Merge pull request #1750 from mozilla/1746-ux-ui-followup

UX/UI Followup Issues
Fixed icon clipping where container icons are displayed. Added override for website favicons (listed in active container)
2020-07-09 11:58:33 -05:00 · 2020-07-09 11:51:24 -05:00 · 2020-07-07 10:19:21 -05:00 · 2020-07-07 10:19:21 -05:00 · 2020-07-07 10:19:21 -05:00 · 2020-07-07 10:19:21 -05:00
99 changed files with 7125 additions and 4530 deletions
@@ -1 +1,2 @@
-testpilot-metrics.js
+lib/testpilot/*.js
+coverage
@@ -1,22 +1,31 @@
 module.exports = {
+  "parserOptions": {
+    "ecmaVersion": 8
+  },
  "env": {
    "browser": true,
    "es6": true,
    "node": true,
    "webextensions": true
  },
-  "extends": [
-    "eslint:recommended"
-  ],
  "globals": {
+    "Utils": true,
    "CustomizableUI": true,
    "CustomizableWidgets": true,
    "SessionStore": true,
-    "Services": true
+    "Services": true,
+    "Components": true,
+    "XPCOMUtils": true,
+    "OS": true,
+    "ADDON_UNINSTALL": true,
+    "ADDON_DISABLE": true
  },
  "plugins": [
    "promise",
-    "no-unescaped"
+    "no-unsanitized"
+  ],
+  "extends": [
+    "eslint:recommended"
  ],
  "root": true,
  "rules": {
@@ -29,8 +38,18 @@ module.exports = {
    "promise/no-promise-in-callback": "warn",
    "promise/no-return-wrap": "error",
    "promise/param-names": "error",
-    "no-unescaped/no-key-assignment": "error",
-    "no-unescaped/enforce": "error",
+
+    "no-unsanitized/method": [
+      "error"
+    ],
+    "no-unsanitized/property": [
+      "error",
+      {
+        "escape": {
+          "taggedTemplates": ["Utils.escaped"]
+        }
+      }
+    ],

    "eqeqeq": "error",
    "indent": ["error", 2],
@@ -0,0 +1,27 @@
+<!--
+  Feel free to ignore this Issue template if you just want to ask or suggest something. If you experience an Issue then please provide all asked information.
+
+  Also please make sure that:
+  - "Firefox will: Never remember history" in the Firefox Preferences/Options under "Privacy & Security > History" is NOT selected
+  - You are NOT using Firefox in a Private Window
+  - You can see a grayed out but ticked Checkbox with the description "Enable Container Tabs" in the Firefox Preferences/Options under "Tabs"
+-->
+- Multi-Account Containers Version:
+- Operating System + Version:
+- Firefox Version:
+- Other installed Add-ons + Version + Enabled/Disabled-Status:
+<!-- To be able to copy & paste the full list of your Add-ons navigate to "about:support" and scroll down to "Extensions" -->
+
+
+### Actual behavior
+
+
+### Expected behavior
+
+
+### Steps to reproduce
+1.
+2.
+3.
+
+### Notes
@@ -1,8 +1,18 @@
 .DS_Store
+package-lock.json
 node_modules
 README.html
 *.xpi
-*.swp
+*.sw*
 .vimrc
 .env
 addon.env
+
+src/web-ext-artifacts/*
+
+# JetBrains IDE files
+.idea
+
+# IstanbulJS
+.nyc_output
+coverage
@@ -3,6 +3,7 @@ docs/
 test/
 .npm/
 node_modules/
+bin/

 .env
 .eslintrc.js
@@ -14,6 +15,8 @@ node_modules/
 .stylelintrc
 .travis.yml
 *.xpi
+*.md
 .vimrc
 .DS_Store
 .gdb_history
+*.sw*
@@ -5,13 +5,18 @@

  "extends": "stylelint-config-standard",

-  "ignoreFiles": ["webextension/css/*.min.css"],
+  "ignoreFiles": ["src/css/*.min.css"],

  "rules": {
    "declaration-block-no-duplicate-properties": true,
-    "order/declaration-block-properties-alphabetical-order": true,
+    "order/properties-alphabetical-order": true,
+    "property-no-unknown": [
+      true, {
+        ignoreProperties:
+          ["inset-block-end", "inset-block-start"]
+    }],
    "property-blacklist": [
-      "/height/",
+      "/(min[-]|max[-])height/",
      "/width/",
      "/top/",
      "/bottom/",
@@ -1,6 +1,6 @@
 language: node_js
 node_js:
-    - "6.1"
+    - "lts/*"

 notifications:
    irc:
@@ -0,0 +1,15 @@
+# Community Participation Guidelines
+
+This repository is governed by Mozilla's code of conduct and etiquette guidelines. 
+For more details, please read the
+[Mozilla Community Participation Guidelines](https://www.mozilla.org/about/governance/policies/participation/). 
+
+## How to Report
+For more information on how to report violations of the Community Participation Guidelines, please read our '[How to Report](https://www.mozilla.org/about/governance/policies/participation/reporting/)' page.
+
+<!--
+## Project Specific Etiquette
+
+In some cases, there will be additional project etiquette i.e.: (https://bugzilla.mozilla.org/page.cgi?id=etiquette.html).
+Please update for your project.
+-->
@@ -0,0 +1,35 @@
+# Contributing
+
+Everyone is welcome to contribute to containers. Reach out to team members if you have questions:
+
+- IRC: #containers on irc.mozilla.org
+- Email: containers@mozilla.com
+
+## Filing bugs
+
+If you find a bug with containers, please file a issue.
+
+Check first if the bug might already exist: https://github.com/mozilla/multi-account-containers/issues
+
+[Open an issue](https://github.com/mozilla/multi-account-containers/issues/new)
+
+1. Visit about:support
+2. Click "Copy raw data to clipboard" and paste into the bug. Alternatively copy the following sections into the issue:
+  - Application Basics
+  - Nightly Features (if you are in nightly)
+  - Extensions
+  - Experimental Features
+3. Include clear steps to reproduce the issue you have experienced.
+4. Include screenshots if possible.
+
+## Sending Pull Requests
+
+Patches should be submitted as pull requests. When submitting patches as PRs:
+
+- You agree to license your code under the project's open source license (MPL 2.0).
+- Base your branch off the current master (see below for an example workflow).
+- Add both your code and new tests if relevant.
+- Run npm test to make sure all tests still pass.
+- Please do not include merge commits in pull requests; include only commits with the new relevant code.
+
+See the main [README](./README.md) for information on prerequisites, installing, running and testing.
@@ -1,80 +1,64 @@
-# Containers: Test Pilot Experiment
+# Multi-Account Containers

-[![Available on Test Pilot](https://img.shields.io/badge/available_on-Test_Pilot-0996F8.svg)](https://testpilot.firefox.com/experiments/containers)
+The Firefox Multi-Account Containers extension lets you carve out a separate box for each of your online lives – no more opening a different browser just to check your work email! [Learn More Here](https://blog.mozilla.org/firefox/introducing-firefox-multi-account-containers/)

-[Embedded Web Extension](https://developer.mozilla.org/en-US/Add-ons/WebExtensions/Embedded_WebExtensions) to experiment with [Containers](https://blog.mozilla.org/tanvi/2016/06/16/contextual-identities-on-the-web/) in [Firefox Test Pilot](https://testpilot.firefox.com/) to learn:
+[Available on addons.mozilla.org](https://addons.mozilla.org/en-GB/firefox/addon/multi-account-containers/)

-* Will a general Firefox audience understand the Containers feature?
-* Is the UI as currently implemented in Nightly clear or discoverable?
+For more info, see: 

-See [the Product Hypothesis Document for more
-details](https://docs.google.com/document/d/1WQdHTVXROk7dYkSFluc6_hS44tqZjIrG9I-uPyzevE8/edit?ts=5824ba12#).
+* [Test Pilot Product Hypothesis Document](https://docs.google.com/document/d/1WQdHTVXROk7dYkSFluc6_hS44tqZjIrG9I-uPyzevE8/edit#)
+* [Shield Product Hypothesis Document](https://docs.google.com/document/d/1vMD-fH_5hGDDqNvpRZk12_RhCN2WAe4_yaBamaNdtik/edit#)


 ## Requirements

 * node 7+ (for jpm)
-* Firefox 51+
-
-
-## Run it
-
-See Development
+* Firefox 57+


 ## Development
-### Development Environment

-Add-on development is better with [a particular  environment](https://developer.mozilla.org/en-US/Add-ons/Setting_up_extension_development_environment). One simple way to get that environment set up is to install the [DevPrefs add-on](https://addons.mozilla.org/en-US/firefox/addon/devprefs/). You can make a custom Firefox profile that includes the DevPrefs add-on, and use that profile when you run the code in this repository. 
-
-
-1. Make a new profile by running `/path/to/firefox -P`, which launches the profile editor. "Create Profile" -- name it whatever you wish (e.g. 'addon_dev') and store it in the default location. It's probably best to deselect the option to "Use without asking," since you probably don't want to use this as your default profile.
-
-2. Once you've created your profile, click "Start Firefox". A new instance of Firefox should launch. Go to Tools->Add-ons and search for "DevPrefs". Install it. Quit Firefox.
-
-3. Now you have a new, vanilla Firefox profile with the DevPrefs add-on installed. You can use your new profile with the code in _this_ repository like so:
-
-**Beta building**
-
-To build this for 51 beta just using the downloaded version of beta will not work as XPI signature checking is disabled fully.
-
-The only way to run the experiment is using an [unbranded version build](https://wiki.mozilla.org/Add-ons/Extension_Signing#Unbranded_Builds) or to build beta yourself:
-
-1. [Download the mozilla-beta repo](https://developer.mozilla.org/en-US/docs/Mozilla/Developer_guide/Source_Code/Mercurial#mozilla-beta_(prerelease_development_tree))
-2. [Create a mozconfig file](https://developer.mozilla.org/en-US/docs/Mozilla/Developer_guide/Build_Instructions/Configuring_Build_Options) - probably optional
-3. `cd <reponame>`
-3. `./mach bootstrap`
-4. `./mach build`
-5. Follow the above instructions by creating the new profile via: `~/<reponame>/obj-x86_64-pc-linux-gnu/dist/bin/firefox -P` (Where "obj-x86_64-pc-linux-gnu" may be different depending on platform obj-...)
-
-
-### Run with jpm
-
-1. `git clone git@github.com:mozilla/testpilot-containers.git`
-2. `cd testpilot-containers`
-3. `npm install`
-4. `./node_modules/.bin/jpm run -p /Path/To/Firefox/Profiles/{junk}.addon_dev -b FirefoxBeta` (where FirefoxBeta might be: ~/<reponame>/obj-x86_64-pc-linux-gnu/dist/bin/firefox or ~/<downloadedFirefoxBeta>/firefox)
-
-Check out the [Browser Toolbox](https://developer.mozilla.org/en-US/docs/Tools/Browser_Toolbox) for more information about debugging add-on code.
-
-
-### Building .xpi
-
-To build a local .xpi, use the plain [`jpm
-xpi`](https://developer.mozilla.org/en-US/Add-ons/SDK/Tools/jpm#jpm_xpi) command.
-
-### Signing an .xpi
-
-To sign an .xpi, use [`jpm
-sign`](https://developer.mozilla.org/en-US/Add-ons/SDK/Tools/jpm#jpm_sign)
-command.
-
-Note: You will need to be [an author on the AMO
-add-on](https://addons.mozilla.org/en-US/developers/addon/containers-experiment/ownership).
+1. `npm install`
+2. `./node_modules/web-ext/bin/web-ext run -s src/`

 ### Testing
-TBD
+`npm run test`

+or 
+
+`npm run lint` 
+
+for just the linter
+
+There is a timeout test that sometimes fails on certain machines, so make sure to run the tests on your clone before you make any changes to see if you have this problem.

 ### Distributing
-TBD
+#### Make the new version
+
+1. Bump the version number in `package.json` and `manifest.json`
+2. Commit the version number bump
+3. Create a git tag for the version: `git tag <version>`
+4. Push the tag up to GitHub: `git push --tags`
+
+#### Publish to AMO
+
+1. `npm run-script build`
+2. [Upload the `.zip` to AMO](https://addons.mozilla.org/en-US/developers/addon/multi-account-containers/versions/submit/)
+
+#### Publish to GitHub
+Finally, we also publish the release to GitHub for those followers.
+
+1. Download the signed `.xpi` from [the addon versions page](https://addons.mozilla.org/en-US/developers/addon/multi-account-containers/versions)
+2. [Make the new release on
+   GitHub](https://github.com/mozilla/multi-account-containers/releases/new)
+   * Use the version number for "Tag version" and "Release title"
+   * Release notes: copy the output of `git log --no-merges --pretty=format:"%h %s" <previous-version>..<new-version>`
+   * Attach binaries: select the signed `.xpi` file
+
+### Links
+
+Facebook & Twitter icons CC-Attrib https://fairheadcreative.com.
+
+- [License](./LICENSE.txt)
+- [Contributing](./CONTRIBUTING.md)
+- [Code Of Conduct](./CODE_OF_CONDUCT.md)
@@ -1,108 +1,3 @@
-/* HACK: Custom Container vars do not propigate correctly
-until the container tab is blurred and refocused,
-adding the data-identity-color with the default hex
-value, or chrome url path as an alternate selector mitiages this bug.*/
-[data-identity-color="blue"],
-[data-identity-color="#00a7e0"] {
-  --identity-tab-color: #37adff;
-  --identity-icon-color: #37adff;
-}
-
-[data-identity-color="turquoise"],
-[data-identity-color="#01bdad"] {
-  --identity-tab-color: #00c79a;
-  --identity-icon-color: #00c79a;
-}
-
-[data-identity-color="green"],
-[data-identity-color="#7dc14c"] {
-  --identity-tab-color: #51cd00;
-  --identity-icon-color:  #51cd00;
-}
-
-[data-identity-color="yellow"],
-[data-identity-color="#ffcb00"] {
-  --identity-tab-color: #ffcb00;
-  --identity-icon-color: #ffcb00;
-}
-
-[data-identity-color="orange"],
-[data-identity-color="#f89c24"] {
-  --identity-tab-color: #ff9f00;
-  --identity-icon-color: #ff9f00;
-}
-
-[data-identity-color="red"],
-[data-identity-color="#d92215"] {
-  --identity-tab-color: #ff613d;
-  --identity-icon-color: #ff613d;
-}
-
-[data-identity-color="pink"],
-[data-identity-color="#ee5195"] {
-  --identity-tab-color: #ff4bda;
-  --identity-icon-color: #ff4bda;
-}
-
-[data-identity-color="purple"],
-[data-identity-color="#7a2f7a"] {
-  --identity-tab-color: #af51f5;
-  --identity-icon-color: #af51f5;
-}
-
-[data-identity-icon="fingerprint"],
-[data-identity-icon="chrome://browser/skin/usercontext/personal.svg"] {
-  --identity-icon: url("resource://testpilot-containers/data/usercontext.svg#fingerprint");
-}
-
-[data-identity-icon="briefcase"],
-[data-identity-icon="chrome://browser/skin/usercontext/work.svg"] {
-  --identity-icon: url("resource://testpilot-containers/data/usercontext.svg#briefcase");
-}
-
-[data-identity-icon="dollar"],
-[data-identity-icon="chrome://browser/skin/usercontext/banking.svg"] {
-  --identity-icon: url("resource://testpilot-containers/data/usercontext.svg#dollar");
-}
-
-[data-identity-icon="cart"],
-[data-identity-icon="chrome://browser/skin/usercontext/cart.svg"],
-[data-identity-icon="chrome://browser/skin/usercontext/shopping.svg"] {
-  --identity-icon: url("resource://testpilot-containers/data/usercontext.svg#cart");
-}
-
-[data-identity-icon="circle"] {
-  --identity-icon: url("resource://testpilot-containers/data/usercontext.svg#circle");
-}
-
-[data-identity-icon="gift"] {
-  --identity-icon: url("resource://testpilot-containers/data/usercontext.svg#gift");
-}
-
-[data-identity-icon="vacation"] {
-  --identity-icon: url("resource://testpilot-containers/data/usercontext.svg#vacation");
-}
-
-[data-identity-icon="food"] {
-  --identity-icon: url("resource://testpilot-containers/data/usercontext.svg#food");
-}
-
-[data-identity-icon="fruit"] {
-  --identity-icon: url("resource://testpilot-containers/data/usercontext.svg#fruit");
-}
-
-[data-identity-icon="pet"] {
-  --identity-icon: url("resource://testpilot-containers/data/usercontext.svg#pet");
-}
-
-[data-identity-icon="tree"] {
-  --identity-icon: url("resource://testpilot-containers/data/usercontext.svg#tree");
-}
-
-[data-identity-icon="chill"] {
-  --identity-icon: url("resource://testpilot-containers/data/usercontext.svg#chill");
-}
-
 #userContext-indicator {
  height: 16px;
  list-style-image: none !important;
@@ -129,19 +24,6 @@ value, or chrome url path as an alternate selector mitiages this bug.*/
  display: none;
 }

-.userContext-icon,
-.menuitem-iconic[data-usercontextid] > .menu-iconic-left > .menu-iconic-icon,
-.subviewbutton[usercontextid] > .toolbarbutton-icon,
-#userContext-indicator {
-  background-image: var(--identity-icon) !important;
-  background-position: center center;
-  background-repeat: no-repeat;
-  background-size: contain;
-  fill: var(--identity-icon-color) !important;
-  filter: url(/img/filters.svg#fill);
-  filter: url(resource://testpilot-containers/data/filters.svg#fill);
-}
-
 /* containers experiment */

 /* reset nightly containers */
@@ -200,7 +82,7 @@ special cases are addressed below */
 }

 #new-tab-overlay {
-  --icon-size: 26px;
+  --icon-size: 16px;
  -moz-appearance: none;
  background: transparent;
  font-style: -moz-use-system-font;
@@ -252,8 +134,8 @@ special cases are addressed below */
 }

 #new-tab-overlay .menuitem-iconic[data-usercontextid] > .menu-iconic-left > .menu-iconic-icon {
-  block-height: var(--icon-size);
-  block-width: var(--icon-size);
+  block-size: var(--icon-size);
+  inline-size: var(--icon-size);
 }

 .menuitem-iconic[data-usercontextid] > .menu-iconic-left {
@@ -1,266 +0,0 @@
-# METRICS
-
-## Data Analysis
-The collected data will primarily be used to answer the following questions.
-Images are used for visualization and are not composed of actual data.
-
-### Do users install and run this?
-
-What is the overall engagement of the Containers experiment?
-**This is the standard Daily Active User (DAU) and Monthly Active User (MAU) analysis.**
-
-This captures data from the users who have the add-on installed, regardless of
-whether they are actively interacting with it.
-
-![](kpi-1.png)
-
-### Immediate Questions
-
-* Do people use the containers feature & how do people create new container tabs?
-  * Click to create new container tab
-    * \+ `entry-point` value: "tab-bar" or "pop-up"
-* Do people who use the containers feature continue to use it?
-  * Retention: opening a second container tab (second tab in the same container, or a tab in a second container?)
-* What containers do people use?
-  * userContextId
-    * \+ Number of tabs in the container (when should we measure this? on every tab open?)
-* Do people edit their containers?
-  * Click on "Edit Containers"
-  * Click to edit a single container
-    * Click "OK"
-  * Click to delete a single container
-    * Click "OK"
-  * Click to add a container
-    * Click "OK"
-* Do people sort the tabs?
-  * Click sort
-    * \+ Number of tabs when clicked
-  * Average number of container tabs when sort was clicked
-* Do users show and hide container tabs?
-  * Click hide
-    * \+ Number of tabs when clicked
-    * \+ Number of hidden containers when clicked
-  * Click show
-    * \+ Number of tabs when clicked
-    * \+ Number of shown containers when clicked
-* Do users move container tabs to new windows?
-  * Click move
-    * \+ Number of tabs when clicked
-  * Average number of container tabs when new window was clicked
-* How many containers do users have hidden at the same time? (when should we measure this? each time a container is hidden?)
-* Do users pin container tabs? (do we have existing Telemetry for pinning?)
-* Do users visit more pages in container tabs than non-container tabs?
-
-### Follow-up Questions
-
-What are some follow-up questions we anticipate we will ask based on any of the
-above answers/data?
-
-* What is the average lifespan of a container tab? Is that longer or shorter than a regular tab? (if we don't have data on the latter, the former probably isn't worth gathering data on since we will have nothing to compare it to).
-
-## Data Collection
-
-### Server Side
-There is currently no server side component to Containers.
-
-### Client Side
-Containers will use Test Pilot Telemetry with no batching of data.  Details
-of when pings are sent are below, along with examples of the `payload` portion
-of a `testpilottest` telemetry ping for each scenario.
-
-* The user clicks on a container name to open a tab in that container
-
-```js
-  {
-    "uuid": <uuid>,
-    "userContextId": <userContextId>,
-    "clickedContainerTabCount": <number-of-tabs-in-the-container>,
-    "event": "open-tab",
-    "eventSource": ["tab-bar"|"pop-up"|"file-menu"]
-  }
-```
-
-* The user clicks "Edit Containers" in the pop-up
-
-```js
-  {
-    "uuid": <uuid>,
-    "event": "edit-containers"
-  }
-```
-
-* The user clicks OK after clicking on a container edit icon in the pop-up
-
-```js
-  {
-    "uuid": <uuid>,
-    "userContextId": <userContextId>,
-    "event": "edit-container"
-  }
-```
-
-* The user clicks OK after clicking on a container delete icon in the pop-up
-
-```js
-  {
-    "uuid": <uuid>,
-    "userContextId": <userContextId>,
-    "event": "delete-container"
-  }
-```
-
-* The user clicks OK after clicking to add a container in the pop-up
-
-```js
-  {
-    "uuid": <uuid>,
-    "event": "add-container"
-  }
-```
-
-* The user clicks the sort button/icon in the pop-up
-
-```js
-  {
-    "uuid": <uuid>,
-    "event": "sort-tabs",
-    "shownContainersCount": <number-of-containers-with-tabs-shown>,
-    "totalContainerTabsCount": <number-of-all-container-tabs>,
-    "totalNonContainerTabsCount": <number-of-all-non-container-tabs>
-  }
-```
-
-* The user clicks "Hide these container tabs" in the popup
-
-```js
-  {
-    "uuid": <uuid>,
-    "userContextId": <userContextId>,
-    "clickedContainerTabCount": <number-of-tabs-in-the-container>,
-    "event": "hide-tabs",
-    "hiddenContainersCount": <number-of-containers-with-tabs-hidden>,
-    "shownContainersCount": <number-of-containers-with-tabs-shown>,
-    "totalContainersCount": <number-of-containers-with-tabs-hidden-or-shown>
-  }
-```
-
-* The user clicks "Show these container tabs" in the popup
-
-```js
-  {
-    "uuid": <uuid>,
-    "userContextId": <userContextId>,
-    "clickedContainerTabCount": <number-of-tabs-in-the-container>,
-    "event": "show-tabs",
-    "hiddenContainersCount": <number-of-containers-with-tabs-hidden>,
-    "shownContainersCount": <number-of-containers-with-tabs-shown>,
-    "totalContainersCount": <number-of-containers-with-tabs-hidden-or-shown>
-  }
-```
-
-* The user clicks "Move tabs to a new window" in the popup
-
-```js
-  {
-    "uuid": <uuid>,
-    "userContextId": <userContextId>,
-    "clickedContainerTabCount": <number-of-tabs-in-the-container>,
-    "event": "move-tabs-to-window"
-  }
-```
-
-* When a user encounters the disabled "move" feature because of incompatible add-ons
-
-```js
-  {
-    "uuid": <uuid>,
-    "event": "incompatible-addons-detected"
-  }
-```
-
-* The user closes a tab
-
-```js
-  {
-    "uuid": <uuid>,
-    "userContextId": <userContextId>,
-    "event": "page-requests-completed-per-tab",
-    "pageRequestCount": <pageRequestCount>
-  }
-```
-
-* The user goes idle
-
-```js
-  {
-    "uuid": <uuid>,
-    "userContextId": <userContextId>,
-    "event": "page-requests-completed-per-activity",
-    "pageRequestCount": <pageRequestCount>
-  }
-```
-
-* The user chooses "Always Open in this Container" context menu option. (Note: We send two separate event names: one for assigning a site to a container, one for removing a site from a container.)
-
-```js
-  {
-    "uuid": <uuid>,
-    "userContextId": <userContextId>,
-    "event": "[added|removed]-container-assignment"
-  }
-```
-
-* Firefox prompts the user to reload a site into a container after the user picked "Always Open in this Container".
-
-```js
-  {
-    "uuid": <uuid>,
-    "userContextId": <userContextId>,
-    "event": "prompt-reload-page-in-container"
-  }
-```
-
-* The user clicks "Take me there" to reload a site into a container after the user picked "Always Open in this Container".
-
-```js
-  {
-    "uuid": <uuid>,
-    "event": "click-to-reload-page-in-container"
-  }
-```
-
-* Firefox automatically reloads a site into a container after the user picked "Always Open in this Container".
-
-```js
-  {
-    "uuid": <uuid>,
-    "userContextId": <userContextId>,
-    "event": "auto-reload-page-in-container"
-  }
-```
-
-### A Redshift schema for the payload:
-
-```lua
-local schema = {
--   column name                    field type   length  attributes   field name
-    {"uuid",                        "VARCHAR",   255,    nil,         "Fields[payload.uuid]"},
-    {"userContextId",               "INTEGER",   255,    nil,         "Fields[payload.userContextId]"},
-    {"clickedContainerTabCount",    "INTEGER",   255,    nil,         "Fields[payload.clickedContainerTabCount]"},
-    {"eventSource",                 "VARCHAR",   255,    nil,         "Fields[payload.eventSource]"},
-    {"event",                       "VARCHAR",   255,    nil,         "Fields[payload.event]"},
-    {"pageRequestCount",            "INTEGER",   255,    nil,         "Fields[payload.pageRequestCount]"}
-    {"hiddenContainersCount",       "INTEGER",   255,    nil,         "Fields[payload.hiddenContainersCount]"},
-    {"shownContainersCount",        "INTEGER",   255,    nil,         "Fields[payload.shownContainersCount]"},
-    {"totalContainersCount",        "INTEGER",   255,    nil,         "Fields[payload.totalContainersCount]"},
-    {"totalContainerTabsCount",     "INTEGER",   255,    nil,         "Fields[payload.totalContainerTabsCount]"},
-    {"totalNonContainerTabsCount",  "INTEGER",   255,    nil,         "Fields[payload.totalNonContainerTabsCount]"}
-}
-```
-
-### Valid data should be enforced on the server side:
-
-* `eventSource` should be one of `tab-bar`, `pop-up`, or `file-menu`.
-
-All Mozilla data is kept by default for 180 days and in accordance with our
-privacy policies.
@@ -1,54 +1,52 @@
 {
  "name": "testpilot-containers",
-  "title": "Containers Experiment",
-  "description": "Containers works by isolating cookie jars using separate origin-attributes defined visually by colored ‘Container Tabs’. This add-on is a modified version of the containers feature for Firefox Test Pilot.",
-  "version": "2.2.0",
+  "title": "Multi-Account Containers",
+  "description": "Containers helps you keep all the parts of your online life contained in different tabs. Custom labels and color-coded tabs help keep different activities — like online shopping, travel planning, or checking work email — separate.",
+  "version": "7.0.0",
  "author": "Andrea Marchesini, Luke Crouch and Jonathan Kingston",
  "bugs": {
-    "url": "https://github.com/mozilla/testpilot-containers/issues"
+    "url": "https://github.com/mozilla/multi-account-containers/issues"
  },
  "dependencies": {},
  "devDependencies": {
-    "addons-linter": "^0.15.14",
-    "deploy-txp": "^1.0.7",
-    "eslint": "^3.17.1",
-    "eslint-plugin-no-unescaped": "^1.1.0",
+    "addons-linter": "^1.3.2",
+    "ajv": "^6.6.3",
+    "chai": "^4.2.0",
+    "eslint": "^6.6.0",
+    "eslint-plugin-no-unsanitized": "^2.0.0",
    "eslint-plugin-promise": "^3.4.0",
-    "htmllint-cli": "^0.0.5",
-    "jpm": "^1.2.2",
+    "htmllint-cli": "0.0.7",
+    "json": "^9.0.6",
+    "mocha": "^6.2.2",
    "npm-run-all": "^4.0.0",
-    "stylelint": "^7.9.0",
-    "stylelint-config-standard": "^16.0.0",
-    "stylelint-order": "^0.3.0",
-    "testpilot-metrics": "^2.1.0"
+    "nyc": "^15.0.0",
+    "sinon": "^7.5.0",
+    "sinon-chai": "^3.3.0",
+    "stylelint-order": "^4.0.0",
+    "stylelint": "^13.5.0",
+    "stylelint-config-standard": "^20.0.0",
+    "web-ext": "^2.9.3",
+    "webextensions-jsdom": "^1.2.1"
  },
-  "engines": {
-    "firefox": ">=51.0"
-  },
-  "permissions": {
-    "multiprocess": true
-  },
-  "hasEmbeddedWebExtension": true,
-  "homepage": "https://github.com/mozilla/testpilot-containers#readme",
-  "keywords": [
-    "jetpack"
-  ],
+  "homepage": "https://github.com/mozilla/multi-account-containers#readme",
  "license": "MPL-2.0",
  "main": "index.js",
  "repository": {
    "type": "git",
-    "url": "git+https://github.com/mozilla/testpilot-containers.git"
+    "url": "git+https://github.com/mozilla/multi-account-containers.git"
  },
  "scripts": {
-    "build": "npm test && jpm xpi",
-    "deploy": "deploy-txp",
+    "build": "npm test && cd src && web-ext build --overwrite-dest",
+    "webext": "web-ext run -s src/",
    "lint": "npm-run-all lint:*",
-    "lint:addon": "addons-linter webextension --self-hosted",
-    "lint:css": "stylelint webextension/css/*.css",
-    "lint:html": "htmllint webextension/*.html",
+    "lint:addon": "addons-linter src --self-hosted",
+    "lint:css": "stylelint src/css/*.css",
+    "lint:html": "htmllint *.html",
    "lint:js": "eslint .",
-    "package": "npm run build && mv testpilot-containers.xpi addon.xpi",
-    "test": "npm run lint"
-  },
-  "updateURL": "https://testpilot.firefox.com/files/@testpilot-containers/updates.json"
+    "package": "rm -rf src/web-ext-artifacts && npm run build && mv src/web-ext-artifacts/firefox_multi-account_containers-*.zip addon.xpi",
+    "test": "npm run lint && npm run coverage",
+    "test:once": "mocha test/**/*.test.js",
+    "test:watch": "npm run test:once -- --watch",
+    "coverage": "nyc --reporter=html --reporter=text mocha test/**/*.test.js --timeout 60000"
+  }
 }
@@ -0,0 +1,36 @@
+<html>
+<head>
+  <meta http-equiv="content-type" content="text/html; charset=utf-8">
+  <title>Multi-Account Containers Confirm Navigation</title>
+  <link xmlns="http://www.w3.org/1999/xhtml" rel="stylesheet" href="chrome://browser/skin/aboutNetError.css" type="text/css" media="all" />
+  <link rel="stylesheet" href="/css/confirm-page.css" />
+</head>
+<body>
+  <main>
+    <div class="title">
+      <h1 class="title-text">Open this site in your assigned container?</h1>
+    </div>
+    <form id="redirect-form">
+      <p>
+        You asked <dfn id="browser-name" title="Thanks for trying out Containers. Sorry we may have got your browser name wrong. #FxNightly" >Firefox</dfn> to always open <dfn class="container-name"></dfn> for this site:<br />
+      </p>
+      <div id="redirect-url"></div>
+      <p>Would you still like to open in this current container?</p>
+      <br />
+      <br />
+      <label for="never-ask" class="check-label">
+        <input id="never-ask" type="checkbox" />
+        Remember my decision for this site
+      </label>
+      <br />
+      <div class="button-container">
+        <button id="deny" class="button">Open in <dfn id="current-container-name">Current</dfn> Container</button>
+        <button id="confirm" class="button primary" autofocus>Open in <dfn class="container-name"></dfn> Container</button>
+      </div>
+    </form>
+  </main>
+
+  <script src="js/utils.js"></script>
+  <script src="js/confirm-page.js"></script>
+</body>
+</html>
@@ -0,0 +1,87 @@
+/* General Rules and Resets */
+.title {
+  background-image: none;
+}
+
+main {
+  background: url(/img/onboarding-4.png) no-repeat;
+  background-position: -10px -15px;
+  background-size: 300px;
+  margin-inline-start: -350px;
+  padding-inline-start: 350px;
+}
+
+.container-name {
+  font-weight: bold;
+}
+
+button .container-name,
+#current-container-name {
+  font-weight: bold;
+  text-transform: capitalize;
+}
+
+@media only screen and (max-width: 1300px) {
+  main {
+    background: none;
+  }
+
+  /* for a mid sized window we have enough for this but not our image */
+  .title {
+    background-image: url("chrome://global/skin/icons/info.svg");
+  }
+}
+
+html {
+  box-sizing: border-box;
+  font: message-box;
+}
+
+#redirect-url,
+#redirect-origin {
+  font-weight: bold;
+
+  /* max-inline-size is needed to force this text smaller than the layout at a mid-sized window */
+  max-inline-size: 40rem;
+  word-break: break-all;
+}
+
+#redirect-url {
+  background: #efedf0; /* Grey 20 */
+  border-radius: 2px;
+  line-height: 1.5;
+  padding-block-end: 0.5rem;
+  padding-block-start: 0.5rem;
+  padding-inline-end: 0.5rem;
+  padding-inline-start: 0.5rem;
+}
+
+/* stylelint-disable media-feature-name-no-unknown */
+@media (prefers-color-scheme: dark) {
+  #redirect-url {
+    background: #38383d; /* Grey 70 */
+    color: #eee; /* White 20 */
+  }
+}
+/* stylelint-enable */
+
+#redirect-url img {
+  block-size: 16px;
+  inline-size: 16px;
+  margin-inline-end: 6px;
+  offset-block-start: 3px;
+  position: relative;
+}
+
+dfn {
+  font-style: normal;
+}
+
+.button-container > button {
+  min-inline-size: 240px;
+}
+
+.check-label {
+  align-items: center;
+  display: flex;
+}
@@ -0,0 +1,27 @@
+.container-notification {
+  align-items: center;
+  background: #efefef;
+  color: #003f07;
+  display: flex;
+  font: 12px sans-serif;
+  inline-size: 100vw;
+  justify-content: start;
+  offset-block-start: 0;
+  offset-inline-start: 0;
+  padding-block-end: 8px;
+  padding-block-start: 8px;
+  padding-inline-end: 8px;
+  padding-inline-start: 8px;
+  position: fixed;
+  text-align: start;
+  transform: translateY(-100%);
+  transition: transform 0.3s cubic-bezier(0.07, 0.95, 0, 1) 0.3s;
+  z-index: 999999999999;
+}
+
+.container-notification img {
+  block-size: 16px;
+  display: inline-block;
+  inline-size: 16px;
+  margin-inline-end: 3px;
+}
@@ -0,0 +1,29 @@
+body {
+  background: #fff;
+  color: #202023;
+}
+
+h3 {
+  margin-block-start: 2.5rem;
+}
+
+h3:first-of-type {
+  margin-block-start: 1rem;
+}
+
+p,
+label {
+  color: rgb(74, 74, 79);
+}
+
+@media (prefers-color-scheme: dark) {
+  body {
+    background: #202023;
+    color: #fff;
+  }
+
+  p,
+  label {
+    color: rgb(177, 177, 179);
+  }
+}
@@ -0,0 +1,928 @@
+/* General Rules and Resets */
+* {
+  font-size: inherit;
+  margin-block-end: 0;
+  margin-block-start: 0;
+  margin-inline-end: 0;
+  margin-inline-start: 0;
+  padding-block-end: 0;
+  padding-block-start: 0;
+  padding-inline-end: 0;
+  padding-inline-start: 0;
+}
+
+html {
+  background-color: #fefefe;
+  box-sizing: border-box;
+  font-size: 12px;
+}
+
+body {
+  color: #000;
+  font-family: Roboto, Noto, "San Francisco", Ubuntu, "Segoe UI", "Fira Sans", message-box, Arial, sans-serif;
+  font-size: 13px;
+  inline-size: calc(var(--overflow-size) + 299px);
+
+  /* inline-size: 320px; */
+  letter-spacing: -0.1px;
+  max-inline-size: calc(var(--overflow-size) + 299px);
+
+  --highlight-blue: #1296f8;
+  --hr-grey: #e3e3e3;
+  --text-grey: #737373;
+}
+
+html,
+body {
+  block-size: 100%; /* Bugfix: issue 948 */
+}
+
+:root {
+  --primary-action-color: #248aeb;
+  --title-text-color: #000;
+  --text-normal-color: #4a4a4a;
+  --text-heading-color: #000;
+
+  /* calculated from 12px */
+  --font-size-heading: 1.33rem; /* 16px */
+  --block-line-space-size: 0.5rem; /* 6px */
+  --inline-item-space-size: 0.5rem; /* 6px */
+  --block-line-separation-size: 0.33rem; /* 10px */
+  --inline-icon-space-size: 0.833rem; /* 10px */
+
+  /* Use for url and icon size */
+  --block-url-label-size: 2rem; /* 24px */
+  --inline-start-size: 1.66rem; /* 20px */
+  --inline-button-size: 5.833rem; /* 70px */
+  --icon-size: 1.166rem; /* 14px */
+  --small-text-size: 0.833rem; /* 10px */
+  --small-radius: 3px;
+  --icon-button-size: calc(calc(var(--block-line-separation-size) * 2) + 1.66rem); /* 20px */
+  --column-panel-inline-size: calc(var(--overflow-size) + 267px);
+  --inactive-opacity: 0.3;
+  --overflow-size: 1px;
+  --icon-fit: 8;
+}
+
+@media (min-resolution: 1dppx) {
+  html {
+    font-size: 14px;
+  }
+}
+
+*,
+*::before,
+*::after {
+  box-sizing: inherit;
+}
+
+form {
+  margin-block-end: 0;
+  margin-block-start: 0;
+  margin-inline-end: 0;
+  margin-inline-start: 0;
+}
+
+table {
+  border: 0;
+  border-spacing: 0;
+  inline-size: 100%;
+  margin-block-end: 0;
+  margin-block-start: 0;
+  margin-inline-end: 0;
+  margin-inline-start: 0;
+}
+
+/* Helper Classes */
+.hide {
+  display: none !important;
+}
+
+.scrollable {
+  flex: 1;
+  inline-size: 100%;
+  max-block-size: 400px;
+  overflow: auto;
+}
+
+.offpage {
+  opacity: 0;
+}
+
+[hidden] {
+  display: none !important;
+}
+
+/* Effect borrowed from tabs in Firefox, ensure that the element flexes to the full width */
+.truncate-text {
+  inline-size: 100%;
+  overflow: hidden;
+  position: relative;
+  white-space: nowrap;
+}
+
+.truncate-text::after {
+  background: white;
+  content: " ";
+  height: 100%;
+  inline-size: 50px;
+  inset-inline-end: 0;
+  mask-image: linear-gradient(to right, transparent, white 70%);
+  position: absolute;
+}
+
+.hover-highlight:hover .truncate-text::after,
+.hover-highlight:focus .truncate-text::after {
+  background: var(--highlight-blue);
+  mask-image: linear-gradient(to right, transparent, var(--highlight-blue) 50%);
+}
+
+/* Color and icon helpers */
+[data-identity-color="blue"] {
+  --identity-tab-color: #37adff;
+  --identity-icon-color: #37adff;
+}
+
+[data-identity-color="turquoise"] {
+  --identity-tab-color: #00c79a;
+  --identity-icon-color: #00c79a;
+}
+
+[data-identity-color="green"] {
+  --identity-tab-color: #51cd00;
+  --identity-icon-color: #51cd00;
+}
+
+[data-identity-color="grey"] {
+  /* Only used for the edit panel */
+  --identity-icon-color: #616161;
+}
+
+[data-identity-color="yellow"] {
+  --identity-tab-color: #ffcb00;
+  --identity-icon-color: #ffcb00;
+}
+
+[data-identity-color="orange"] {
+  --identity-tab-color: #ff9f00;
+  --identity-icon-color: #ff9f00;
+}
+
+[data-identity-color="red"] {
+  --identity-tab-color: #ff613d;
+  --identity-icon-color: #ff613d;
+}
+
+[data-identity-color="pink"] {
+  --identity-tab-color: #ff4bda;
+  --identity-icon-color: #ff4bda;
+}
+
+[data-identity-color="purple"] {
+  --identity-tab-color: #af51f5;
+  --identity-icon-color: #af51f5;
+}
+
+[data-identity-icon="fingerprint"] {
+  --identity-icon: url("/img/usercontext.svg#fingerprint");
+}
+
+[data-identity-icon="briefcase"] {
+  --identity-icon: url("/img/usercontext.svg#briefcase");
+}
+
+[data-identity-icon="dollar"] {
+  --identity-icon: url("/img/usercontext.svg#dollar");
+}
+
+[data-identity-icon="cart"] {
+  --identity-icon: url("/img/usercontext.svg#cart");
+}
+
+[data-identity-icon="circle"] {
+  --identity-icon: url("/img/usercontext.svg#circle");
+}
+
+[data-identity-icon="food"] {
+  --identity-icon: url("/img/usercontext.svg#food");
+}
+
+[data-identity-icon="gift"] {
+  --identity-icon: url("/img/usercontext.svg#gift");
+}
+
+[data-identity-icon="vacation"] {
+  --identity-icon: url("/img/usercontext.svg#vacation");
+}
+
+[data-identity-icon="fruit"] {
+  --identity-icon: url("/img/usercontext.svg#fruit");
+}
+
+[data-identity-icon="pet"] {
+  --identity-icon: url("/img/usercontext.svg#pet");
+}
+
+[data-identity-icon="tree"] {
+  --identity-icon: url("/img/usercontext.svg#tree");
+}
+
+[data-identity-icon="chill"] {
+  --identity-icon: url("/img/usercontext.svg#chill");
+}
+
+[data-identity-icon="fence"] {
+  --identity-icon: url("/img/usercontext.svg#fence");
+}
+
+#current-tab [data-identity-icon="default-tab"] {
+  background: center center no-repeat url("/img/blank-tab.svg");
+  fill: currentColor;
+}
+
+/* Buttons */
+.button {
+  color: black;
+}
+
+.button.primary {
+  background-color: #0996f8;
+  color: white;
+}
+
+.button.primary:hover,
+.button.primary:focus {
+  background-color: #0675d3;
+}
+
+.button.secondary:hover,
+.button.secondary:focus {
+  background-color: rgba(0, 0, 0, 0.05);
+}
+
+/* Panels keep everything together */
+.panel {
+  display: flex;
+  flex-direction: column;
+  justify-content: space-between;
+  min-block-size: 400px;
+}
+
+.panel.onboarding,
+.achievement-panel {
+  align-items: center;
+  block-size: 360px;
+  margin-block-end: 16px;
+  margin-block-start: 16px;
+  margin-inline-end: 16px;
+  margin-inline-start: 16px;
+  min-block-size: 360px;
+}
+
+.panel-content {
+  flex: 1;
+  padding-block-start: 16px;
+}
+
+.panel-footer .button {
+  align-items: center;
+  block-size: 100%;
+  display: flex;
+  flex: 1;
+  justify-content: center;
+}
+
+/* Onboarding styles */
+.onboarding * {
+  text-align: center;
+}
+
+.onboarding-img {
+  block-size: 132px;
+  inline-size: 180px;
+}
+
+.onboarding-title {
+  color: #43484e;
+  font-size: var(--font-size-heading);
+  margin-block-end: 0;
+  margin-block-start: 0;
+  margin-inline-end: 0;
+  margin-inline-start: 0;
+  max-inline-size: 80%;
+}
+
+.onboarding p {
+  color: var(--text-normal-color);
+  font-size: 14px;
+  margin-block-end: 16px;
+  max-inline-size: 84%;
+}
+
+.onboarding-button {
+  align-items: center;
+  background-color: #0996f8;
+  border-radius: 3px;
+  color: white;
+  display: flex;
+  flex: 0 0 44px;
+  font-size: 14px;
+  inline-size: 100%;
+  justify-content: center;
+  text-decoration: none;
+  transition: background-color 75ms;
+}
+
+.half-button-wrapper {
+  align-items: center;
+  display: flex;
+  flex-direction: row;
+  height: 44px;
+  inline-size: 100%;
+}
+
+.half-onboarding-button {
+  align-items: center;
+  background-color: #0996f8;
+  border-radius: 3px;
+  color: white;
+  display: flex;
+  flex: 1 0 auto;
+  font-size: 14px;
+  height: 44px;
+  inline-size: 50%;
+  justify-content: center;
+  margin-inline-end: 4px;
+  text-decoration: none;
+  transition: background-color 75ms;
+}
+
+.grey-button {
+  background-color: #e3e3e3;
+  color: #000;
+}
+
+.onboarding-button:hover,
+.onboarding-button:active {
+  background-color: #0675d3;
+}
+
+.onboarding-button:focus,
+.half-onboarding-button:focus {
+  box-shadow: 0 0 0 1px #0a84ff inset, 0 0 0 1px #0a84ff, 0 0 0 4px rgba(10, 132, 255, 0.3);
+}
+
+/* Pop buttons are the square shaped buttons used to
+manage things like container crud */
+.pop-button {
+  align-items: center;
+  block-size: var(--icon-button-size);
+  cursor: pointer;
+  display: flex;
+  flex: 0 0 var(--icon-button-size);
+  justify-content: center;
+}
+
+.panel-footer a {
+  text-decoration: none;
+}
+
+.userContext-wrapper {
+  align-items: center;
+  display: flex;
+  flex: 1 1;
+  transition: background-color 75ms;
+}
+
+.edit-containers-panel .userContext-wrapper {
+  max-inline-size: calc(var(--overflow-size) + 203px);
+}
+
+.disable-edit-containers {
+  opacity: var(--inactive-opacity);
+  pointer-events: none;
+}
+
+.userContext-icon-wrapper {
+  block-size: var(--icon-button-size);
+  flex: 0 0 var(--icon-button-size);
+  margin-inline-start: var(--inline-icon-space-size);
+}
+
+/* .userContext-icon is used natively, Bug 1333811 was raised to fix */
+.usercontext-icon {
+  background-image: var(--identity-icon);
+  background-position: center center;
+  background-repeat: no-repeat;
+  background-size: 16px;
+  block-size: 100%;
+  fill: var(--identity-icon-color);
+  filter: url('/img/filters.svg#fill');
+}
+
+.mac-icon {
+  background-image: url('/img/multiaccountcontainer-16.svg');
+  background-position: center center;
+  background-repeat: no-repeat;
+  background-size: 16px;
+  block-size: 100%;
+}
+
+.container-panel-row:hover .clickable .usercontext-icon,
+.container-panel-row:focus .clickable .usercontext-icon,
+.container-panel-row .clickable:focus .usercontext-icon {
+  background-image: url('/img/container-newtab.svg');
+  fill: #979797;
+  filter: url('/img/filters.svg#fill');
+}
+
+.container-panel-row .clickable:hover .usercontext-icon,
+.container-panel-row .clickable:focus .usercontext-icon {
+  fill: #0094fb;
+}
+
+/* Panel Footer */
+.panel-footer {
+  align-items: center;
+  background: #efefef;
+  block-size: var(--icon-button-size);
+  border-block-end: 1px solid #d8d8d8;
+  color: #000;
+  display: flex;
+  font-size: 13px;
+  inline-size: 100%;
+  justify-content: space-between;
+}
+
+.container-info-has-tabs,
+.container-info-tab-row {
+  align-items: center;
+  display: flex;
+  flex: 0 0 28px;
+  font-size: 14px;
+  justify-content: flex-start;
+  margin-block-end: 0;
+  margin-block-start: 0;
+  margin-inline-end: 0;
+  margin-inline-start: 0;
+  padding-inline-end: 16px;
+  padding-inline-start: 16px;
+}
+
+.container-info-has-tabs img,
+.container-info-tab-row img {
+  block-size: 16px;
+  flex: 0 0 16px;
+  margin-inline-end: 4px;
+}
+
+.container-info-tab-row img[src=""] {
+  margin-inline-end: 0;
+}
+
+.delete-container-confirm {
+  padding-inline-end: 20px;
+  padding-inline-start: 20px;
+}
+
+.delete-container-confirm-title {
+  color: #000;
+  font-size: var(--font-size-heading);
+}
+
+#edit-sites-assigned h3 {
+  font-size: 14px;
+  font-weight: normal;
+  padding-block-end: 6px;
+  padding-block-start: 6px;
+  padding-inline-end: 16px;
+  padding-inline-start: 16px;
+}
+
+.assigned-sites-list > div {
+  display: flex;
+  padding-block-end: 6px;
+  padding-block-start: 6px;
+}
+
+.assigned-sites-list > div > .icon {
+  margin-inline-end: 10px;
+}
+
+.assigned-sites-list > div > .hostname {
+  flex: 1;
+}
+
+.radio-choice > .radio-container {
+  align-items: center;
+  block-size: 25px;
+  display: flex;
+  flex: 0 0 calc(100% / var(--icon-fit));
+}
+
+.radio-choice > .radio-container > label {
+  background: none;
+  block-size: 23px;
+  border: 0;
+  filter: none;
+  inline-size: 23px;
+  margin-block-end: 0;
+  margin-block-start: 0;
+  margin-inline-end: 0;
+  margin-inline-start: 0;
+  padding-block-end: 0;
+  padding-block-start: 0;
+  padding-inline-end: 0;
+  padding-inline-start: 0;
+}
+
+.radio-choice > .radio-container > label::before {
+  background-color: unset;
+  background-image: var(--identity-icon);
+  background-position: center;
+  background-repeat: no-repeat;
+  background-size: 16px;
+  block-size: 23px;
+  border: none;
+  content: "";
+  display: block;
+  fill: var(--identity-icon-color);
+  filter: url('/img/filters.svg#fill');
+  inline-size: 23px;
+  position: relative;
+}
+
+.radio-choice > .radio-container > [type="radio"] {
+  -moz-appearance: none;
+  display: inline;
+  opacity: 0;
+}
+
+.radio-choice > .radio-container > [type="radio"]:checked + label {
+  background: #d3d3d3;
+  border-radius: 100%;
+}
+
+/* When focusing the element add a thin blue highlight to match input fields. This gives a distinction to other selected radio items */
+.radio-choice > .radio-container > [type="radio"]:focus + label {
+  outline: 1px solid #1f9ffc;
+  -moz-outline-radius: 100%;
+}
+
+.edit-container-panel fieldset {
+  background: none;
+  border: none;
+  display: flex;
+  flex-direction: row;
+  flex-wrap: wrap;
+  inline-size: 80%;
+  margin-block-end: 10px;
+  margin-inline-end: 0;
+  margin-inline-start: 0;
+  padding-block-end: 0;
+  padding-block-start: 0;
+  padding-inline-end: 0;
+  padding-inline-start: 0;
+}
+
+.edit-container-panel fieldset:last-of-type {
+  margin-block-end: 0;
+}
+
+.edit-container-panel input[type="text"] {
+  block-size: 36px;
+  border-radius: 3px;
+  font-size: 14px;
+  inline-size: 100%;
+  padding-block-end: 5px;
+  padding-block-start: 5px;
+  padding-inline-end: 5px;
+  padding-inline-start: 5px;
+}
+
+.edit-container-panel legend,
+.options-header {
+  flex: 1 0;
+  font-size: 14px !important;
+  margin-block-end: 4px;
+  margin-block-start: -6px;
+}
+
+.options-header {
+  margin-block-end: 8px;
+  margin-block-start: 6px;
+}
+
+/* Achievement panel elements */
+.share-ctas {
+  padding-block-end: 0.5em;
+  padding-block-start: 0.5em;
+  padding-inline-end: 0.5em;
+  padding-inline-start: 0.5em;
+  text-align: center;
+}
+
+.cta-link {
+  text-decoration: none;
+}
+
+.cta {
+  color: #fff;
+  font-size: 0.7em;
+  font-weight: bold;
+  margin-block-end: 0.4em;
+  margin-block-start: 0.4em;
+  margin-inline-end: 0.4em;
+  margin-inline-start: 0.4em;
+  padding-block-end: 0.5em;
+  padding-block-start: 0.5em;
+  padding-inline-end: 0.5em;
+  padding-inline-start: 0.5em;
+  text-transform: uppercase;
+}
+
+.cta-icon {
+  height: 18px;
+  padding-right: 0.5em;
+  vertical-align: middle;
+}
+
+.fb-share-cta {
+  background: #375496;
+}
+
+.fb-share-cta .cta-icon {
+  margin-block-start: -5px;
+}
+
+.tweet-cta {
+  background: #37bae7;
+}
+
+.amo-rate-cta {
+  background: #0f1126;
+}
+
+h3.title {
+  block-size: 40px;
+  color: #000;
+  font-size: 13px;
+  font-weight: bold;
+  inline-size: 100%;
+  letter-spacing: -0.1px;
+  line-height: 40px;
+  text-align: center;
+}
+
+.menu {
+  border-style: none;
+  inline-size: 100%;
+}
+
+.menu-item {
+  cursor: pointer;
+  height: 24px;
+  inline-size: 100%;
+  line-height: 24px;
+}
+
+.menu-item td {
+  display: flex;
+  max-inline-size: 300px;
+}
+
+.disabled-menu-item {
+  color: grey;
+  cursor: default;
+  font-style: italic;
+}
+
+.hover-highlight:hover,
+.hover-highlight:focus {
+  background: var(--highlight-blue);
+  color: #fff;
+}
+
+.menu-text {
+  inline-size: calc(100% - 40px);
+  line-height: 24px;
+  max-inline-size: 260px;
+}
+
+.menu-icon {
+  display: block;
+  height: 16px;
+  inline-size: 23px;
+  margin-block-end: 4px;
+  margin-block-start: 4px;
+  margin-inline-end: 8px;
+  margin-inline-start: 16px;
+  text-align: center;
+}
+
+/* Maintain 1:1 square ratio for Favicons of websites added to a specific container */
+#container-info-table .menu-icon {
+  inline-size: 16px;
+}
+
+.menu-right-float {
+  height: 24px;
+  inline-size: 60px;
+  text-align: right;
+}
+
+.container-count {
+  opacity: 0.6;
+  padding-block-end: 0;
+  padding-block-start: 0;
+  padding-inline-end: 6px;
+  padding-inline-start: 0;
+  text-align: right;
+}
+
+.menu-arrow {
+  display: inline-block;
+  float: right;
+  height: 24px;
+  inline-size: 18px;
+  padding-block-end: 6px;
+  padding-block-start: 6px;
+  padding-inline-end: 12px;
+  padding-inline-start: 0;
+  text-align: center;
+}
+
+.menu-arrow img {
+  height: 12px;
+  inline-size: 12px;
+  padding-block-end: 2px;
+  padding-block-start: 2px;
+  padding-inline-end: 2px;
+  padding-inline-start: 2px;
+}
+
+hr {
+  border: 0;
+  border-block-start: 1px solid var(--hr-grey);
+  display: block;
+  margin-block-end: 0;
+  margin-block-start: 6px;
+  margin-inline-end: 0;
+  margin-inline-start: 0;
+  padding-block-end: 6px;
+  padding-block-start: 0;
+  padding-inline-end: 0;
+  padding-inline-start: 0;
+}
+
+.sub-header {
+  color: var(--text-grey);
+  height: 24px;
+  line-height: 24px;
+  padding-block-end: 0;
+  padding-block-start: 0;
+  padding-inline-end: 16px;
+  padding-inline-start: 16px;
+}
+
+.edit-form {
+  color: var(--text-grey);
+  flex: 1;
+  padding-block-end: 0;
+  padding-block-start: 0;
+  padding-inline-end: 16px;
+  padding-inline-start: 16px;
+}
+
+.identities-list {
+  margin-block-end: 41px;
+  margin-block-start: 0;
+  margin-inline-end: 0;
+  margin-inline-start: 0;
+}
+
+.bottom-btn {
+  background-color: var(--hr-grey);
+  border: solid 1px #d9d9d9;
+  cursor: pointer;
+  height: 41px;
+  inline-size: 100%;
+  inset-block-end: 0;
+  line-height: 41px;
+  padding-block-end: 0;
+  padding-block-start: 0;
+  padding-inline-end: 16px;
+  padding-inline-start: 16px;
+  position: fixed;
+}
+
+.delete-container {
+  background-color: #fff;
+  border-block-start: solid 1px var(--hr-grey);
+  cursor: default;
+  display: flex;
+  height: 65px;
+  inline-size: 100%;
+  justify-content: space-between;
+  padding-block-end: 27px;
+  padding-block-start: 9px;
+  padding-inline-end: 18px;
+  padding-inline-start: 17px;
+}
+
+.delete-btn {
+  background-color: rgba(12, 12, 13, 0.1);
+  border: 0;
+  border-radius: 2px;
+  cursor: pointer;
+  height: 30px;
+  inline-size: 100%;
+  line-height: 30px;
+  text-align: center;
+}
+
+.btn-return.arrow-left {
+  background-color: rgba(255, 255, 255, 1);
+  background-image: url("/img/arrow-icon-left.svg");
+  border: 0;
+  cursor: pointer;
+  height: 1.2rem;
+  inline-size: 1.2rem;
+  inset-block-start: 15px;
+  left: 15px;
+  position: absolute;
+}
+
+input {
+  border: solid 1px #bebebe;
+  border-radius: 2px;
+}
+
+.form-header {
+  height: 23px;
+  line-height: 23px;
+  padding-block-end: 0;
+  padding-block-start: 0;
+  padding-inline-end: 0;
+  padding-inline-start: 0;
+}
+
+.edit-container-panel-name-input {
+  height: 29px;
+}
+
+.container-options {
+  height: 23px;
+}
+
+.site-isolation {
+  inset-block-end: auto;
+  position: fixed;
+}
+
+.options-label {
+  cursor: pointer;
+  padding-inline-start: 25px;
+}
+
+.manage-assigned-sites-list {
+  color: var(--highlight-blue);
+}
+
+.info-icon {
+  cursor: pointer;
+  height: 16px;
+  inline-size: 16px;
+  inset-block-start: 13px;
+  position: absolute;
+  right: 13px;
+  text-align: center;
+  text-decoration: none;
+}
+
+.delete-warning {
+  padding-block-end: 8px;
+  padding-block-start: 8px;
+  padding-inline-end: 0;
+  padding-inline-start: 0;
+}
+
+.trash-button {
+  display: inline-block;
+  float: right;
+  height: 16px;
+  inline-size: 16px;
+  margin-block-end: 4px;
+  margin-block-start: 4px;
+  margin-inline-end: 10px;
+  margin-inline-start: 0;
+  text-align: center;
+}
+
+tr > td > .trash-button {
+  display: none;
+}
+
+tr:hover > td > .trash-button {
+  display: block;
+}
@@ -0,0 +1,3 @@
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+   - License, v. 2.0. If a copy of the MPL was not distributed with this
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+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. --><svg id="Layer_1" data-name="Layer 1" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 220 160"><defs><style>.cls-1{fill:#9f9fad;}.cls-2{fill:#5a4a9e;}.cls-3{fill:#6a57a5;}.cls-4{fill:#8f8f9d;}.cls-5{fill:none;stroke:#80808e;stroke-linecap:round;stroke-linejoin:round;stroke-width:1.6px;}.cls-6{fill:#231f20;opacity:0.4;}.cls-7{fill:#ee3389;}.cls-8{fill:#7661aa;}</style></defs><title>Sync</title><path class="cls-1" d="M119.16,122.69v4.81H19.76v-4.81l12.83-3.21h72.15Z"/><rect class="cls-1" x="24.57" y="55.35" width="89.79" height="67.34" rx="3"/><path class="cls-2" d="M79.08,65l-49.7,49.7a1.61,1.61,0,0,0,1.6,1.61h77a1.62,1.62,0,0,0,1.61-1.61V65Z"/><polygon class="cls-3" points="29.38 64.97 29.38 114.67 79.08 64.97 29.38 64.97"/><path class="cls-2" d="M107.94,60.16H31a1.6,1.6,0,0,0-1.6,1.6V65h80.17V61.76A1.61,1.61,0,0,0,107.94,60.16Z"/><path class="cls-4" d="M108.74,121.09H30.18a.81.81,0,0,1,0-1.61h78.56a.81.81,0,1,1,0,1.61Z"/><line class="cls-5" x1="63.61" y1="124.18" x2="74.83" y2="124.18"/><path class="cls-6" d="M114.35,127.35H102.2V71.64a5.53,5.53,0,0,1,5.52-5.53h6.63Z"/><path class="cls-1" d="M200.24,134.72v4.81h-99.4v-4.81l12.82-3.21h72.15Z"/><rect class="cls-1" x="105.65" y="67.38" width="89.79" height="67.34" rx="3"/><path class="cls-2" d="M160.16,77l-49.71,49.7a1.61,1.61,0,0,0,1.61,1.6h77a1.6,1.6,0,0,0,1.6-1.6V77Z"/><polygon class="cls-3" points="110.45 77 110.45 126.7 160.16 77 110.45 77"/><path class="cls-2" d="M189,72.19h-77a1.61,1.61,0,0,0-1.61,1.6V77h80.17V73.79A1.6,1.6,0,0,0,189,72.19Z"/><path class="cls-4" d="M189.82,133.11H111.26a.8.8,0,1,1,0-1.6h78.56a.8.8,0,0,1,0,1.6Z"/><line class="cls-5" x1="144.69" y1="136.2" x2="155.91" y2="136.2"/><path class="cls-7" d="M136.85,50l-3-.55a3,3,0,0,0-3.51,2.37l-.27,1.45c-1.59,8.36-9.86,14.42-19.66,14.42a21,21,0,0,1-15.93-6.89H103a3,3,0,0,0,3-3v-3a3,3,0,0,0-3-3H84.86a3,3,0,0,0-3,3V73.64a3,3,0,0,0,3,3h3a3,3,0,0,0,3-3V69.72a30.8,30.8,0,0,0,19.57,6.87c14.15,0,26.15-9.11,28.54-21.66l.27-1.45A2.94,2.94,0,0,0,136.85,50Z"/><path class="cls-8" d="M84.06,47l3,.54a3.41,3.41,0,0,0,.55,0,3,3,0,0,0,3-2.41l.27-1.45h0c1.59-8.36,9.86-14.42,19.65-14.42a21,21,0,0,1,15.94,6.89H117.9a3,3,0,0,0-3,3v3a3,3,0,0,0,3,3h18.15a3,3,0,0,0,3-3V23.43a3,3,0,0,0-3-3h-3a3,3,0,0,0-3,3v3.92a30.82,30.82,0,0,0-19.58-6.88c-14.14,0-26.14,9.11-28.53,21.67l-.27,1.45A3,3,0,0,0,84.06,47Z"/></svg>
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+  <path id="bullhorn" d="M1.5 5A.5.5 0 0 0 1 5.5v5a.5.5 0 0 0 1 0v-5A.5.5 0 0 0 1.5 5zM14.6 2.2A1 1 0 0 0 13.71 2l-10 3A1 1 0 0 0 3 6v4a1 1 0 0 0 .71 1L5 11.35a.4.4 0 0 0 0 .15v1a2.5 2.5 0 0 0 5 .33L13.71 14A1 1 0 0 0 14 14a1 1 0 0 0 .6-.2A1 1 0 0 0 15 13V3a1 1 0 0 0-.4-.8zM7.5 14A1.5 1.5 0 0 1 6 12.5v-.86l3 .9A1.51 1.51 0 0 1 7.5 14zm5.5-2.34l-8-2.4V6.74l8-2.4z"/>
+  <path id="folder" d="M13 4H8.41L7 2.59A2 2 0 0 0 5.59 2H3a2 2 0 0 0-2 2v8a2 2 0 0 0 2 2h10a2 2 0 0 0 2-2V6a2 2 0 0 0-2-2z"/>
+  <path id="hat" d="M15 10a1 1 0 0 0-1 1 1 1 0 0 1-1 1V6a4 4 0 0 0-4-4H7a4 4 0 0 0-4 4v6a1 1 0 0 1-1-1 1 1 0 0 0-2 0 3 3 0 0 0 3 3h10a3 3 0 0 0 3-3 1 1 0 0 0-1-1zM7 4h2a2 2 0 0 1 2 2v3H5V6a2 2 0 0 1 2-2z"/>
+  <path id="wallet" d="M14 2H2C1 2 0.06 3 0 4.86v6.34A1.94 1.94 0 0 0 1.22 13l7 2.86A2 2 0 0 0 9 16a2 2 0 0 0 1.14-0.35A1.9 1.9 0 0 0 11 14.07V7.8A1.94 1.94 0 0 0 9.78 6L4.85 4h8.65a0.5 0.5 0 0 1 0 1H9.92l0.24 0.1a2.93 2.93 0 0 1 1.2 0.9h2.14A0.5 0.5 0 0 1 14 6.5v3a0.51 0.51 0 0 1-0.5 0.5H12v2h2a2 2 0 0 0 2-2V4a2 2 0 0 0-2-2zm-6 8.5a0.5 0.5 0 0 1 1 0v1a0.5 0.5 0 0 1-1 0z"/>
+
+
+
+
 </svg>
@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
+<svg version="1.1" id="Icon" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px"
+	 viewBox="-14 -14 48 48" enable-background="new -14 -14 48 48" xml:space="preserve">
+<linearGradient id="SVGID_1_" gradientUnits="userSpaceOnUse" x1="90.0527" y1="-99.7603" x2="90.0527" y2="-106.3809" gradientTransform="matrix(7.2338 0 0 -7.2338 -641.4998 -735.5619)">
+	<stop  offset="0" style="stop-color:#4B71B8"/>
+	<stop  offset="1" style="stop-color:#293F7E"/>
+</linearGradient>
+<path fill="url(#SVGID_1_)" d="M33.931,27.993c0,3.304-2.689,5.983-6.002,5.983H-8.082c-3.315,0-6.001-2.683-6.001-5.983V-7.928
+	c0-3.308,2.687-5.988,6.001-5.988h36.011c3.312,0,6.002,2.681,6.002,5.988V27.993z"/>
+<path fill="#FFFFFF" d="M25.613-4.557c0,0-3.707,0-6.166,0c-3.662,0-7.732,1.535-7.732,6.835c0.019,1.845,0,3.613,0,5.603H7.481
+	v6.728h4.366v19.37h8.021V14.48h5.295l0.479-6.618h-5.913c0,0,0.016-2.946,0-3.8c0-2.093,2.184-1.974,2.312-1.974
+	c1.042,0,3.059,0.003,3.578,0v-6.646H25.613z"/>
+</svg>
@@ -0,0 +1,27 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
+<svg version="1.1" id="Icon" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px" viewBox="0 0 48 48" enable-background="new 0 0 48 48" xml:space="preserve">
+<linearGradient id="SVGID_1_" gradientUnits="userSpaceOnUse" x1="23.9995" y1="0" x2="23.9995" y2="48.0005">
+	<stop  offset="0" style="stop-color:#4BD0EF"/>
+	<stop  offset="1" style="stop-color:#29AAE1"/>
+</linearGradient>
+<path fill-rule="evenodd" clip-rule="evenodd" fill="url(#SVGID_1_)" d="M48,42c0,3.313-2.687,6-6,6H6c-3.313,0-6-2.687-6-6V6
+	c0-3.313,2.687-6,6-6h36c3.313,0,6,2.687,6,6V42z"/>
+<path fill="#29AAE1" d="M40.231,13.413c-1.12,0.497-2.323,0.833-3.588,0.984c1.291-0.774,2.28-1.998,2.747-3.457
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+	c-2.138,1.675-4.832,2.675-7.758,2.675c-0.504,0-1.002-0.03-1.491-0.089c2.765,1.773,6.048,2.808,9.576,2.808
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+<path fill="#FFFFFF" d="M40.231,14.739c-1.12,0.497-2.323,0.833-3.588,0.984c1.291-0.773,2.28-1.998,2.747-3.456
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+	c0,2.167,1.103,4.079,2.779,5.199c-1.024-0.032-1.987-0.313-2.83-0.781c0,0.026,0,0.052,0,0.079c0,3.027,2.153,5.551,5.011,6.125
+	c-0.525,0.144-1.076,0.219-1.646,0.219c-0.403,0-0.794-0.038-1.176-0.11c0.795,2.481,3.102,4.287,5.835,4.338
+	c-2.138,1.676-4.832,2.675-7.758,2.675c-0.504,0-1.002-0.03-1.491-0.089c2.765,1.773,6.048,2.808,9.576,2.808
+	c11.49,0,17.774-9.519,17.774-17.774c0-0.271-0.006-0.54-0.019-0.808C38.334,17.092,39.394,15.992,40.231,14.739z"/>
+</svg>
@@ -0,0 +1,14 @@
+module.exports = {
+  "extends": [
+    "../../.eslintrc.js"
+  ],
+  "globals": {
+    "assignManager": true,
+    "badge": true,
+    "backgroundLogic": true,
+    "identityState": true,
+    "messageHandler": true,
+    "sync": true,
+    "Utils": true
+  }
+};
@@ -0,0 +1,748 @@
+window.assignManager = {
+  MENU_ASSIGN_ID: "open-in-this-container",
+  MENU_REMOVE_ID: "remove-open-in-this-container",
+  MENU_SEPARATOR_ID: "separator",
+  MENU_HIDE_ID: "hide-container",
+  MENU_MOVE_ID: "move-to-new-window-container",
+  OPEN_IN_CONTAINER: "open-bookmark-in-container-tab",
+  storageArea: {
+    area: browser.storage.local,
+    exemptedTabs: {},
+
+    getSiteStoreKey(pageUrlorUrlKey) {
+      if (pageUrlorUrlKey.includes("siteContainerMap@@_")) return pageUrlorUrlKey;
+      const url = new window.URL(pageUrlorUrlKey);
+      const storagePrefix = "siteContainerMap@@_";
+      if (url.port === "80" || url.port === "443") {
+        return `${storagePrefix}${url.hostname}`;
+      } else {
+        return `${storagePrefix}${url.hostname}${url.port}`;
+      }
+    },
+
+    setExempted(pageUrlorUrlKey, tabId) {
+      const siteStoreKey = this.getSiteStoreKey(pageUrlorUrlKey);
+      if (!(siteStoreKey in this.exemptedTabs)) {
+        this.exemptedTabs[siteStoreKey] = [];
+      }
+      this.exemptedTabs[siteStoreKey].push(tabId);
+    },
+
+    removeExempted(pageUrlorUrlKey) {
+      const siteStoreKey = this.getSiteStoreKey(pageUrlorUrlKey);
+      this.exemptedTabs[siteStoreKey] = [];
+    },
+
+    isExempted(pageUrlorUrlKey, tabId) {
+      const siteStoreKey = this.getSiteStoreKey(pageUrlorUrlKey);
+      if (!(siteStoreKey in this.exemptedTabs)) {
+        return false;
+      }
+      return this.exemptedTabs[siteStoreKey].includes(tabId);
+    },
+
+    get(pageUrlorUrlKey) {
+      const siteStoreKey = this.getSiteStoreKey(pageUrlorUrlKey);
+      return this.getByUrlKey(siteStoreKey);
+    },
+
+    async getSyncEnabled() {
+      const { syncEnabled } = await browser.storage.local.get("syncEnabled");
+      return !!syncEnabled;
+    },
+
+    getByUrlKey(siteStoreKey) {
+      return new Promise((resolve, reject) => {
+        this.area.get([siteStoreKey]).then((storageResponse) => {
+          if (storageResponse && siteStoreKey in storageResponse) {
+            resolve(storageResponse[siteStoreKey]);
+          }
+          resolve(null);
+        }).catch((e) => {
+          reject(e);
+        });
+      });
+    },
+
+    async set(pageUrlorUrlKey, data, exemptedTabIds, backup = true) {
+      const siteStoreKey = this.getSiteStoreKey(pageUrlorUrlKey);
+      if (exemptedTabIds) {
+        exemptedTabIds.forEach((tabId) => {
+          this.setExempted(pageUrlorUrlKey, tabId);
+        });
+      }
+      // eslint-disable-next-line require-atomic-updates
+      data.identityMacAddonUUID =
+        await identityState.lookupMACaddonUUID(data.userContextId);
+      await this.area.set({
+        [siteStoreKey]: data
+      });
+      const syncEnabled = await this.getSyncEnabled();
+      if (backup && syncEnabled) {
+        await sync.storageArea.backup({undeleteSiteStoreKey: siteStoreKey});
+      }
+      return;
+    },
+
+    async remove(pageUrlorUrlKey) {
+      const siteStoreKey = this.getSiteStoreKey(pageUrlorUrlKey);
+      // When we remove an assignment we should clear all the exemptions
+      this.removeExempted(pageUrlorUrlKey);
+      await this.area.remove([siteStoreKey]);
+      const syncEnabled = await this.getSyncEnabled();
+      if (syncEnabled) await sync.storageArea.backup({siteStoreKey});
+      return;
+    },
+
+    async deleteContainer(userContextId) {
+      const sitesByContainer = await this.getAssignedSites(userContextId);
+      this.area.remove(Object.keys(sitesByContainer));
+    },
+
+    async getAssignedSites(userContextId = null) {
+      const sites = {};
+      const siteConfigs = await this.area.get();
+      for(const urlKey of Object.keys(siteConfigs)) {
+        if (urlKey.includes("siteContainerMap@@_")) {
+        // For some reason this is stored as string... lets check 
+        // them both as that
+          if (!!userContextId && 
+              String(siteConfigs[urlKey].userContextId) 
+                !== String(userContextId)) {
+            continue;
+          }
+          const site = siteConfigs[urlKey];
+          // In hindsight we should have stored this
+          // TODO file a follow up to clean the storage onLoad
+          site.hostname = urlKey.replace(/^siteContainerMap@@_/, "");
+          sites[urlKey] = site;
+        }
+      }
+      return sites;
+    },
+
+    /*
+     * Looks for abandoned site assignments. If there is no identity with 
+     * the site assignment's userContextId (cookieStoreId), then the assignment
+     * is removed.
+     */
+    async upgradeData() {
+      const identitiesList = await browser.contextualIdentities.query({});
+      const macConfigs = await this.area.get();
+      for(const configKey of Object.keys(macConfigs)) {
+        if (configKey.includes("siteContainerMap@@_")) {
+          const cookieStoreId = 
+            "firefox-container-" + macConfigs[configKey].userContextId; 
+          const match = identitiesList.find(
+            localIdentity => localIdentity.cookieStoreId === cookieStoreId
+          );
+          if (!match) {
+            await this.remove(configKey);
+            continue;
+          }
+          const updatedSiteAssignment = macConfigs[configKey];
+          updatedSiteAssignment.identityMacAddonUUID = 
+            await identityState.lookupMACaddonUUID(match.cookieStoreId);
+          await this.set(
+            configKey,
+            updatedSiteAssignment,
+            false,
+            false
+          );
+        }
+      }
+
+    }
+
+  },
+
+  _neverAsk(m) {
+    const pageUrl = m.pageUrl;
+    if (m.neverAsk === true) {
+      // If we have existing data and for some reason it hasn't been 
+      // deleted etc lets update it
+      this.storageArea.get(pageUrl).then((siteSettings) => {
+        if (siteSettings) {
+          siteSettings.neverAsk = true;
+          this.storageArea.set(pageUrl, siteSettings);
+        }
+      }).catch((e) => {
+        throw e;
+      });
+    }
+  },
+
+  // We return here so the confirm page can load the tab when exempted
+  async _exemptTab(m) {
+    const pageUrl = m.pageUrl;
+    await this.storageArea.setExempted(pageUrl, m.tabId);
+    return true;
+  },
+
+  // Before a request is handled by the browser we decide if we should
+  // route through a different container
+  async onBeforeRequest(options) {
+    if (options.frameId !== 0 || options.tabId === -1) {
+      return {};
+    }
+    this.removeContextMenu();
+    const [tab, siteSettings] = await Promise.all([
+      browser.tabs.get(options.tabId),
+      this.storageArea.get(options.url)
+    ]);
+    let container;
+    try {
+      container = await browser.contextualIdentities
+        .get(backgroundLogic.cookieStoreId(siteSettings.userContextId));
+    } catch (e) {
+      container = false;
+    }
+
+    // The container we have in the assignment map isn't present any
+    // more so lets remove it then continue the existing load
+    if (siteSettings && !container) {
+      this.deleteContainer(siteSettings.userContextId);
+      return {};
+    }
+    const userContextId = this.getUserContextIdFromCookieStore(tab);
+
+    // https://github.com/mozilla/multi-account-containers/issues/847
+    //    
+    // Handle the case where this request's URL is not assigned to any particular
+    // container. We must do the following check:
+    //
+    // If the current tab's container is "unlocked", we can just go ahead
+    // and open the URL in the current tab, since an "unlocked" container accepts
+    // any-and-all sites.
+    //
+    // But if the current tab's container has been "locked" by the user, then we must
+    // re-open the page in the default container, because the user doesn't want random
+    // sites polluting their locked container.
+    //
+    // For example:
+    //   - the current tab's container is locked and only allows "www.google.com"
+    //   - the incoming request is for "www.amazon.com", which has no specific container assignment
+    //   - in this case, we must re-open "www.amazon.com" in a new tab in the default container
+    const siteIsolatedReloadInDefault = 
+      await this._maybeSiteIsolatedReloadInDefault(siteSettings, tab);
+
+    if (!siteIsolatedReloadInDefault) {
+      if (!siteSettings
+          || userContextId === siteSettings.userContextId
+          || this.storageArea.isExempted(options.url, tab.id)) {
+        return {};
+      }
+    }
+    const removeTab = backgroundLogic.NEW_TAB_PAGES.has(tab.url)
+      || (messageHandler.lastCreatedTab
+        && messageHandler.lastCreatedTab.id === tab.id);
+    const openTabId = removeTab ? tab.openerTabId : tab.id;
+
+    if (!this.canceledRequests[tab.id]) {
+      // we decided to cancel the request at this point, register 
+      // canceled request
+      this.canceledRequests[tab.id] = {
+        requestIds: {
+          [options.requestId]: true
+        },
+        urls: {
+          [options.url]: true
+        }
+      };
+
+      // since webRequest onCompleted and onErrorOccurred are not 100%
+      // reliable (see #1120)
+      // we register a timer here to cleanup canceled requests, just to
+      // make sure we don't
+      // end up in a situation where certain urls in a tab.id stay canceled
+      setTimeout(() => {
+        if (this.canceledRequests[tab.id]) {
+          delete this.canceledRequests[tab.id];
+        }
+      }, 2000);
+    } else {
+      let cancelEarly = false;
+      if (this.canceledRequests[tab.id].requestIds[options.requestId] ||
+          this.canceledRequests[tab.id].urls[options.url]) {
+        // same requestId or url from the same tab
+        // this is a redirect that we have to cancel early to prevent
+        // opening two tabs
+        cancelEarly = true;
+      }
+      // we decided to cancel the request at this point, register canceled
+      // request
+      this.canceledRequests[tab.id].requestIds[options.requestId] = true;
+      this.canceledRequests[tab.id].urls[options.url] = true;
+      if (cancelEarly) {
+        return {
+          cancel: true
+        };
+      }
+    }
+
+    if (siteIsolatedReloadInDefault) {
+      this.reloadPageInDefaultContainer(
+        options.url,
+        tab.index + 1,
+        tab.active,
+        openTabId
+      );
+    } else {
+      this.reloadPageInContainer(
+        options.url,
+        userContextId,
+        siteSettings.userContextId,
+        tab.index + 1,
+        tab.active,
+        siteSettings.neverAsk,
+        openTabId
+      );
+    }
+    this.calculateContextMenu(tab);
+
+    /* Removal of existing tabs:
+        We aim to open the new assigned container tab / warning prompt in
+        it's own tab:
+          - As the history won't span from one container to another it
+            seems most sane to not try and reopen a tab on history.back()
+          - When users open a new tab themselves we want to make sure we
+            don't end up with three tabs as per: 
+            https://github.com/mozilla/testpilot-containers/issues/421
+        If we are coming from an internal url that are used for the new
+        tab page (NEW_TAB_PAGES), we can safely close as user is unlikely
+        losing history
+        Detecting redirects on "new tab" opening actions is pretty hard
+        as we don't get tab history:
+        - Redirects happen from Short URLs and tracking links that act as
+          a gateway
+        - Extensions don't provide a way to history crawl for tabs, we
+          could inject content scripts to do this
+            however they don't run on about:blank so this would likely be
+            just as hacky.
+        We capture the time the tab was created and close if it was within
+        the timeout to try to capture pages which haven't had user
+        interaction or history.
+    */
+    if (removeTab) {
+      browser.tabs.remove(tab.id);
+    }
+    return {
+      cancel: true,
+    };
+  },
+
+  async _maybeSiteIsolatedReloadInDefault(siteSettings, tab) {
+    // Tab doesn't support cookies, so containers not supported either.
+    if (!("cookieStoreId" in tab)) {
+      return false;
+    }
+
+    // Requested page has been assigned to a specific container.
+    // I.e. it will be opened in that container anyway, so we don't need to check if the
+    // current tab's container is locked or not.
+    if (siteSettings) {
+      return false;  
+    }
+
+    //tab is alredy reopening in the default container
+    if (tab.cookieStoreId === "firefox-default") {
+      return false;
+    }
+    // Requested page is not assigned to a specific container. If the current tab's container
+    // is locked, then the page must be reloaded in the default container.
+    const currentContainerState = await identityState.storageArea.get(tab.cookieStoreId);
+    return currentContainerState && currentContainerState.isIsolated;
+  },
+
+  init() {
+    browser.contextMenus.onClicked.addListener((info, tab) => {
+      info.bookmarkId ? 
+        this._onClickedBookmark(info) : 
+        this._onClickedHandler(info, tab);
+    });
+
+    // Before a request is handled by the browser we decide if we should
+    // route through a different container
+    this.canceledRequests = {};
+    browser.webRequest.onBeforeRequest.addListener((options) => {
+      return this.onBeforeRequest(options);
+    },{urls: ["<all_urls>"], types: ["main_frame"]}, ["blocking"]);
+
+    // Clean up canceled requests
+    browser.webRequest.onCompleted.addListener((options) => {
+      if (this.canceledRequests[options.tabId]) {
+        delete this.canceledRequests[options.tabId];
+      }
+    },{urls: ["<all_urls>"], types: ["main_frame"]});
+    browser.webRequest.onErrorOccurred.addListener((options) => {
+      if (this.canceledRequests[options.tabId]) {
+        delete this.canceledRequests[options.tabId];
+      }
+    },{urls: ["<all_urls>"], types: ["main_frame"]});
+
+    this.resetBookmarksMenuItem();
+  },
+
+  async resetBookmarksMenuItem() {
+    const hasPermission = await browser.permissions.contains({
+      permissions: ["bookmarks"]
+    });
+    if (this.hadBookmark === hasPermission) {
+      return;
+    }
+    this.hadBookmark = hasPermission;
+    if (hasPermission) {
+      this.initBookmarksMenu();
+      browser.contextualIdentities.onCreated
+        .addListener(this.contextualIdentityCreated);
+      browser.contextualIdentities.onUpdated
+        .addListener(this.contextualIdentityUpdated);
+      browser.contextualIdentities.onRemoved
+        .addListener(this.contextualIdentityRemoved);
+    } else {
+      this.removeBookmarksMenu();
+      browser.contextualIdentities.onCreated
+        .removeListener(this.contextualIdentityCreated);
+      browser.contextualIdentities.onUpdated
+        .removeListener(this.contextualIdentityUpdated);
+      browser.contextualIdentities.onRemoved
+        .removeListener(this.contextualIdentityRemoved);
+    }
+  },
+
+  contextualIdentityCreated(changeInfo) {
+    browser.contextMenus.create({
+      parentId: assignManager.OPEN_IN_CONTAINER,
+      id: changeInfo.contextualIdentity.cookieStoreId,
+      title: changeInfo.contextualIdentity.name,
+      icons: { "16": `img/usercontext.svg#${
+        changeInfo.contextualIdentity.icon
+      }` }
+    });
+  },
+
+  contextualIdentityUpdated(changeInfo) {
+    browser.contextMenus.update(
+      changeInfo.contextualIdentity.cookieStoreId, {
+        title: changeInfo.contextualIdentity.name,
+        icons: { "16": `img/usercontext.svg#${
+          changeInfo.contextualIdentity.icon}` }
+      });
+  },
+
+  contextualIdentityRemoved(changeInfo) {
+    browser.contextMenus.remove(
+      changeInfo.contextualIdentity.cookieStoreId
+    );
+  },
+
+  async _onClickedHandler(info, tab) {
+    const userContextId = this.getUserContextIdFromCookieStore(tab);
+    // Mapping ${URL(info.pageUrl).hostname} to ${userContextId}
+    let remove;
+    if (userContextId) {
+      switch (info.menuItemId) {
+      case this.MENU_ASSIGN_ID:
+      case this.MENU_REMOVE_ID:
+        if (info.menuItemId === this.MENU_ASSIGN_ID) {
+          remove = false;
+        } else {
+          remove = true;
+        }
+        await this._setOrRemoveAssignment(
+          tab.id, info.pageUrl, userContextId, remove
+        );
+        break;
+      case this.MENU_MOVE_ID:
+        backgroundLogic.moveTabsToWindow({
+          cookieStoreId: tab.cookieStoreId,
+          windowId: tab.windowId,
+        });
+        break;
+      case this.MENU_HIDE_ID:
+        backgroundLogic.hideTabs({
+          cookieStoreId: tab.cookieStoreId,
+          windowId: tab.windowId,
+        });
+        break;
+      }
+    }
+  },
+
+  async _onClickedBookmark(info) {
+
+    async function _getBookmarksFromInfo(info) {
+      const [bookmarkTreeNode] = 
+        await browser.bookmarks.get(info.bookmarkId);
+      if (bookmarkTreeNode.type === "folder") {
+        return browser.bookmarks.getChildren(bookmarkTreeNode.id);
+      }
+      return [bookmarkTreeNode];
+    }
+
+    const bookmarks = await _getBookmarksFromInfo(info);
+    for (const bookmark of bookmarks) {
+      // Some checks on the urls from 
+      // https://github.com/Rob--W/bookmark-container-tab/ thanks!
+      if ( !/^(javascript|place):/i.test(bookmark.url) && 
+          bookmark.type !== "folder") {
+        const openInReaderMode = bookmark.url.startsWith("about:reader");
+        if(openInReaderMode) {
+          try {
+            const parsed = new URL(bookmark.url);
+            bookmark.url = parsed.searchParams.get("url") + parsed.hash;
+          } catch (err) {
+            return err.message;
+          }
+        }
+        browser.tabs.create({
+          cookieStoreId: info.menuItemId,
+          url: bookmark.url,
+          openInReaderMode: openInReaderMode
+        });
+      }
+    }
+  },
+
+
+  deleteContainer(userContextId) {
+    this.storageArea.deleteContainer(userContextId);
+  },
+
+  getUserContextIdFromCookieStore(tab) {
+    if (!("cookieStoreId" in tab)) {
+      return false;
+    }
+    return backgroundLogic.getUserContextIdFromCookieStoreId(
+      tab.cookieStoreId
+    );
+  },
+
+  isTabPermittedAssign(tab) {
+    // Ensure we are not an important about url
+    const url = new URL(tab.url);
+    if (url.protocol === "about:"
+        || url.protocol === "moz-extension:") {
+      return false;
+    }
+    return true;
+  },
+
+  async _setOrRemoveAssignment(tabId, pageUrl, userContextId, remove) {
+    let actionName;
+    // https://github.com/mozilla/testpilot-containers/issues/626
+    // Context menu has stored context IDs as strings, so we need to coerce
+    // the value to a string for accurate checking
+    userContextId = String(userContextId);
+
+    if (!remove) {
+      const tabs = await browser.tabs.query({});
+      const assignmentStoreKey = this.storageArea.getSiteStoreKey(pageUrl);
+      const exemptedTabIds = tabs.filter((tab) => {
+        const tabStoreKey = this.storageArea.getSiteStoreKey(tab.url);
+        /* Auto exempt all tabs that exist for this hostname that are not in the same container */
+        if (tabStoreKey === assignmentStoreKey &&
+            this.getUserContextIdFromCookieStore(tab) !== userContextId) {
+          return true;
+        }
+        return false;
+      }).map((tab) => {
+        return tab.id;
+      });
+
+      await this.storageArea.set(pageUrl, {
+        userContextId,
+        neverAsk: false
+      }, exemptedTabIds);
+      actionName = "assigned site to always open in this container";
+    } else {
+      // Remove assignment
+      await this.storageArea.remove(pageUrl);
+
+      actionName = "removed from assigned sites list";
+
+      // remove site isolation if now empty
+      await this._maybeRemoveSiteIsolation(userContextId);   
+    }
+
+    if (tabId) {
+      const tab = await browser.tabs.get(tabId);
+      setTimeout(function(){ 
+        browser.tabs.sendMessage(tabId, {
+          text: `Successfully ${actionName}`
+        });
+      }, 1000);
+
+
+      this.calculateContextMenu(tab);
+    }
+  },
+
+  async _maybeRemoveSiteIsolation(userContextId) {
+    const assignments = await this.storageArea.getByContainer(userContextId);
+    const hasAssignments = assignments && Object.keys(assignments).length > 0;
+    if (hasAssignments) {
+      return;
+    }
+    await backgroundLogic.addRemoveSiteIsolation(
+      backgroundLogic.cookieStoreId(userContextId),
+      true
+    );
+  },
+
+  async _getAssignment(tab) {
+    const cookieStore = this.getUserContextIdFromCookieStore(tab);
+    // Ensure we have a cookieStore to assign to
+    if (cookieStore
+        && this.isTabPermittedAssign(tab)) {
+      return this.storageArea.get(tab.url);
+    }
+    return false;
+  },
+
+  _getByContainer(userContextId) {
+    return this.storageArea.getAssignedSites(userContextId);
+  },
+
+  removeContextMenu() {
+    // There is a focus issue in this menu where if you change window with a context menu click
+    // you get the wrong menu display because of async
+    // See: https://bugzilla.mozilla.org/show_bug.cgi?id=1215376#c16
+    // We also can't change for always private mode
+    // See: https://bugzilla.mozilla.org/show_bug.cgi?id=1352102
+    browser.contextMenus.remove(this.MENU_ASSIGN_ID);
+    browser.contextMenus.remove(this.MENU_REMOVE_ID);
+    browser.contextMenus.remove(this.MENU_SEPARATOR_ID);
+    browser.contextMenus.remove(this.MENU_HIDE_ID);
+    browser.contextMenus.remove(this.MENU_MOVE_ID);
+  },
+
+  async calculateContextMenu(tab) {
+    this.removeContextMenu();
+    const siteSettings = await this._getAssignment(tab);
+    // Return early and not add an item if we have false
+    // False represents assignment is not permitted
+    if (siteSettings === false) {
+      return false;
+    }
+    let checked = false;
+    let menuId = this.MENU_ASSIGN_ID;
+    const tabUserContextId = this.getUserContextIdFromCookieStore(tab);
+    if (siteSettings &&
+        Number(siteSettings.userContextId) === Number(tabUserContextId)) {
+      checked = true;
+      menuId = this.MENU_REMOVE_ID;
+    }
+    browser.contextMenus.create({
+      id: menuId,
+      title: "Always Open in This Container",
+      checked,
+      type: "checkbox",
+      contexts: ["all"],
+    });
+
+    browser.contextMenus.create({
+      id: this.MENU_SEPARATOR_ID,
+      type: "separator",
+      contexts: ["all"],
+    });
+
+    browser.contextMenus.create({
+      id: this.MENU_HIDE_ID,
+      title: "Hide This Container",
+      contexts: ["all"],
+    });
+
+    browser.contextMenus.create({
+      id: this.MENU_MOVE_ID,
+      title: "Move Tabs to a New Window",
+      contexts: ["all"],
+    });
+  },
+
+  encodeURLProperty(url) {
+    return encodeURIComponent(url).replace(/[!'()*]/g, (c) => {
+      const charCode = c.charCodeAt(0).toString(16);
+      return `%${charCode}`;
+    });
+  },
+
+  reloadPageInDefaultContainer(url, index, active, openerTabId) {
+    // To create a new tab in the default container, it is easiest just to omit the
+    // cookieStoreId entirely.
+    // 
+    // Unfortunately, if you create a new tab WITHOUT a cookieStoreId but WITH an openerTabId,
+    // then the new tab automatically inherits the opener tab's cookieStoreId.
+    // I.e. it opens in the wrong container!
+    // 
+    // So we have to explicitly pass in a cookieStoreId when creating the tab, since we
+    // are specifying the openerTabId. There doesn't seem to be any way
+    // to look up the default container's cookieStoreId programatically, so sadly
+    // we have to hardcode it here as "firefox-default". This is potentially
+    // not cross-browser compatible.
+    // 
+    // Note that we could have just omitted BOTH cookieStoreId and openerTabId. But the
+    // drawback then is that if the user later closes the newly-created tab, the browser
+    // does not automatically return to the original opener tab. To get this desired behaviour,
+    // we MUST specify the openerTabId when creating the new tab.
+    const cookieStoreId = "firefox-default";
+    browser.tabs.create({url, cookieStoreId, index, active, openerTabId});
+  },
+
+  reloadPageInContainer(url, currentUserContextId, userContextId, index, active, neverAsk = false, openerTabId = null) {
+    const cookieStoreId = backgroundLogic.cookieStoreId(userContextId);
+    const loadPage = browser.extension.getURL("confirm-page.html");
+    // False represents assignment is not permitted
+    // If the user has explicitly checked "Never Ask Again" on the warning page we will send them straight there
+    if (neverAsk) {
+      return browser.tabs.create({url, cookieStoreId, index, active, openerTabId});
+    } else {
+      let confirmUrl = `${loadPage}?url=${this.encodeURLProperty(url)}&cookieStoreId=${cookieStoreId}`;
+      let currentCookieStoreId;
+      if (currentUserContextId) {
+        currentCookieStoreId = backgroundLogic.cookieStoreId(currentUserContextId);
+        confirmUrl += `&currentCookieStoreId=${currentCookieStoreId}`;
+      }
+      return browser.tabs.create({
+        url: confirmUrl,
+        cookieStoreId: currentCookieStoreId,
+        openerTabId,
+        index,
+        active
+      }).then(() => {
+        // We don't want to sync this URL ever nor clutter the users history
+        browser.history.deleteUrl({url: confirmUrl});
+      }).catch((e) => {
+        throw e;
+      });
+    }
+  },
+
+  async initBookmarksMenu() {
+    browser.contextMenus.create({
+      id: this.OPEN_IN_CONTAINER,
+      title: "Open Bookmark in Container Tab",
+      contexts: ["bookmark"],
+    });
+
+    const identities = await browser.contextualIdentities.query({});
+    for (const identity of identities) {
+      browser.contextMenus.create({
+        parentId: this.OPEN_IN_CONTAINER,
+        id: identity.cookieStoreId,
+        title: identity.name,
+        icons: { "16": `img/usercontext.svg#${identity.icon}` }
+      });
+    }
+  },
+
+  async removeBookmarksMenu() {
+    browser.contextMenus.remove(this.OPEN_IN_CONTAINER);
+    const identities = await browser.contextualIdentities.query({});
+    for (const identity of identities) {
+      browser.contextMenus.remove(identity.cookieStoreId);
+    }
+  },
+};
+
+assignManager.init();
@@ -0,0 +1,366 @@
+const DEFAULT_TAB = "about:newtab";
+const backgroundLogic = {
+  NEW_TAB_PAGES: new Set([
+    "about:startpage",
+    "about:newtab",
+    "about:home",
+    "about:blank"
+  ]),
+  NUMBER_OF_KEYBOARD_SHORTCUTS: 10,
+  unhideQueue: [],
+  init() {
+    browser.commands.onCommand.addListener(function (command) {
+      for (let i=0; i < backgroundLogic.NUMBER_OF_KEYBOARD_SHORTCUTS; i++) {
+        const key = "open_container_" + i;
+        const cookieStoreId = identityState.keyboardShortcut[key];
+        if (command === key) {
+          if (cookieStoreId === "none") return;
+          browser.tabs.create({cookieStoreId});
+        }
+      }
+    });
+  },
+
+  async getExtensionInfo() {
+    const manifestPath = browser.extension.getURL("manifest.json");
+    const response = await fetch(manifestPath);
+    const extensionInfo = await response.json();
+    return extensionInfo;
+  },
+
+  getUserContextIdFromCookieStoreId(cookieStoreId) {
+    if (!cookieStoreId) {
+      return false;
+    }
+    const container = cookieStoreId.replace("firefox-container-", "");
+    if (container !== cookieStoreId) {
+      return container;
+    }
+    return false;
+  },
+
+  async deleteContainer(userContextId, removed = false) {
+    await this._closeTabs(userContextId);
+    if (!removed) {
+      await browser.contextualIdentities.remove(this.cookieStoreId(userContextId));
+    }
+    assignManager.deleteContainer(userContextId);
+    return {done: true, userContextId};
+  },
+
+  async createOrUpdateContainer(options) {
+    let donePromise;
+    if (options.userContextId !== "new") {
+      donePromise = browser.contextualIdentities.update(
+        this.cookieStoreId(options.userContextId),
+        options.params
+      );
+    } else {
+      donePromise = browser.contextualIdentities.create(options.params);
+    }
+    await donePromise;
+  },
+
+  async openNewTab(options) {
+    let url = options.url || undefined;
+    const userContextId = ("userContextId" in options) ? options.userContextId : 0;
+    const active = ("nofocus" in options) ? options.nofocus : true;
+    const discarded = ("noload" in options) ? options.noload : false;
+
+    const cookieStoreId = backgroundLogic.cookieStoreId(userContextId);
+    // Autofocus url bar will happen in 54: https://bugzilla.mozilla.org/show_bug.cgi?id=1295072
+
+    // We can't open new tab pages, so open a blank tab. Used in tab un-hide
+    if (this.NEW_TAB_PAGES.has(url)) {
+      url = undefined;
+    }
+
+    if (!this.isPermissibleURL(url)) {
+      return;
+    }
+
+    return browser.tabs.create({
+      url,
+      active,
+      discarded,
+      pinned: options.pinned || false,
+      cookieStoreId
+    });
+  },
+
+  isPermissibleURL(url) {
+    const protocol = new URL(url).protocol;
+    // We can't open these we just have to throw them away
+    if (protocol === "about:"
+        || protocol === "chrome:"
+        || protocol === "moz-extension:") {
+      return false;
+    }
+    return true;
+  },
+
+  checkArgs(requiredArguments, options, methodName) {
+    requiredArguments.forEach((argument) => {
+      if (!(argument in options)) {
+        return new Error(`${methodName} must be called with ${argument} argument.`);
+      }
+    });
+  },
+
+  async getTabs(options) {
+    const requiredArguments = ["cookieStoreId", "windowId"];
+    this.checkArgs(requiredArguments, options, "getTabs");
+    const { cookieStoreId, windowId } = options;
+
+    const list = [];
+    const tabs = await browser.tabs.query({
+      cookieStoreId,
+      windowId
+    });
+    tabs.forEach((tab) => {
+      list.push(identityState._createTabObject(tab));
+    });
+
+    const containerState = await identityState.storageArea.get(cookieStoreId);
+    return list.concat(containerState.hiddenTabs);
+  },
+
+  async unhideContainer(cookieStoreId, alreadyShowingUrl) {
+    if (!this.unhideQueue.includes(cookieStoreId)) {
+      this.unhideQueue.push(cookieStoreId);
+      await this.showTabs({
+        cookieStoreId,
+        alreadyShowingUrl
+      });
+      this.unhideQueue.splice(this.unhideQueue.indexOf(cookieStoreId), 1);
+    }
+  },
+
+  // https://github.com/mozilla/multi-account-containers/issues/847
+  async addRemoveSiteIsolation(cookieStoreId, remove = false) {
+    const containerState = await identityState.storageArea.get(cookieStoreId);
+    try {
+      if ("isIsolated" in containerState || remove) {
+        delete containerState.isIsolated;
+      } else {
+        containerState.isIsolated = "locked";        
+      }
+      return await identityState.storageArea.set(cookieStoreId, containerState);
+    } catch (error) {
+      console.error(`No container: ${cookieStoreId}`);
+    }
+  },
+
+  async moveTabsToWindow(options) {
+    const requiredArguments = ["cookieStoreId", "windowId"];
+    this.checkArgs(requiredArguments, options, "moveTabsToWindow");
+    const { cookieStoreId, windowId } = options;
+
+    const list = await browser.tabs.query({
+      cookieStoreId,
+      windowId
+    });
+
+    const containerState = await identityState.storageArea.get(cookieStoreId);
+
+    // Nothing to do
+    if (list.length === 0 &&
+        containerState.hiddenTabs.length === 0) {
+      return;
+    }
+    let newWindowObj;
+    let hiddenDefaultTabToClose;
+    if (list.length) {
+      newWindowObj = await browser.windows.create();
+
+      // Pin the default tab in the new window so existing pinned tabs can be moved after it.
+      // From the docs (https://developer.mozilla.org/en-US/Add-ons/WebExtensions/API/tabs/move):
+      //   Note that you can't move pinned tabs to a position after any unpinned tabs in a window, or move any unpinned tabs to a position before any pinned tabs.
+      await browser.tabs.update(newWindowObj.tabs[0].id, { pinned: true });
+
+      browser.tabs.move(list.map((tab) => tab.id), {
+        windowId: newWindowObj.id,
+        index: -1
+      });
+    } else {
+      //As we get a blank tab here we will need to await the tabs creation
+      newWindowObj = await browser.windows.create({
+      });
+      hiddenDefaultTabToClose = true;
+    }
+
+    const showHiddenPromises = [];
+
+    // Let's show the hidden tabs.
+    if (!this.unhideQueue.includes(cookieStoreId)) {
+      this.unhideQueue.push(cookieStoreId);
+      for (let object of containerState.hiddenTabs) { // eslint-disable-line prefer-const
+        showHiddenPromises.push(browser.tabs.create({
+          url: object.url || DEFAULT_TAB,
+          windowId: newWindowObj.id,
+          cookieStoreId
+        }));
+      }
+    }
+
+    if (hiddenDefaultTabToClose) {
+      // Lets wait for hidden tabs to show before closing the others
+      await showHiddenPromises;
+    }
+
+    containerState.hiddenTabs = [];
+
+    // Let's close all the normal tab in the new window. In theory it
+    // should be only the first tab, but maybe there are addons doing
+    // crazy stuff.
+    const tabs = await browser.tabs.query({windowId: newWindowObj.id});
+    for (let tab of tabs) { // eslint-disable-line prefer-const
+      if (tab.cookieStoreId !== cookieStoreId) {
+        browser.tabs.remove(tab.id);
+      }
+    }
+    const rv = await identityState.storageArea.set(cookieStoreId, containerState);
+    this.unhideQueue.splice(this.unhideQueue.indexOf(cookieStoreId), 1);
+    return rv;
+  },
+
+  async _closeTabs(userContextId, windowId = false) {
+    const cookieStoreId = this.cookieStoreId(userContextId);
+    let tabs;
+    /* if we have no windowId we are going to close all this container (used for deleting) */
+    if (windowId !== false) {
+      tabs = await browser.tabs.query({
+        cookieStoreId,
+        windowId
+      });
+    } else {
+      tabs = await browser.tabs.query({
+        cookieStoreId
+      });
+    }
+    const tabIds = tabs.map((tab) => tab.id);
+    return browser.tabs.remove(tabIds);
+  },
+
+  async queryIdentitiesState(windowId) {
+    const identities = await browser.contextualIdentities.query({});
+    const identitiesOutput = {};
+    const identitiesPromise = identities.map(async (identity) => {
+      const { cookieStoreId } = identity;
+      const containerState = await identityState.storageArea.get(cookieStoreId);
+      const openTabs = await browser.tabs.query({
+        cookieStoreId,
+        windowId
+      });
+      identitiesOutput[cookieStoreId] = {
+        hasHiddenTabs: !!containerState.hiddenTabs.length,
+        hasOpenTabs: !!openTabs.length,
+        numberOfHiddenTabs: containerState.hiddenTabs.length,
+        numberOfOpenTabs: openTabs.length,
+        isIsolated: !!containerState.isIsolated
+      };
+      return;
+    });
+    await Promise.all(identitiesPromise);
+    return identitiesOutput;
+  },
+
+  async sortTabs() {
+    const windows = await browser.windows.getAll();
+    for (let windowObj of windows) { // eslint-disable-line prefer-const
+      // First the pinned tabs, then the normal ones.
+      await this._sortTabsInternal(windowObj, true);
+      await this._sortTabsInternal(windowObj, false);
+    }
+  },
+
+  async _sortTabsInternal(windowObj, pinnedTabs) {
+    const tabs = await browser.tabs.query({windowId: windowObj.id});
+    let pos = 0;
+
+    // Let's collect UCIs/tabs for this window.
+    const map = new Map;
+    for (const tab of tabs) {
+      if (pinnedTabs && !tab.pinned) {
+        // We don't have, or we already handled all the pinned tabs.
+        break;
+      }
+
+      if (!pinnedTabs && tab.pinned) {
+        // pinned tabs must be consider as taken positions.
+        ++pos;
+        continue;
+      }
+
+      const userContextId = backgroundLogic.getUserContextIdFromCookieStoreId(tab.cookieStoreId);
+      if (!map.has(userContextId)) {
+        map.set(userContextId, []);
+      }
+      map.get(userContextId).push(tab);
+    }
+
+    // Let's sort the map.
+    const sortMap = new Map([...map.entries()].sort((a, b) => a[0] > b[0]));
+
+    // Let's move tabs.
+    sortMap.forEach(tabs => {
+      for (const tab of tabs) {
+        ++pos;
+        browser.tabs.move(tab.id, {
+          windowId: windowObj.id,
+          index: pos
+        });
+      }
+    });
+  },
+
+  async hideTabs(options) {
+    const requiredArguments = ["cookieStoreId", "windowId"];
+    this.checkArgs(requiredArguments, options, "hideTabs");
+    const { cookieStoreId, windowId } = options;
+
+    const userContextId = backgroundLogic.getUserContextIdFromCookieStoreId(cookieStoreId);
+
+    const containerState = await identityState.storeHidden(cookieStoreId, windowId);
+    await this._closeTabs(userContextId, windowId);
+    return containerState;
+  },
+
+  async showTabs(options) {
+    if (!("cookieStoreId" in options)) {
+      return Promise.reject("showTabs must be called with cookieStoreId argument.");
+    }
+
+    const userContextId = backgroundLogic.getUserContextIdFromCookieStoreId(options.cookieStoreId);
+    const promises = [];
+
+    const containerState = await identityState.storageArea.get(options.cookieStoreId);
+
+    for (let object of containerState.hiddenTabs) { // eslint-disable-line prefer-const
+      // do not show already opened url
+      const noload = !object.pinned;
+      if (object.url !== options.alreadyShowingUrl) {
+        promises.push(this.openNewTab({
+          userContextId: userContextId,
+          url: object.url,
+          nofocus: options.nofocus || false,
+          noload: noload,
+          pinned: object.pinned,
+        }));
+      }
+    }
+
+    containerState.hiddenTabs = [];
+
+    await Promise.all(promises);
+    return identityState.storageArea.set(options.cookieStoreId, containerState);
+  },
+
+  cookieStoreId(userContextId) {
+    if(userContextId === 0) return "firefox-default";
+    return `firefox-container-${userContextId}`;
+  }
+};
+
+
+backgroundLogic.init();
@@ -0,0 +1,20 @@
+const MAJOR_VERSIONS = ["2.3.0", "2.4.0", "6.2.0"];
+const badge = {
+  async init() {
+    const currentWindow = await browser.windows.getCurrent();
+    this.displayBrowserActionBadge(currentWindow);
+  },
+
+  async displayBrowserActionBadge() {
+    const extensionInfo = await backgroundLogic.getExtensionInfo();
+    const storage = await browser.storage.local.get({ browserActionBadgesClicked: [] });
+
+    if (MAJOR_VERSIONS.indexOf(extensionInfo.version) > -1 &&
+      storage.browserActionBadgesClicked.indexOf(extensionInfo.version) < 0) {
+      browser.browserAction.setBadgeBackgroundColor({ color: "rgba(0,217,0,255)" });
+      browser.browserAction.setBadgeText({ text: "NEW" });
+    }
+  }
+};
+
+badge.init();
@@ -0,0 +1,194 @@
+window.identityState = {
+  keyboardShortcut: {},
+  storageArea: {
+    area: browser.storage.local,
+
+    getContainerStoreKey(cookieStoreId) {
+      const storagePrefix = "identitiesState@@_";
+      return `${storagePrefix}${cookieStoreId}`;
+    },
+
+    async get(cookieStoreId) {
+      const storeKey = this.getContainerStoreKey(cookieStoreId);
+      const storageResponse = await this.area.get([storeKey]);
+      if (storageResponse && storeKey in storageResponse) {
+        if (!storageResponse[storeKey].macAddonUUID){
+          storageResponse[storeKey].macAddonUUID = uuidv4();
+          await this.set(cookieStoreId, storageResponse[storeKey]);
+        }
+        return storageResponse[storeKey];
+      }
+      // If local storage doesn't have an entry, look it up to make sure it's
+      // an in-use identity.
+      const identities = await browser.contextualIdentities.query({});
+      const match = identities.find(
+        (identity) => identity.cookieStoreId === cookieStoreId);
+      if (match) {
+        const defaultContainerState = identityState._createIdentityState();
+        await this.set(cookieStoreId, defaultContainerState);
+        return defaultContainerState;
+      }
+      return false;
+    },
+
+    set(cookieStoreId, data) {
+      const storeKey = this.getContainerStoreKey(cookieStoreId);
+      return this.area.set({
+        [storeKey]: data
+      });
+    },
+
+    async remove(cookieStoreId) {
+      const storeKey = this.getContainerStoreKey(cookieStoreId);
+      return this.area.remove([storeKey]);
+    },
+
+    async setKeyboardShortcut(shortcutId, cookieStoreId) {
+      identityState.keyboardShortcut[shortcutId] = cookieStoreId;
+      return this.area.set({[shortcutId]: cookieStoreId});
+    },
+
+    async loadKeyboardShortcuts () {
+      const identities = await browser.contextualIdentities.query({});
+      for (let i=0; i < backgroundLogic.NUMBER_OF_KEYBOARD_SHORTCUTS; i++) {
+        const key = "open_container_" + i;
+        const storageObject = await this.area.get(key);
+        if (storageObject[key]){
+          identityState.keyboardShortcut[key] = storageObject[key];
+          continue;
+        }
+        if (identities[i]) {
+          identityState.keyboardShortcut[key] = identities[i].cookieStoreId;
+          continue;
+        }
+        identityState.keyboardShortcut[key] = "none";
+      }
+      return identityState.keyboardShortcut;
+    },
+
+    /*
+     * Looks for abandoned identity keys in local storage, and makes sure all
+     * identities registered in the browser are also in local storage. (this
+     * appears to not always be the case based on how this.get() is written)
+     */
+    async upgradeData() {
+      const identitiesList = await browser.contextualIdentities.query({});
+
+      for (const identity of identitiesList) {
+        // ensure all identities have an entry in local storage
+        await identityState.addUUID(identity.cookieStoreId);
+      }
+      
+      const macConfigs = await this.area.get();
+      for(const configKey of Object.keys(macConfigs)) {
+        if (configKey.includes("identitiesState@@_")) {
+          const cookieStoreId = String(configKey).replace(/^identitiesState@@_/, "");
+          const match = identitiesList.find(
+            localIdentity => localIdentity.cookieStoreId === cookieStoreId
+          );
+          if (cookieStoreId === "firefox-default") continue;
+          if (!match) {
+            await this.remove(cookieStoreId);
+            continue;
+          }
+          if (!macConfigs[configKey].macAddonUUID) {
+            await identityState.storageArea.get(cookieStoreId);
+          }
+        }
+      }
+    },
+
+  },
+
+  _createTabObject(tab) {
+    return Object.assign({}, tab);
+  },
+
+  async getCookieStoreIDuuidMap() {
+    const containers = {};
+    const identities = await browser.contextualIdentities.query({});
+    for(const identity of identities) {
+      const containerInfo = await this.storageArea.get(identity.cookieStoreId);
+      containers[identity.cookieStoreId] = containerInfo.macAddonUUID;
+    }
+    return containers;
+  },
+
+  async storeHidden(cookieStoreId, windowId) {
+    const containerState = await this.storageArea.get(cookieStoreId);
+    const tabsByContainer = await browser.tabs.query({cookieStoreId, windowId});
+    tabsByContainer.forEach((tab) => {
+      const tabObject = this._createTabObject(tab);
+      if (!backgroundLogic.isPermissibleURL(tab.url)) {
+        return;
+      }
+      // This tab is going to be closed. Let's mark this tabObject as
+      // non-active.
+      tabObject.active = false;
+      tabObject.hiddenState = true;
+      containerState.hiddenTabs.push(tabObject);
+    });
+
+    return this.storageArea.set(cookieStoreId, containerState);
+  },
+
+  async updateUUID(cookieStoreId, uuid) {
+    if (!cookieStoreId || !uuid) {
+      throw new Error ("cookieStoreId or uuid missing");
+    }
+    const containerState = await this.storageArea.get(cookieStoreId);
+    containerState.macAddonUUID = uuid;
+    await this.storageArea.set(cookieStoreId, containerState);
+    return uuid;
+  },
+
+  async addUUID(cookieStoreId) {
+    await this.storageArea.get(cookieStoreId);
+  },
+
+  async lookupMACaddonUUID(cookieStoreId) {
+    // This stays a lookup, because if the cookieStoreId doesn't 
+    // exist, this.get() will create it, which is not what we want.
+    const cookieStoreIdKey = cookieStoreId.includes("firefox-container-") ? 
+      cookieStoreId : "firefox-container-" + cookieStoreId;
+    const macConfigs = await this.storageArea.area.get();
+    for(const configKey of Object.keys(macConfigs)) {
+      if (configKey === this.storageArea.getContainerStoreKey(cookieStoreIdKey)) {
+        return macConfigs[configKey].macAddonUUID;
+      }
+    }
+    return false;
+  },
+
+  async lookupCookieStoreId(macAddonUUID) {
+    const macConfigs = await this.storageArea.area.get();
+    for(const configKey of Object.keys(macConfigs)) {
+      if (configKey.includes("identitiesState@@_")) {
+        if(macConfigs[configKey].macAddonUUID === macAddonUUID) {
+          return String(configKey).replace(/^identitiesState@@_/, "");
+        }
+      }
+    }
+    return false;
+  },
+
+  _createIdentityState() {
+    return {
+      hiddenTabs: [],
+      macAddonUUID: uuidv4()
+    };
+  },
+
+  init() {
+    this.storageArea.loadKeyboardShortcuts();
+  }
+};
+
+identityState.init();
+
+function uuidv4() {
+  // https://stackoverflow.com/questions/105034/create-guid-uuid-in-javascript
+  return ([1e7]+-1e3+-4e3+-8e3+-1e11).replace(/[018]/g, c =>
+    (c ^ crypto.getRandomValues(new Uint8Array(1))[0] & 15 >> c / 4).toString(16)
+  );
+}
@@ -0,0 +1,23 @@
+<html>
+  <head>
+    <meta charset="utf-8">
+  </head>
+  <body>
+ <!--
+    This didn't work for debugging in the manifest.
+    "scripts": [
+      "js/background/backgroundLogic.js",
+      "js/background/assignManager.js",
+      "js/background/badge.js",
+      "js/background/identityState.js",
+      "js/background/messageHandler.js",
+    ]
+-->
+    <script type="text/javascript" src="backgroundLogic.js"></script>
+    <script type="text/javascript" src="assignManager.js"></script>
+    <script type="text/javascript" src="badge.js"></script>
+    <script type="text/javascript" src="identityState.js"></script>
+    <script type="text/javascript" src="messageHandler.js"></script>
+    <script type="text/javascript" src="sync.js"></script>
+  </body>
+</html>
@@ -0,0 +1,256 @@
+const messageHandler = {
+  // After the timer completes we assume it's a tab the user meant to keep open
+  // We use this to catch redirected tabs that have just opened
+  // If this were in platform we would change how the tab opens based on "new tab" link navigations such as ctrl+click
+  LAST_CREATED_TAB_TIMER: 2000,
+
+  init() {
+    // Handles messages from webextension code
+    browser.runtime.onMessage.addListener(async (m) => {
+      let response;
+      let tab;
+
+      switch (m.method) {
+      case "getShortcuts":
+        response = identityState.storageArea.loadKeyboardShortcuts();
+        break;
+      case "setShortcut":
+        identityState.storageArea.setKeyboardShortcut(m.shortcut, m.cookieStoreId);
+        break;
+      case "resetSync":
+        response = sync.resetSync();
+        break;
+      case "resetBookmarksContext":
+        response = assignManager.resetBookmarksMenuItem();
+        break;
+      case "deleteContainer":
+        response = backgroundLogic.deleteContainer(m.message.userContextId);
+        break;
+      case "createOrUpdateContainer":
+        response = backgroundLogic.createOrUpdateContainer(m.message);
+        break;
+      case "neverAsk":
+        assignManager._neverAsk(m);
+        break;
+      case "addRemoveSiteIsolation":
+        response = backgroundLogic.addRemoveSiteIsolation(m.cookieStoreId);
+        break;
+      case "getAssignment":
+        response = browser.tabs.get(m.tabId).then((tab) => {
+          return assignManager._getAssignment(tab);
+        });
+        break;
+      case "getAssignmentObjectByContainer":
+        response = assignManager._getByContainer(m.message.userContextId);
+        break;
+      case "setOrRemoveAssignment":
+        // m.tabId is used for where to place the in content message
+        // m.url is the assignment to be removed/added
+        response = assignManager._setOrRemoveAssignment(m.tabId, m.url, m.userContextId, m.value);
+        break;
+      case "sortTabs":
+        backgroundLogic.sortTabs();
+        break;
+      case "showTabs":
+        backgroundLogic.unhideContainer(m.cookieStoreId);
+        break;
+      case "hideTabs":
+        backgroundLogic.hideTabs({
+          cookieStoreId: m.cookieStoreId,
+          windowId: m.windowId
+        });
+        break;
+      case "checkIncompatibleAddons":
+        // TODO
+        break;
+      case "moveTabsToWindow":
+        response = backgroundLogic.moveTabsToWindow({
+          cookieStoreId: m.cookieStoreId,
+          windowId: m.windowId
+        });
+        break;
+      case "getTabs":
+        response = backgroundLogic.getTabs({
+          cookieStoreId: m.cookieStoreId,
+          windowId: m.windowId
+        });
+        break;
+      case "queryIdentitiesState":
+        response = backgroundLogic.queryIdentitiesState(m.message.windowId);
+        break;
+      case "exemptContainerAssignment":
+        response = assignManager._exemptTab(m);
+        break;
+      case "reloadInContainer":
+        response = assignManager.reloadPageInContainer(
+          m.url, 
+          m.currentUserContextId, 
+          m.newUserContextId, 
+          m.tabIndex, 
+          m.active,
+          true
+        );
+        break;
+      case "assignAndReloadInContainer":
+        tab = await assignManager.reloadPageInContainer(
+          m.url, 
+          m.currentUserContextId, 
+          m.newUserContextId, 
+          m.tabIndex, 
+          m.active,
+          true
+        );
+        // m.tabId is used for where to place the in content message
+        // m.url is the assignment to be removed/added
+        response = browser.tabs.get(tab.id).then((tab) => {
+          return assignManager._setOrRemoveAssignment(tab.id, m.url, m.newUserContextId, m.value);
+        });
+        break;
+      }
+      return response;
+    });
+
+    // Handles external messages from webextensions
+    const externalExtensionAllowed = {};
+    browser.runtime.onMessageExternal.addListener(async (message, sender) => {
+      if (!externalExtensionAllowed[sender.id]) {
+        const extensionInfo = await browser.management.get(sender.id);
+        if (!extensionInfo.permissions.includes("contextualIdentities")) {
+          throw new Error("Missing contextualIdentities permission");
+        }
+        // eslint-disable-next-line require-atomic-updates
+        externalExtensionAllowed[sender.id] = true;
+      }
+      let response;
+      switch (message.method) {
+      case "getAssignment":
+        if (typeof message.url === "undefined") {
+          throw new Error("Missing message.url");
+        }
+        response = assignManager.storageArea.get(message.url);
+        break;
+      default:
+        throw new Error("Unknown message.method");
+      }
+      return response;
+    });
+    // Delete externalExtensionAllowed if add-on installs/updates; permissions might change
+    browser.management.onInstalled.addListener(extensionInfo => {
+      if (externalExtensionAllowed[extensionInfo.id]) {
+        delete externalExtensionAllowed[extensionInfo.id];
+      }
+    });
+    // Delete externalExtensionAllowed if add-on uninstalls; not needed anymore
+    browser.management.onUninstalled.addListener(extensionInfo => {
+      if (externalExtensionAllowed[extensionInfo.id]) {
+        delete externalExtensionAllowed[extensionInfo.id];
+      }
+    });
+
+    if (browser.contextualIdentities.onRemoved) {
+      browser.contextualIdentities.onRemoved.addListener(({contextualIdentity}) => {
+        const userContextId = backgroundLogic.getUserContextIdFromCookieStoreId(contextualIdentity.cookieStoreId);
+        backgroundLogic.deleteContainer(userContextId, true);
+      });
+    }
+
+    browser.tabs.onActivated.addListener((info) => {
+      assignManager.removeContextMenu();
+      browser.tabs.get(info.tabId).then((tab) => {
+        assignManager.calculateContextMenu(tab);
+      }).catch((e) => {
+        throw e;
+      });
+    });
+
+    browser.windows.onFocusChanged.addListener((windowId) => {
+      this.onFocusChangedCallback(windowId);
+    });
+
+    browser.webRequest.onCompleted.addListener((details) => {
+      if (details.frameId !== 0 || details.tabId === -1) {
+        return {};
+      }
+      assignManager.removeContextMenu();
+
+      browser.tabs.get(details.tabId).then((tab) => {
+        assignManager.calculateContextMenu(tab);
+      }).catch((e) => {
+        throw e;
+      });
+    }, {urls: ["<all_urls>"], types: ["main_frame"]});
+
+    browser.tabs.onCreated.addListener((tab) => {
+      // lets remember the last tab created so we can close it if it looks like a redirect
+      this.lastCreatedTab = tab;
+      if (tab.cookieStoreId) {
+        // Don't count firefox-default, firefox-private, nor our own confirm page loads
+        if (tab.cookieStoreId !== "firefox-default" &&
+            tab.cookieStoreId !== "firefox-private" &&
+            !tab.url.startsWith("moz-extension")) {
+          // increment the counter of container tabs opened
+          this.incrementCountOfContainerTabsOpened();
+
+          this.tabUpdateHandler = (tabId, changeInfo) => {
+            if (tabId === tab.id && changeInfo.status === "complete") {
+              // get current tab's url to not open the same one from hidden tabs
+              browser.tabs.get(tabId).then(loadedTab => {
+                backgroundLogic.unhideContainer(tab.cookieStoreId, loadedTab.url);
+              }).catch((e) => {
+                throw e;
+              });
+
+              browser.tabs.onUpdated.removeListener(this.tabUpdateHandler);
+            }
+          };
+
+          // if it's a container tab wait for it to complete and
+          // unhide other tabs from this container
+          if (tab.cookieStoreId.startsWith("firefox-container")) {
+            browser.tabs.onUpdated.addListener(this.tabUpdateHandler);
+          }
+        }
+      }
+      setTimeout(() => {
+        this.lastCreatedTab = null;
+      }, this.LAST_CREATED_TAB_TIMER);
+    });
+  },
+
+  async incrementCountOfContainerTabsOpened() {
+    const key = "containerTabsOpened";
+    const count = await browser.storage.local.get({[key]: 0});
+    const countOfContainerTabsOpened = ++count[key];
+    browser.storage.local.set({[key]: countOfContainerTabsOpened});
+
+    // When the user opens their _ tab, give them the achievement
+    if (countOfContainerTabsOpened === 100) {
+      const storage = await browser.storage.local.get({achievements: []});
+      storage.achievements.push({"name": "manyContainersOpened", "done": false});
+      // use set and spread to create a unique array
+      const achievements = [...new Set(storage.achievements)];
+      browser.storage.local.set({achievements});
+      browser.browserAction.setBadgeBackgroundColor({color: "rgba(0,217,0,255)"});
+      browser.browserAction.setBadgeText({text: "NEW"});
+    }
+  },
+
+  async onFocusChangedCallback(windowId) {
+    assignManager.removeContextMenu();
+    // browserAction loses background color in new windows ...
+    // https://bugzil.la/1314674
+    // https://github.com/mozilla/testpilot-containers/issues/608
+    // ... so re-call displayBrowserActionBadge on window changes
+    badge.displayBrowserActionBadge();
+    browser.tabs.query({active: true, windowId}).then((tabs) => {
+      if (tabs && tabs[0]) {
+        assignManager.calculateContextMenu(tabs[0]);
+      }
+    }).catch((e) => {
+      throw e;
+    });
+  }
+};
+
+// Lets do this last as theme manager did a check before connecting before
+messageHandler.init();
@@ -0,0 +1,580 @@
+const SYNC_DEBUG = false;
+
+const sync = {
+  storageArea: {
+    area: browser.storage.sync,
+
+    async get(){
+      return this.area.get();
+    },
+
+    async set(options) {
+      return this.area.set(options);
+    },
+
+    async deleteIdentity(deletedIdentityUUID) {
+      const deletedIdentityList = 
+        await sync.storageArea.getDeletedIdentityList();
+      if (
+        ! deletedIdentityList.find(element => element === deletedIdentityUUID)
+      ) {
+        deletedIdentityList.push(deletedIdentityUUID);
+        await sync.storageArea.set({ deletedIdentityList });
+      }
+      await this.removeIdentityKeyFromSync(deletedIdentityUUID);
+    },
+
+    async removeIdentityKeyFromSync(deletedIdentityUUID) {
+      await sync.storageArea.area.remove( "identity@@_" + deletedIdentityUUID);
+    },
+
+    async deleteSite(siteStoreKey) {
+      const deletedSiteList = 
+        await sync.storageArea.getDeletedSiteList();
+      if (deletedSiteList.find(element => element === siteStoreKey)) return;
+      deletedSiteList.push(siteStoreKey);
+      await sync.storageArea.set({ deletedSiteList });
+      await sync.storageArea.area.remove(siteStoreKey);
+    },
+
+    async getDeletedIdentityList() {
+      const storedArray = await this.getStoredItem("deletedIdentityList");
+      return storedArray || [];
+    },
+
+    async getIdentities() {
+      const allSyncStorage = await this.get();
+      const identities = [];
+      for (const storageKey of Object.keys(allSyncStorage)) {
+        if (storageKey.includes("identity@@_")) {
+          identities.push(allSyncStorage[storageKey]);
+        }
+      }
+      return identities;
+    },
+
+    async getDeletedSiteList() { 
+      const storedArray = await this.getStoredItem("deletedSiteList");
+      return (storedArray) ?  storedArray : [];
+    },
+
+    async getAssignedSites() {
+      const allSyncStorage = await this.get();
+      const sites = {};
+      for (const storageKey of Object.keys(allSyncStorage)) {
+        if (storageKey.includes("siteContainerMap@@_")) {
+          sites[storageKey] = allSyncStorage[storageKey];
+        }
+      }
+      return sites;
+    },
+
+    async getStoredItem(objectKey) {
+      const outputObject = await this.get(objectKey);
+      if (outputObject && outputObject[objectKey]) 
+        return outputObject[objectKey];
+      return false;
+    },
+
+    async getAllInstanceInfo() {
+      const instanceList = {};
+      const allSyncInfo = await this.get();
+      for (const objectKey of Object.keys(allSyncInfo)) {
+        if (objectKey.includes("MACinstance")) {
+          instanceList[objectKey] = allSyncInfo[objectKey]; }
+      }
+      return instanceList;
+    },
+
+    getInstanceKey() {
+      return browser.runtime.getURL("")
+        .replace(/moz-extension:\/\//, "MACinstance:")
+        .replace(/\//, "");
+    },
+    async removeInstance(installUUID) {
+      if (SYNC_DEBUG) console.log("removing", installUUID);
+      await this.area.remove(installUUID);
+      return;
+    },
+
+    async removeThisInstanceFromSync() {
+      const installUUID = this.getInstanceKey();
+      await this.removeInstance(installUUID);
+      return;
+    },
+
+    async hasSyncStorage(){
+      const inSync = await this.get();
+      return !(Object.entries(inSync).length === 0);
+    },
+
+    async backup(options) {
+      // remove listeners to avoid an infinite loop!
+      await sync.checkForListenersMaybeRemove();
+
+      const identities = await updateSyncIdentities();
+      const siteAssignments = await updateSyncSiteAssignments();
+      await updateInstanceInfo(identities, siteAssignments);
+      if (options && options.uuid) 
+        await this.deleteIdentity(options.uuid);
+      if (options && options.undeleteUUID) 
+        await removeFromDeletedIdentityList(options.undeleteUUID);
+      if (options && options.siteStoreKey) 
+        await this.deleteSite(options.siteStoreKey);
+      if (options && options.undeleteSiteStoreKey) 
+        await removeFromDeletedSitesList(options.undeleteSiteStoreKey);
+
+      if (SYNC_DEBUG) console.log("Backed up!");
+      await sync.checkForListenersMaybeAdd();
+
+      async function updateSyncIdentities() {
+        const identities = await browser.contextualIdentities.query({});
+
+        for (const identity of identities) {
+          delete identity.colorCode;
+          delete identity.iconUrl;
+          identity.macAddonUUID = await identityState.lookupMACaddonUUID(identity.cookieStoreId);
+          if(identity.macAddonUUID) {
+            const storageKey = "identity@@_" + identity.macAddonUUID;
+            await sync.storageArea.set({ [storageKey]: identity });
+          }
+        }
+        //await sync.storageArea.set({ identities });
+        return identities;
+      }
+
+      async function updateSyncSiteAssignments() {
+        const assignedSites = 
+          await assignManager.storageArea.getAssignedSites();
+        for (const siteKey of Object.keys(assignedSites)) {
+          await sync.storageArea.set({ [siteKey]: assignedSites[siteKey] });
+        }
+        return assignedSites;
+      }
+
+      async function updateInstanceInfo(identitiesInput, siteAssignmentsInput) {
+        const date = new Date();
+        const timestamp = date.getTime();
+        const installUUID = sync.storageArea.getInstanceKey();
+        if (SYNC_DEBUG) console.log("adding", installUUID);
+        const identities = [];
+        const siteAssignments = [];
+        for (const identity of identitiesInput) {
+          identities.push(identity.macAddonUUID);
+        }
+        for (const siteAssignmentKey of Object.keys(siteAssignmentsInput)) {
+          siteAssignments.push(siteAssignmentKey);
+        }
+        await sync.storageArea.set({ [installUUID]: { timestamp, identities, siteAssignments } });
+      }
+
+      async function removeFromDeletedIdentityList(identityUUID) {
+        const deletedIdentityList = 
+          await sync.storageArea.getDeletedIdentityList();
+        const newDeletedIdentityList = deletedIdentityList
+          .filter(element => element !== identityUUID);
+        await sync.storageArea.set({ deletedIdentityList: newDeletedIdentityList });
+      }
+
+      async function removeFromDeletedSitesList(siteStoreKey) {
+        const deletedSiteList = 
+          await sync.storageArea.getDeletedSiteList();
+        const newDeletedSiteList = deletedSiteList
+          .filter(element => element !== siteStoreKey);
+        await sync.storageArea.set({ deletedSiteList: newDeletedSiteList });
+      }
+    },
+
+    onChangedListener(changes, areaName) {
+      if (areaName === "sync") sync.errorHandledRunSync();
+    },
+
+    async addToDeletedList(changeInfo) {
+      const identity = changeInfo.contextualIdentity;
+      const deletedUUID = 
+        await identityState.lookupMACaddonUUID(identity.cookieStoreId);
+      await identityState.storageArea.remove(identity.cookieStoreId);
+      sync.storageArea.backup({uuid: deletedUUID});
+    }
+  },
+
+  async init() {
+    const syncEnabled = await assignManager.storageArea.getSyncEnabled();
+    if (syncEnabled) {
+      // Add listener to sync storage and containers.
+      // Works for all installs that have any sync storage.
+      // Waits for sync storage change before kicking off the restore/backup
+      // initial sync must be kicked off by user.
+      this.checkForListenersMaybeAdd();
+      return;
+    }
+    this.checkForListenersMaybeRemove();
+
+  },
+
+  async errorHandledRunSync () {
+    await sync.runSync().catch( async (error)=> { 
+      if (SYNC_DEBUG) console.error("Error from runSync", error);
+      await sync.checkForListenersMaybeAdd();
+    });
+  },
+
+  async checkForListenersMaybeAdd() {
+    const hasStorageListener =  
+      await browser.storage.onChanged.hasListener(
+        sync.storageArea.onChangedListener
+      );
+
+    const hasCIListener = await sync.hasContextualIdentityListeners();
+
+    if (!hasCIListener) {
+      await sync.addContextualIdentityListeners();
+    }
+
+    if (!hasStorageListener) {
+      await browser.storage.onChanged.addListener(
+        sync.storageArea.onChangedListener);
+    }
+  },
+
+  async checkForListenersMaybeRemove() {
+    const hasStorageListener =  
+      await browser.storage.onChanged.hasListener(
+        sync.storageArea.onChangedListener
+      );
+
+    const hasCIListener = await sync.hasContextualIdentityListeners();
+            
+    if (hasCIListener) {
+      await sync.removeContextualIdentityListeners();
+    }
+
+    if (hasStorageListener) {
+      await browser.storage.onChanged.removeListener(
+        sync.storageArea.onChangedListener);
+    }
+  },
+
+  async runSync() {
+    if (SYNC_DEBUG) {
+      const syncInfo = await sync.storageArea.get();
+      const localInfo = await browser.storage.local.get();
+      const idents = await browser.contextualIdentities.query({});
+      console.log("Initial State:", {syncInfo, localInfo, idents});
+    }
+    await sync.checkForListenersMaybeRemove();
+    if (SYNC_DEBUG) console.log("runSync");
+
+    await identityState.storageArea.upgradeData();
+    await assignManager.storageArea.upgradeData();
+
+    const hasSyncStorage = await sync.storageArea.hasSyncStorage();
+    if (hasSyncStorage) await restore();
+
+    await sync.storageArea.backup();
+    await removeOldDeletedItems();
+    return;
+  },
+
+  async addContextualIdentityListeners() {
+    await browser.contextualIdentities.onCreated.addListener(sync.storageArea.backup);
+    await browser.contextualIdentities.onRemoved.addListener(sync.storageArea.addToDeletedList);
+    await browser.contextualIdentities.onUpdated.addListener(sync.storageArea.backup);
+  },
+
+  async removeContextualIdentityListeners() {
+    await browser.contextualIdentities.onCreated.removeListener(sync.storageArea.backup);
+    await browser.contextualIdentities.onRemoved.removeListener(sync.storageArea.addToDeletedList);
+    await browser.contextualIdentities.onUpdated.removeListener(sync.storageArea.backup);
+  },
+
+  async hasContextualIdentityListeners() {
+    return (
+      await browser.contextualIdentities.onCreated.hasListener(sync.storageArea.backup) &&
+      await browser.contextualIdentities.onRemoved.hasListener(sync.storageArea.addToDeletedList) &&
+      await browser.contextualIdentities.onUpdated.hasListener(sync.storageArea.backup)
+    );
+  },
+
+  async resetSync() {
+    const syncEnabled = await assignManager.storageArea.getSyncEnabled();
+    if (syncEnabled) {
+      this.errorHandledRunSync();
+      return;
+    }
+    await this.checkForListenersMaybeRemove();
+    await this.storageArea.removeThisInstanceFromSync();
+  }
+
+};
+
+// attaching to window for use in mocha tests
+window.sync = sync;
+
+sync.init();
+
+async function restore() {
+  if (SYNC_DEBUG) console.log("restore");
+  await reconcileIdentities();
+  await reconcileSiteAssignments();
+  return;
+}
+
+/*
+ * Checks for the container name. If it exists, they are assumed to be the
+ * same container, and the color and icon are overwritten from sync, if
+ * different.
+ */
+async function reconcileIdentities(){
+  if (SYNC_DEBUG) console.log("reconcileIdentities");
+
+  // first delete any from the deleted list
+  const deletedIdentityList =
+    await sync.storageArea.getDeletedIdentityList();
+  // first remove any deleted identities
+  for (const deletedUUID of deletedIdentityList) {
+    const deletedCookieStoreId = 
+      await identityState.lookupCookieStoreId(deletedUUID);
+    if (deletedCookieStoreId){
+      try{
+        await browser.contextualIdentities.remove(deletedCookieStoreId);
+      } catch (error) {
+        // if the identity we are deleting is not there, that's fine.
+        console.error("Error deleting contextualIdentity", deletedCookieStoreId);
+        continue;
+      }
+    }
+  }
+  const localIdentities = await browser.contextualIdentities.query({});
+  const syncIdentitiesRemoveDupes = 
+    await sync.storageArea.getIdentities();
+  // find any local dupes created on sync storage and delete from sync storage
+  for (const localIdentity of localIdentities) {
+    const syncIdentitiesOfName = syncIdentitiesRemoveDupes
+      .filter(identity => identity.name === localIdentity.name);
+    if (syncIdentitiesOfName.length > 1) {
+      const identityMatchingContextId = syncIdentitiesOfName
+        .find(identity => identity.cookieStoreId === localIdentity.cookieStoreId);
+      if (identityMatchingContextId) 
+        await sync.storageArea.removeIdentityKeyFromSync(identityMatchingContextId.macAddonUUID);
+    }
+  }
+  const syncIdentities = 
+    await sync.storageArea.getIdentities();
+  // now compare all containers for matching names.
+  for (const syncIdentity of syncIdentities) {
+    if (syncIdentity.macAddonUUID){
+      const localMatch = localIdentities.find(
+        localIdentity => localIdentity.name === syncIdentity.name
+      );
+      if (!localMatch) {
+        // if there's no name match found, check on uuid,
+        const localCookieStoreID = 
+          await identityState.lookupCookieStoreId(syncIdentity.macAddonUUID);
+        if (localCookieStoreID) {
+          await ifUUIDMatch(syncIdentity, localCookieStoreID);
+          continue;
+        }
+        await ifNoMatch(syncIdentity);
+        continue;
+      }
+
+      // Names match, so use the info from Sync
+      await updateIdentityWithSyncInfo(syncIdentity, localMatch);
+      continue;
+    }
+    // if no macAddonUUID, there is a problem with the sync info and it needs to be ignored.
+  }
+
+  await updateSiteAssignmentUUIDs();
+
+  async function updateSiteAssignmentUUIDs(){
+    const sites = assignManager.storageArea.getAssignedSites();
+    for (const siteKey of Object.keys(sites)) {
+      await assignManager.storageArea.set(siteKey, sites[siteKey]);
+    }
+  }
+}
+
+async function updateIdentityWithSyncInfo(syncIdentity, localMatch) {
+  // Sync is truth. if there is a match, compare data and update as needed
+  if (syncIdentity.color !== localMatch.color 
+      || syncIdentity.icon !== localMatch.icon) {
+    await browser.contextualIdentities.update(
+      localMatch.cookieStoreId, {
+        name: syncIdentity.name, 
+        color: syncIdentity.color, 
+        icon: syncIdentity.icon
+      });
+
+    if (SYNC_DEBUG) {
+      if (localMatch.color !== syncIdentity.color) {
+        console.log(localMatch.name, "Change color: ", syncIdentity.color);
+      }
+      if (localMatch.icon !== syncIdentity.icon) {
+        console.log(localMatch.name, "Change icon: ", syncIdentity.icon);
+      }
+    }
+  }
+  // Sync is truth. If all is the same, update the local uuid to match sync
+  if (localMatch.macAddonUUID !== syncIdentity.macAddonUUID) {
+    await identityState.updateUUID(
+      localMatch.cookieStoreId, 
+      syncIdentity.macAddonUUID
+    );
+  }
+  // TODOkmw: update any site assignment UUIDs
+}
+
+async function ifUUIDMatch(syncIdentity, localCookieStoreID) {
+  // if there's an identical local uuid, it's the same container. Sync is truth
+  const identityInfo = {
+    name: syncIdentity.name,
+    color: syncIdentity.color, 
+    icon: syncIdentity.icon
+  };
+  if (SYNC_DEBUG) {
+    try {
+      const getIdent = 
+            await browser.contextualIdentities.get(localCookieStoreID);
+      if (getIdent.name !== identityInfo.name) {
+        console.log(getIdent.name, "Change name: ", identityInfo.name);
+      }
+      if (getIdent.color !== identityInfo.color) {
+        console.log(getIdent.name, "Change color: ", identityInfo.color);
+      }
+      if (getIdent.icon !== identityInfo.icon) {
+        console.log(getIdent.name, "Change icon: ", identityInfo.icon);
+      }
+    } catch (error) {
+      //if this fails, there is probably differing sync info.
+      console.error("Error getting info on CI", error);
+    }
+  }
+  try {
+  // update the local container with the sync data
+    await browser.contextualIdentities
+      .update(localCookieStoreID, identityInfo);
+    return;
+  } catch (error) {
+    // If this fails, sync info is off.
+    console.error("Error udpating CI", error);
+  }
+}
+
+async function ifNoMatch(syncIdentity){
+  // if no uuid match either, make new identity
+  if (SYNC_DEBUG) console.log("create new ident: ", syncIdentity.name);
+  const newIdentity = 
+        await browser.contextualIdentities.create({
+          name: syncIdentity.name, 
+          color: syncIdentity.color, 
+          icon: syncIdentity.icon
+        });
+  await identityState.updateUUID(
+    newIdentity.cookieStoreId, 
+    syncIdentity.macAddonUUID
+  );
+  return;
+}
+/*
+ * Checks for site previously assigned. If it exists, and has the same
+ * container assignment, the assignment is kept. If it exists, but has
+ * a different assignment, the user is prompted (not yet implemented).
+ * If it does not exist, it is created.
+ */
+async function reconcileSiteAssignments() {
+  if (SYNC_DEBUG) console.log("reconcileSiteAssignments");
+  const assignedSitesLocal = 
+    await assignManager.storageArea.getAssignedSites();
+  const assignedSitesFromSync = 
+    await sync.storageArea.getAssignedSites();
+  const deletedSiteList = 
+    await sync.storageArea.getDeletedSiteList();
+  for(const siteStoreKey of deletedSiteList) {
+    if (Object.prototype.hasOwnProperty.call(assignedSitesLocal,siteStoreKey)) {
+      assignManager
+        .storageArea
+        .remove(siteStoreKey);
+    }
+  }
+
+  for(const urlKey of Object.keys(assignedSitesFromSync)) {
+    const assignedSite = assignedSitesFromSync[urlKey];
+    try{
+      if (assignedSite.identityMacAddonUUID) {
+      // Sync is truth.
+      // Not even looking it up. Just overwrite
+        if (SYNC_DEBUG){ 
+          const isInStorage = await assignManager.storageArea.getByUrlKey(urlKey);
+          if (!isInStorage)
+            console.log("new assignment ", assignedSite);
+        }
+
+        await setAssignmentWithUUID(assignedSite, urlKey);
+        continue;
+      }
+    } catch (error) {
+      // this is probably old or incorrect site info in Sync
+      // skip and move on.
+    }
+  }
+}
+
+const MILISECONDS_IN_THIRTY_DAYS = 2592000000;
+
+async function removeOldDeletedItems() {
+  const instanceList = await sync.storageArea.getAllInstanceInfo();
+  const deletedSiteList = await sync.storageArea.getDeletedSiteList();
+  const deletedIdentityList = await sync.storageArea.getDeletedIdentityList();
+
+  for (const instanceKey of Object.keys(instanceList)) {
+    const date = new Date();
+    const currentTimestamp = date.getTime();
+    if (instanceList[instanceKey].timestamp < currentTimestamp - MILISECONDS_IN_THIRTY_DAYS) {
+      delete instanceList[instanceKey];
+      sync.storageArea.removeInstance(instanceKey);
+      continue;
+    }
+  }
+  for (const siteStoreKey of deletedSiteList) {
+    let hasMatch = false;
+    for (const instance of Object.values(instanceList)) {
+      const match = instance.siteAssignments.find(element => element === siteStoreKey);
+      if (!match) continue;
+      hasMatch = true;
+    }
+    if (!hasMatch) {
+      await sync.storageArea.backup({undeleteSiteStoreKey: siteStoreKey});
+    }
+  }
+  for (const identityUUID of deletedIdentityList) {
+    let hasMatch = false;
+    for (const instance of Object.values(instanceList)) {
+      const match = instance.identities.find(element => element === identityUUID);
+      if (!match) continue;
+      hasMatch = true;
+    }
+    if (!hasMatch) {
+      await sync.storageArea.backup({undeleteUUID: identityUUID});
+    }
+  }
+}
+
+async function setAssignmentWithUUID(assignedSite, urlKey) {
+  const uuid = assignedSite.identityMacAddonUUID;
+  const cookieStoreId = await identityState.lookupCookieStoreId(uuid);
+  if (cookieStoreId) {
+    // eslint-disable-next-line require-atomic-updates
+    assignedSite.userContextId = cookieStoreId
+      .replace(/^firefox-container-/, "");
+    await assignManager.storageArea.set(
+      urlKey,
+      assignedSite,
+      false,
+      false
+    );
+    return;
+  }
+  throw new Error (`No cookieStoreId found for: ${uuid}, ${urlKey}`);
+}
@@ -0,0 +1,80 @@
+async function load() {
+  const searchParams = new URL(window.location).searchParams;
+  const redirectUrl = searchParams.get("url");
+  const cookieStoreId = searchParams.get("cookieStoreId");
+  const currentCookieStoreId = searchParams.get("currentCookieStoreId");
+  const redirectUrlElement = document.getElementById("redirect-url");
+  redirectUrlElement.textContent = redirectUrl;
+  appendFavicon(redirectUrl, redirectUrlElement);
+
+  const container = await browser.contextualIdentities.get(cookieStoreId);
+  [...document.querySelectorAll(".container-name")].forEach((containerNameElement) => {
+    containerNameElement.textContent = container.name;
+  });
+
+  // If default container, button will default to normal HTML content
+  if (currentCookieStoreId) {
+    const currentContainer = await browser.contextualIdentities.get(currentCookieStoreId);
+    document.getElementById("current-container-name").textContent = currentContainer.name;
+  }
+  document.getElementById("deny").addEventListener("click", (e) => {
+    e.preventDefault();
+    denySubmit(redirectUrl);
+  });
+
+  document.getElementById("confirm").addEventListener("click", (e) => {
+    e.preventDefault();
+    confirmSubmit(redirectUrl, cookieStoreId);
+  });
+}
+
+function appendFavicon(pageUrl, redirectUrlElement) {
+  const origin = new URL(pageUrl).origin;
+  const favIconElement = Utils.createFavIconElement(`${origin}/favicon.ico`);
+
+  redirectUrlElement.prepend(favIconElement);
+}
+
+function confirmSubmit(redirectUrl, cookieStoreId) {
+  const neverAsk = document.getElementById("never-ask").checked;
+  // Sending neverAsk message to background to store for next time we see this process
+  if (neverAsk) {
+    browser.runtime.sendMessage({
+      method: "neverAsk",
+      neverAsk: true,
+      pageUrl: redirectUrl
+    });
+  }
+  openInContainer(redirectUrl, cookieStoreId);
+}
+
+function getCurrentTab() {
+  return browser.tabs.query({
+    active: true,
+    windowId: browser.windows.WINDOW_ID_CURRENT
+  });
+}
+
+async function denySubmit(redirectUrl) {
+  const tab = await getCurrentTab();
+  await browser.runtime.sendMessage({
+    method: "exemptContainerAssignment",
+    tabId: tab[0].id,
+    pageUrl: redirectUrl
+  });
+  document.location.replace(redirectUrl);
+}
+
+load();
+
+async function openInContainer(redirectUrl, cookieStoreId) {
+  const tab = await getCurrentTab();
+  await browser.tabs.create({
+    index: tab[0].index + 1,
+    cookieStoreId,
+    url: redirectUrl
+  });
+  if (tab.length > 0) {
+    browser.tabs.remove(tab[0].id);
+  }
+}
@@ -0,0 +1,46 @@
+async function delayAnimation(delay = 350) {
+  return new Promise((resolve) => {
+    setTimeout(resolve, delay);
+  });
+}
+
+async function doAnimation(element, property, value) {
+  return new Promise((resolve) => {
+    const handler = () => {
+      resolve();
+      element.removeEventListener("transitionend", handler);
+    };
+    element.addEventListener("transitionend", handler);
+    window.requestAnimationFrame(() => {
+      element.style[property] = value;
+    });
+  });
+}
+
+async function addMessage(message) {
+  const divElement = document.createElement("div");
+  divElement.classList.add("container-notification");
+  // Ideally we would use https://bugzilla.mozilla.org/show_bug.cgi?id=1340930 when this is available
+  divElement.innerText = message.text;
+
+  const imageElement = document.createElement("img");
+  const imagePath = browser.extension.getURL("/img/container-site-d-24.png");
+  const response = await fetch(imagePath);
+  const blob = await response.blob();
+  const objectUrl = URL.createObjectURL(blob);
+  imageElement.src = objectUrl;
+  divElement.prepend(imageElement);
+
+  document.body.appendChild(divElement);
+
+  await delayAnimation(100);
+  await doAnimation(divElement, "transform", "translateY(0)");
+  await delayAnimation(3000);
+  await doAnimation(divElement, "transform", "translateY(-100%)");
+
+  divElement.remove();
+}
+
+browser.runtime.onMessage.addListener((message) => {
+  addMessage(message);
+});
@@ -0,0 +1,90 @@
+const NUMBER_OF_KEYBOARD_SHORTCUTS = 10;
+
+async function requestPermissions() {
+  const checkbox = document.querySelector("#bookmarksPermissions");
+  if (checkbox.checked) {
+    const granted = await browser.permissions.request({permissions: ["bookmarks"]});
+    if (!granted) { 
+      checkbox.checked = false; 
+      return;
+    }
+  } else {
+    await browser.permissions.remove({permissions: ["bookmarks"]});
+  }
+  browser.runtime.sendMessage({ method: "resetBookmarksContext" });
+}
+
+async function enableDisableSync() {
+  const checkbox = document.querySelector("#syncCheck");
+  if (checkbox.checked) {
+    await browser.storage.local.set({syncEnabled: true});
+  } else {
+    await browser.storage.local.set({syncEnabled: false});
+  }
+  browser.runtime.sendMessage({ method: "resetSync" });
+}
+
+async function setupOptions() {
+  const hasPermission = await browser.permissions.contains({permissions: ["bookmarks"]});
+  const { syncEnabled } = await browser.storage.local.get("syncEnabled");
+  if (hasPermission) {
+    document.querySelector("#bookmarksPermissions").checked = true;
+  }
+  if (syncEnabled) {
+    document.querySelector("#syncCheck").checked = true;
+  } else {
+    document.querySelector("#syncCheck").checked = false;
+  }
+  setupContainerShortcutSelects();
+}
+
+async function setupContainerShortcutSelects () {
+  const keyboardShortcut = await browser.runtime.sendMessage({method: "getShortcuts"});
+  const identities = await browser.contextualIdentities.query({});
+  const fragment = document.createDocumentFragment();
+  const noneOption = document.createElement("option");
+  noneOption.value = "none";
+  noneOption.id = "none";
+  noneOption.textContent = "None";
+  fragment.append(noneOption);
+
+  for (const identity of identities) {
+    const option = document.createElement("option");
+    option.value = identity.cookieStoreId;
+    option.id = identity.cookieStoreId;
+    option.textContent = identity.name;
+    fragment.append(option);
+  }
+
+  for (let i=0; i < NUMBER_OF_KEYBOARD_SHORTCUTS; i++) {
+    const shortcutKey = "open_container_"+i;
+    const shortcutSelect = document.getElementById(shortcutKey);
+    shortcutSelect.appendChild(fragment.cloneNode(true));
+    if (keyboardShortcut && keyboardShortcut[shortcutKey]) {
+      const cookieStoreId = keyboardShortcut[shortcutKey];
+      shortcutSelect.querySelector("#" + cookieStoreId).selected = true;
+    }
+  }
+}
+
+function storeShortcutChoice (event) {
+  browser.runtime.sendMessage({
+    method: "setShortcut",
+    shortcut: event.target.id,
+    cookieStoreId: event.target.value
+  });
+}
+
+function resetOnboarding() {
+  browser.storage.local.set({"onboarding-stage": 0});
+}
+
+document.addEventListener("DOMContentLoaded", setupOptions);
+document.querySelector("#bookmarksPermissions").addEventListener( "change", requestPermissions);
+document.querySelector("#syncCheck").addEventListener( "change", enableDisableSync);
+document.querySelector("button").addEventListener("click", resetOnboarding);
+
+for (let i=0; i < NUMBER_OF_KEYBOARD_SHORTCUTS; i++) {
+  document.querySelector("#open_container_"+i)
+    .addEventListener("change", storeShortcutChoice);
+}
@@ -0,0 +1,35 @@
+async function init() {
+  const fragment = document.createDocumentFragment();
+
+  const identities = await browser.contextualIdentities.query({});
+
+  identities.forEach(identity => {
+    const tr = document.createElement("tr");
+    tr.classList.add("menu-item", "hover-highlight");
+    const td = document.createElement("td");
+
+    td.innerHTML = Utils.escaped`          
+        <div class="menu-icon">
+          <div class="usercontext-icon"
+            data-identity-icon="${identity.icon}"
+            data-identity-color="${identity.color}">
+          </div>
+        </div>
+        <span class="menu-text">${identity.name}</span>`;
+    
+    tr.appendChild(td);
+    fragment.appendChild(tr);
+
+    Utils.addEnterHandler(tr, async () => {
+      Utils.alwaysOpenInContainer(identity);
+      window.close();
+    });
+  });
+
+  const list = document.querySelector("#picker-identities-list");
+
+  list.innerHTML = "";
+  list.appendChild(fragment);
+}
+
+init();
@@ -0,0 +1,128 @@
+const DEFAULT_FAVICON = "/img/blank-favicon.svg";
+
+// TODO use export here instead of globals
+const Utils = {
+
+  createFavIconElement(url) {
+    const imageElement = document.createElement("img");
+    imageElement.classList.add("icon", "offpage", "menu-icon");
+    imageElement.src = url;
+    const loadListener = (e) => {
+      e.target.classList.remove("offpage");
+      e.target.removeEventListener("load", loadListener);
+      e.target.removeEventListener("error", errorListener);
+    };
+    const errorListener = (e) => {
+      e.target.src = DEFAULT_FAVICON;
+    };
+    imageElement.addEventListener("error", errorListener);
+    imageElement.addEventListener("load", loadListener);
+    return imageElement;
+  },
+  /**
+ * Escapes any occurances of &, ", <, > or / with XML entities.
+ *
+ * @param {string} str
+ *        The string to escape.
+ * @return {string} The escaped string.
+ */
+  escapeXML(str) {
+    const replacements = { "&": "&amp;", "\"": "&quot;", "'": "&apos;", "<": "&lt;", ">": "&gt;", "/": "&#x2F;" };
+    return String(str).replace(/[&"'<>/]/g, m => replacements[m]);
+  },
+
+  /**
+ * A tagged template function which escapes any XML metacharacters in
+ * interpolated values.
+ *
+ * @param {Array<string>} strings
+ *        An array of literal strings extracted from the templates.
+ * @param {Array} values
+ *        An array of interpolated values extracted from the template.
+ * @returns {string}
+ *        The result of the escaped values interpolated with the literal
+ *        strings.
+ */
+  escaped(strings, ...values) {
+    const result = [];
+
+    for (const [i, string] of strings.entries()) {
+      result.push(string);
+      if (i < values.length)
+        result.push(this.escapeXML(values[i]));
+    }
+
+    return result.join("");
+  },
+
+  async currentTab() {
+    const activeTabs = await browser.tabs.query({ active: true, windowId: browser.windows.WINDOW_ID_CURRENT });
+    if (activeTabs.length > 0) {
+      return activeTabs[0];
+    }
+    return false;
+  },
+  
+  addEnterHandler(element, handler) {
+    element.addEventListener("click", (e) => {
+      handler(e);
+    });
+    element.addEventListener("keydown", (e) => {
+      if (e.keyCode === 13) {
+        e.preventDefault();
+        handler(e);
+      }
+    });
+  },
+
+  userContextId(cookieStoreId = "") {
+    const userContextId = cookieStoreId.replace("firefox-container-", "");
+    return (userContextId !== cookieStoreId) ? Number(userContextId) : false;
+  },
+
+  setOrRemoveAssignment(tabId, url, userContextId, value) {
+    return browser.runtime.sendMessage({
+      method: "setOrRemoveAssignment",
+      tabId,
+      url,
+      userContextId,
+      value
+    });
+  },
+
+  async reloadInContainer(url, currentUserContextId, newUserContextId, tabIndex, active) {
+    return await browser.runtime.sendMessage({
+      method: "reloadInContainer",
+      url, 
+      currentUserContextId, 
+      newUserContextId, 
+      tabIndex, 
+      active
+    });
+  },
+
+  async alwaysOpenInContainer(identity) {
+    const currentTab = await this.currentTab();
+    const assignedUserContextId = this.userContextId(identity.cookieStoreId);
+    if (currentTab.cookieStoreId !== identity.cookieStoreId) {
+      return await browser.runtime.sendMessage({
+        method: "assignAndReloadInContainer",
+        url: currentTab.url, 
+        currentUserContextId: false, 
+        newUserContextId: assignedUserContextId, 
+        tabIndex: currentTab.index +1, 
+        active:currentTab.active
+      });
+    }
+    await Utils.setOrRemoveAssignment(
+      currentTab.id, 
+      currentTab.url, 
+      assignedUserContextId, 
+      false
+    );
+  }
+
+};
+
+
+window.Utils = Utils;
@@ -0,0 +1,149 @@
+{
+  "manifest_version": 2,
+  "name": "Firefox Multi-Account Containers",
+  "version": "7.0.0",
+  "incognito": "not_allowed",
+  "description": "Multi-Account Containers helps you keep all the parts of your online life contained in different tabs. Custom labels and color-coded tabs help keep different activities — like online shopping, travel planning, or checking work email — separate.",
+  "icons": {
+    "48": "img/container-site-d-48.png",
+    "96": "img/container-site-d-96.png"
+  },
+  "applications": {
+    "gecko": {
+      "id": "@testpilot-containers",
+      "strict_min_version": "67.0"
+    }
+  },
+  "homepage_url": "https://github.com/mozilla/multi-account-containers#readme",
+  "permissions": [
+    "<all_urls>",
+    "activeTab",
+    "cookies",
+    "contextMenus",
+    "contextualIdentities",
+    "history",
+    "idle",
+    "management",
+    "storage",
+    "tabs",
+    "webRequestBlocking",
+    "webRequest"
+  ],
+  "optional_permissions": [
+    "bookmarks"
+  ],
+  "commands": {
+    "_execute_browser_action": {
+      "suggested_key": {
+        "default": "Ctrl+Period",
+        "mac": "MacCtrl+Period"
+      },
+      "description": "Open containers panel"
+    },
+    "open_container_0": {
+      "suggested_key": {
+        "default": "Ctrl+Shift+1"
+      },
+      "description": "Container Shortcut 1"
+    },
+    "open_container_1": {
+      "suggested_key": {
+        "default": "Ctrl+Shift+2"
+      },
+      "description": "Container Shortcut 2"
+    },
+    "open_container_2": {
+      "suggested_key": {
+        "default": "Ctrl+Shift+3"
+      },
+      "description": "Container Shortcut 3"
+    },
+    "open_container_3": {
+      "suggested_key": {
+        "default": "Ctrl+Shift+4"
+      },
+      "description": "Container Shortcut 4"
+    },
+    "open_container_4": {
+      "suggested_key": {
+        "default": "Ctrl+Shift+5"
+      },
+      "description": "Container Shortcut 5"
+    },
+    "open_container_5": {
+      "suggested_key": {
+        "default": "Ctrl+Shift+6"
+      },
+      "description": "Container Shortcut 6"
+    },
+    "open_container_6": {
+      "suggested_key": {
+        "default": "Ctrl+Shift+7"
+      },
+      "description": "Container Shortcut 7"
+    },
+    "open_container_7": {
+      "suggested_key": {
+        "default": "Ctrl+Shift+8"
+      },
+      "description": "Container Shortcut 8"
+    },
+    "open_container_8": {
+      "suggested_key": {
+        "default": "Ctrl+Shift+9"
+      },
+      "description": "Container Shortcut 9"
+    },
+    "open_container_9": {
+      "suggested_key": {
+        "default": "Ctrl+Shift+0"
+      },
+      "description": "Container Shortcut 10"
+    }
+  },
+  "browser_action": {
+    "browser_style": true,
+    "default_icon": "img/multiaccountcontainer-16.svg",
+    "default_title": "Multi-Account Containers",
+    "default_popup": "popup.html",
+    "theme_icons": [
+      {
+        "light": "img/multiaccountcontainer-16-dark.svg",
+        "dark": "img/multiaccountcontainer-16.svg",
+        "size": 32
+      }
+    ]
+  },
+  "page_action": {
+    "browser_style": true,
+    "default_icon": "img/container-openin-16.svg",
+    "default_title": "Always open this in a Container",
+    "default_popup": "pageActionPopup.html",
+    "pinned": false,
+    "show_matches": ["*://*/*"]
+  },
+  "background": {
+    "page": "js/background/index.html"
+  },
+  "content_scripts": [
+    {
+      "matches": [
+        "<all_urls>"
+      ],
+      "js": [
+        "js/content-script.js"
+      ],
+      "css": [
+        "css/content.css"
+      ],
+      "run_at": "document_start"
+    }
+  ],
+  "web_accessible_resources": [
+    "/img/container-site-d-24.png"
+  ],
+  "options_ui": {
+    "page": "options.html",
+    "browser_style": true
+  }
+}
@@ -0,0 +1,81 @@
+<!DOCTYPE html>
+
+<html>
+  <head>
+    <meta charset="utf-8">
+    <link rel="stylesheet" href="css/options.css">
+  </head>
+
+  <body>
+    <form>
+      <h3>Optional Permissions:</h3>
+      <label>
+        <input type="checkbox" id="bookmarksPermissions">
+        Enable Bookmark Menus
+      </label>
+      <p><em>This setting allows you to open a bookmark or folder of bookmarks in a container.</em></p>
+      <h3>Firefox Accounts Sync:</h3>
+      <label>
+        <input type="checkbox" id="syncCheck">
+        Enable Sync
+      </label>
+      <p><em>This setting allows you to sync your containers and site assignments across devices.</em></p>
+      <h3>Keyboard Shortcuts:</h3>
+      <p><em>Edit which container is opened when using the numbered shortcuts.</em></p>
+      <p><label>
+        Container to open with Keyboard Shortcut 1
+        <select id="open_container_0">
+        </select>
+      </label></p>
+      <p><label>
+        Container to open with Keyboard Shortcut 2
+        <select id="open_container_1">
+        </select>
+      </label></p>
+      <p><label>
+        Container to open with Keyboard Shortcut 3
+        <select id="open_container_2">
+        </select>
+      </label></p>
+      <p><label>
+        Container to open with Keyboard Shortcut 4
+        <select id="open_container_3">
+        </select>
+      </label></p>
+      <p><label>
+        Container to open with Keyboard Shortcut 5
+        <select id="open_container_4">
+        </select>
+      </label></p>
+      <p><label>
+        Container to open with Keyboard Shortcut 6
+        <select id="open_container_5">
+        </select>
+      </label></p>
+      <p><label>
+        Container to open with Keyboard Shortcut 7
+        <select id="open_container_6">
+        </select>
+      </label></p>
+      <p><label>
+        Container to open with Keyboard Shortcut 8
+        <select id="open_container_7">
+        </select>
+      </label></p>
+      <p><label>
+        Container to open with Keyboard Shortcut 9
+        <select id="open_container_8">
+        </select>
+      </label></p>
+      <p><label>
+        Container to open with Keyboard Shortcut 10
+        <select id="open_container_9">
+        </select>
+      </label></p>
+      <h3>Onboarding:</h3>
+      <button>Reset Onboarding Panels</button>
+      <p><em>Toggle this to see the onboarding panels again.</em></p>
+    </form>
+    <script src="js/options.js"></script>
+  </body>
+</html>
@@ -0,0 +1,34 @@
+<html>
+<head>
+  <meta http-equiv="content-type" content="text/html; charset=utf-8">
+  <title>Multi-Account Containers</title>
+  <link rel="stylesheet" type="text/css" href="css/popup.css">
+
+</head>
+<body>
+
+  <div class="page-action-container-picker" id="container-picker-panel">
+    <h3 class="title">
+      Always Open this Site in...
+    </h3>
+    <hr>
+    <div class="scrollable identities-list">
+      <table class="menu" id="picker-identities-list">
+        <tr class="menu-item hover-highlight">
+          <td>
+            <div class="menu-icon">
+              <div class="usercontext-icon"
+                data-identity-icon="pet"
+                data-identity-color="blue">
+              </div>
+            </div>
+            <span class="menu-text">Default</span>
+          </td>
+        </tr>
+      </table>
+    </div>
+  </div>
+  <script src="js/utils.js"></script>
+  <script src="js/pageAction.js"></script>
+</body>
+</html>
@@ -0,0 +1,361 @@
+<html>
+<head>
+  <meta http-equiv="content-type" content="text/html; charset=utf-8">
+  <title>Multi-Account Containers</title>
+  <link rel="stylesheet" href="css/popup.css">
+
+</head>
+<body>
+
+  <div class="hide panel onboarding onboarding-panel-1">
+    <img class="onboarding-img" alt="Container Tabs Overview" src="/img/onboarding-1.png" />
+    <h3 class="onboarding-title">A better way to manage all the things you do online</h3>
+    <p>
+      Use containers to organize tasks, manage accounts, and keep your focus where you want it.
+    </p>
+    <a href="#" class="onboarding-button onboarding-start-button" tabindex="0">Get Started</a>
+  </div>
+
+  <div class="hide panel onboarding security-onboarding-panel-1">
+    <img class="onboarding-img" alt="Container Tabs Overview" src="/img/onboarding-1.png" />
+    <h3 class="onboarding-title">A simple and secure way to manage your online life</h3>
+    <p>
+      Use containers to organize tasks, manage accounts, and store sensitive data.
+    </p>
+    <a href="#" class="onboarding-button onboarding-start-button" tabindex="0">Get Started</a>
+  </div>
+
+  <div class="panel onboarding onboarding-panel-2 hide">
+    <img class="onboarding-img" alt="How Containers Work" src="/img/onboarding-2.png" />
+    <h3 class="onboarding-title">Put containers to work for you.</h3>
+    <p>Features like color-coding and separate container tabs help you find things easily, focus your attention, and minimize distractions.</p>
+    <a href="#" class="onboarding-button onboarding-next-button" tabindex="0">Next</a>
+  </div>
+
+  <div class="panel onboarding security-onboarding-panel-2 hide">
+    <img class="onboarding-img" alt="How Containers Work" src="/img/onboarding-2.png" />
+    <h3 class="onboarding-title">Put containers to work for you.</h3>
+    <p>Color-coding helps you categorize your online life, find things easily, and minimize distractions.</p>
+    <a href="#" class="onboarding-button onboarding-next-button" tabindex="0">Next</a>
+  </div>
+
+  <div class="panel onboarding onboarding-panel-3 hide">
+    <img class="onboarding-img" alt="How Containers Work" src="/img/onboarding-3.png" />
+    <h3 class="onboarding-title">A place for everything, and everything in its place.</h3>
+    <p>Start with the containers we've created, or create your own.</p>
+    <a href="#" class="onboarding-button onboarding-almost-done-button" tabindex="0">Next</a>
+  </div>
+
+  <div class="panel onboarding security-onboarding-panel-3 hide">
+    <img class="onboarding-img" alt="How Containers Work" src="/img/onboarding-3-security.png" />
+    <h3 class="onboarding-title">Set boundaries for your browsing.</h3>
+    <p>Cookies are stored within a container, so you can segment sensitive data and browsing history to stay organized and to limit the impact of online trackers.</p>
+    <a href="#" class="onboarding-button onboarding-almost-done-button" tabindex="0">Next</a>
+  </div>
+
+  <div class="panel onboarding onboarding-panel-4 hide" id="onboarding-panel-4">
+    <img class="onboarding-img" alt="How to assign sites to containers" src="/img/onboarding-4.png" />
+    <h3 class="onboarding-title">Always open sites in the containers you want.</h3>
+    <p>Right-click inside a container tab to assign the site to always open in the container.</p>
+    <a href="#" id="onboarding-done-button" class="onboarding-button" tabindex="0">Next</a>
+  </div>
+
+  <div class="panel onboarding onboarding-panel-5 hide" id="onboarding-panel-5">
+    <img class="onboarding-img" alt="Long-press the New Tab button to create a new container tab." src="/img/onboarding-3.png" />
+    <h3 class="onboarding-title">Container tabs when you need them.</h3>
+    <p>Long-press the New Tab button to create a new container tab.</p>
+    <a href="#" id="onboarding-longpress-button" class="onboarding-button" tabindex="0">Next</a>
+  </div>
+
+  <div class="panel onboarding onboarding-panel-6 hide" id="onboarding-panel-6">
+    <img class="onboarding-img" alt="Syncing Containers is now Available!" src="/img/Sync.svg" />
+    <h3 class="onboarding-title">Syncing Containers is now Available!</h3>
+    <p>Turn on Sync to share container and site assignments with any computer connected to your Firefox Account.</p>
+    <div class="half-button-wrapper">
+      <a herf="#" id="no-sync" class="half-onboarding-button grey-button" tabindex="0">Not Now</a>
+      <a href="#" id="start-sync-button" class="half-onboarding-button" tabindex="0">Start Syncing</a>
+    </div>
+  </div>
+
+  <div class="panel onboarding onboarding-panel-7 hide" id="onboarding-panel-7">
+    <img class="onboarding-img" alt="Firefox Account is required to sync" src="/img/Account.svg" />
+    <h3 class="onboarding-title">Firefox Account is required to sync.</h3>
+    <p>Click Sign In to confirm that your Firefox Account is active.</p>
+    <div class="half-button-wrapper">
+      <a herf="#" id="no-sign-in" class="half-onboarding-button grey-button" tabindex="0">Not Now</a>
+      <a href="#" id="sign-in" class="half-onboarding-button" tabindex="0">Sign In</a>
+    </div>
+  </div>
+
+  <div class="panel achievement-panel hide" id="achievement-panel">
+    <img class="onboarding-img" alt="You achieved a Containers milestone!" src="/img/onboarding-3.png" />
+    <h3 class="onboarding-title">100 tabs!</h3>
+    <p>You've opened 100 Container tabs.</p>
+    <p>If you enjoy Containers, help us spread the word!</p>
+    <p class="share-ctas">
+      <a class="cta-link" href="https://mzl.la/2gJtIZ4" id="achievement-rate-button" target="_blank">
+        <span class="cta amo-rate-cta">
+          <img src="/img/amo-icon.svg" class="cta-icon" alt="addons.mozilla.org Icon">
+          Rate
+        </span>
+      </a>
+      <a class="cta-link" href="https://bit.ly/fb-share-mac-addon" target="_blank">
+        <span class="cta fb-share-cta">
+          <img src="/img/webicon-facebook.svg" class="cta-icon" alt="Facebook Icon">
+          Share
+        </span>
+      </a>
+      <a class="cta-link" href="http://bit.ly/tweet-100-tabs-mac-addon" target="_blank">
+        <span class="cta tweet-cta">
+          <img src="/img/webicon-twitter.svg" class="cta-icon" alt="Twitter Icon">
+          Tweet
+        </span>
+      </a>
+    </p>
+    <a href="#" id="achievement-done-button" class="onboarding-button">Done</a>
+  </div>
+
+  <div class="panel menu-panel container-panel hide" id="container-panel">
+    <h3 class="title">
+      Multi-Account Containers
+    </h3>
+    <a href="#" class="info-icon" id="info-icon" tabindex="10">
+      <img alt="info" src="/img/info-thin-16.svg" / >
+    </a>
+    <hr>
+    <table class="menu">
+      <tr class="menu-item hover-highlight" id="open-new-tab-in" tabindex="0">
+        <td>
+          <img class="menu-icon" alt="Open in New Tab" src="/img/tab-new-16.svg" />
+          <span class="menu-text">Open New Tab in...</span>
+            <span class="menu-arrow">
+              <img alt="Container Info" src="/img/arrow-icon-right.svg" />
+            </span>
+        </td>
+      </tr>
+      <tr class="menu-item hover-highlight" id="reopen-site-in" tabindex="0">
+        <td>
+          <img class="menu-icon" alt="Open in New Tab" src="/img/refresh-16.svg" />
+          <span class="menu-text">Reopen This Site in...</span>
+            <span class="menu-arrow">
+              <img alt="Container Info" src="/img/arrow-icon-right.svg" />
+            </span>
+        </td>
+      </tr>
+    </table>
+    <hr>
+    <table class="menu">
+      <tr class="menu-item hover-highlight" id="sort-containers-link" tabindex="0">
+        <td>
+          <img class="menu-icon" alt="Open in New Tab" src="/img/sort-16_1.svg" />
+          <span class="menu-text">Sort Tabs by Container</span>
+            <span class="menu-arrow">
+            </span>
+        </td>
+      </tr>
+      <tr class="menu-item hover-highlight" id="always-open-in" tabindex="0">
+        <td>
+          <img class="menu-icon" alt="Open in New Tab" src="/img/container-openin-16.svg" />
+          <span class="menu-text">Always Open This Site in...</span>
+            <span class="menu-arrow">
+              <img alt="Container Info" src="/img/arrow-icon-right.svg" />
+            </span>
+        </td>
+      </tr>
+    </table>
+    <hr>
+    <div class="sub-header">
+    Containers
+    </div>
+    <div class="scrollable identities-list">
+      <table class="menu" id="identities-list">
+        <tr class="menu-item hover-highlight">
+          <td>
+            <div class="menu-icon">
+              <div class="usercontext-icon"
+                data-identity-icon="pet"
+                data-identity-color="blue">
+              </div>
+            </div>
+            <span class="menu-text">Default</span>
+            <span class="menu-right-float">
+              <span class="container-count">22</span>
+              <span class="menu-arrow">
+                <img alt="Container Info" src="/img/arrow-icon-right.svg" />
+              </span>
+            </span>
+          </td>
+        </tr>
+      </table>
+    </div>
+    <div class="bottom-btn" id="manage-containers-link" tabindex="0">
+      Manage Containers
+    </div> 
+  </div>
+
+
+  <div class="hide panel menu-panel container-info-panel" id="container-info-panel" tabindex="-1">
+    <h3 class="title" id="container-info-title">
+      Personal
+    </h3>
+    <button class="btn-return arrow-left" id="close-container-info-panel" tabindex="0"></button>
+    <hr>
+    <table class="menu">
+      <tr class="menu-item hover-highlight" id="open-new-tab-in-info" tabindex="0">
+        <td>
+          <img class="menu-icon" alt="Open in New Tab" src="/img/tab-new-16.svg" />
+          <span class="menu-text">Open New Tab in this Container</span>
+            <span class="menu-arrow">
+            </span>
+        </td>
+      </tr>
+      <tr class="menu-item hover-highlight" id="hideorshow-container" tabindex="0">
+        <td>
+          <img id="container-info-hideorshow-icon" class="menu-icon" alt="Hide This Container" src="img/password-hide.svg" />
+          <span id="container-info-hideorshow-label" class="menu-text">Hide This Container</span>
+            <span class="menu-arrow">
+            </span>
+        </td>
+      </tr>
+      <tr class="menu-item hover-highlight" id="move-to-new-window" tabindex="0">
+        <td>
+          <img class="menu-icon" alt="Move Tabs to a New Window" src="/img/movetowindow-16.svg" />
+          <span class="menu-text">Move Tabs to a New Window</span>
+            <span class="menu-arrow">
+            </span>
+        </td>
+      </tr>
+      <tr class="menu-item hover-highlight hover-highlight" id="always-open" tabindex="0">
+        <td>
+          <img class="menu-icon" alt="Always Open Site in Container" src="/img/container-openin-16.svg" />
+          <span class="menu-text" id="always-open-in-info-panel">Always Open Site in Container</span>
+            <span class="menu-arrow">
+            </span>
+        </td>
+      </tr>
+    </table>
+    <hr>
+    <div class="sub-header">
+    Open Tabs
+    </div>
+    <div class="scrollable">
+      <table class="menu" id="container-info-table">
+        <tr class="menu-item hover-highlight" tabindex="0">
+          <td>
+            <div class="favicon"><img class="menu-icon" src="https://www.mozilla.org/favicon.ico" /></div>
+            <span class="menu-text truncate-text">www.mozillllllllllllllllllllllllllllllllllllla.org</span>
+            <img class="trash-button" src="/img/container-close-tab.svg" />
+          </td>
+        </tr>       
+      </table>
+    </div>
+    <div class="bottom-btn" id="manage-container-link">
+      Manage This Container
+    </div>
+  </div>
+
+
+  <div class="panel menu-panel container-picker-panel hide" id="container-picker-panel">
+    <h3 class="title" id="picker-title">
+      Multi-Account Containers
+    </h3>
+    <button class="btn-return arrow-left" id="close-container-picker-panel" tabindex="0"></button>
+    <hr>
+    <div id="new-container-div"></div>
+    <div class="scrollable identities-list">
+      <table class="menu" id="picker-identities-list">
+        <tr class="menu-item hover-highlight">
+          <td>
+            <div class="menu-icon">
+              <div class="usercontext-icon"
+                data-identity-icon="pet"
+                data-identity-color="blue">
+              </div>
+            </div>
+            <span class="menu-text">Default</span>
+          </td>
+        </tr>
+      </table>
+    </div>
+  </div>
+
+  <div class="panel menu-panel edit-container-panel hide" id="edit-container-panel">
+    <h3 class="title" id="container-edit-title">
+      Default
+    </h3>
+    <button class="btn-return arrow-left" id="close-container-edit-panel"></button>
+    <hr>
+    <div class="scrollable edit-form">
+      <form id="edit-container-panel-form">
+        <input type="hidden" name="container-id" id="edit-container-panel-usercontext-input" />
+        <fieldset>
+          <legend class="form-header">Name</legend>
+          <input type="text" name="container-name" id="edit-container-panel-name-input" class="edit-container-panel-name-input" maxlength="25"/>
+        </fieldset>
+        <fieldset id="edit-container-panel-choose-color" class="radio-choice">
+          <legend class="form-header">Color</legend>
+        </fieldset>
+        <fieldset id="edit-container-panel-choose-icon" class="radio-choice">
+          <legend class="form-header">Icon</legend>
+        </fieldset>
+      </form>
+      <div id="edit-container-options">
+        <div class="options-header">Options</div>
+        <div class="container-options">
+          <input type="checkbox" class="site-isolation" id="site-isolation" name="site-isolation">
+          <label for="site-isolation" class="options-label">Limit to Designated Sites</label>
+        </div>
+        <div class="container-options options-label manage-assigned-sites-list" id="manage-assigned-sites-list">Manage Site List...
+        </div>
+      </div>
+    </div>
+    <div class="delete-container">
+      <button class="delete-btn" id="delete-container-button">Delete This Container</button>
+    </div>
+    <div class="panel-footer">
+      <a href="#" class="button expanded secondary footer-button cancel-button" id="create-container-cancel-link">Cancel</a>
+      <a href="#" class="button expanded primary footer-button" id="create-container-ok-link">OK</a>
+    </div>
+  </div>
+
+  <div class="panel menu-panel edit-container-assignments hide" id="edit-container-assignments">
+    <h3 class="title" id="edit-assignments-title">
+      Default
+    </h3>
+    <button class="btn-return arrow-left" id="close-container-assignment-panel"></button>
+    <hr>
+    <div class="scrollable edit-sites-assigned">
+      <div class="sub-header">Sites assigned to this container</div>
+      <table class="menu scrollable" id="edit-sites-assigned">
+        <tr class="menu-item hover-highlight" tabindex="0">
+          <td>
+            <div class="favicon"><img class="menu-icon" src="https://www.mozilla.org/favicon.ico" /></div>
+            <span class="menu-text truncate-text">www.mozillllllllllllllllllllllllllllla.org</span>
+            <img class="trash-button" src="/img/container-delete.svg" />
+          </td>
+        </tr>
+      </table>
+    </div>
+  </div>
+
+  <div class="hide panel delete-container-panel" id="delete-container-panel">
+    <h3 class="title" id="container-delete-title">
+      Default
+    </h3>
+    <button class="btn-return arrow-left" id="close-container-delete-panel"></button>
+    <hr>
+    <div class="panel-content delete-container-confirm">
+      <h4 class="delete-container-confirm-title">Remove This Container</h4>
+      <p class="delete-warning" id="delete-container-tab-warning"></p>
+      <p class="delete-warning">Are you sure you want to remove this Container?</p>
+    </div>
+    <div class="panel-footer">
+      <a href="#" class="button expanded secondary footer-button cancel-button" id="delete-container-cancel-link">Cancel</a>
+      <a href="#" class="button expanded primary footer-button" id="delete-container-ok-link">OK</a>
+    </div>
+  </div>
+
+  <script src="js/utils.js"></script>
+  <script src="js/popup.js"></script>
+</body>
+</html>
@@ -0,0 +1,12 @@
+module.exports = {
+    env: {
+      "node": true,
+      "mocha": true
+    },
+    "parserOptions": {
+      "ecmaVersion": 2018
+    },
+    "rules": {
+      "no-restricted-globals": ["error", "browser"]
+    }
+}
@@ -0,0 +1,111 @@
+if (!process.listenerCount("unhandledRejection")) {
+  // eslint-disable-next-line no-console
+  process.on("unhandledRejection", r => console.log(r));
+}
+
+const path = require("path");
+const chai = require("chai");
+const sinonChai = require("sinon-chai");
+const crypto = require("crypto");
+const sinon = require("sinon");
+const expect = chai.expect;
+chai.should();
+chai.use(sinonChai);
+const nextTick = () => {
+  return new Promise(resolve => {
+    setTimeout(() => {
+      process.nextTick(resolve);
+    });
+  });
+};
+
+const webExtensionsJSDOM = require("webextensions-jsdom");
+const manifestPath = path.resolve(path.join(__dirname, "../src/manifest.json"));
+
+const buildDom = async ({background = {}, popup = {}}) => {
+  background = {
+    ...background,
+    jsdom: {
+      ...background.jsom,
+      beforeParse(window) {
+        window.browser.permissions.getAll.resolves({permissions: ["bookmarks"]});
+        window.crypto = {
+          getRandomValues: arr => crypto.randomBytes(arr.length),
+        };
+      }
+    }
+  };
+
+  popup = {
+    ...popup,
+    jsdom: {
+      ...popup.jsdom,
+      pretendToBeVisual: true
+    }
+  };
+  
+  const webExtension = await webExtensionsJSDOM.fromManifest(manifestPath, {
+    apiFake: true,
+    wiring: true,
+    sinon: global.sinon,
+    background,
+    popup
+  });
+
+  webExtension.browser = webExtension.background.browser;
+  return webExtension;
+};
+
+const buildBackgroundDom = background => {
+  return buildDom({
+    background,
+    popup: false
+  });
+};
+
+const buildPopupDom = popup => {
+  return buildDom({
+    popup,
+    background: false
+  });
+};
+
+const initializeWithTab = async (details = {
+  cookieStoreId: "firefox-default"
+}) => {
+  let tab;
+  const webExtension = await buildDom({
+    background: {
+      async afterBuild(background) {
+        tab = await background.browser.tabs._create(details);
+      }
+    },
+    popup: {
+      jsdom: {
+        beforeParse(window) {
+          window.browser.storage.local.set({
+            "browserActionBadgesClicked": [],
+            "onboarding-stage": 7,
+            "achievements": [], 
+            "syncEnabled": true
+          });
+          window.browser.storage.local.set.resetHistory();
+          window.browser.storage.sync.clear();
+        }
+      }
+    }
+  });
+  webExtension.tab = tab;
+
+  return webExtension;
+};
+
+module.exports = {
+  buildDom,
+  buildBackgroundDom,
+  buildPopupDom,
+  initializeWithTab,
+  sinon,
+  expect,
+  nextTick,
+};
@@ -0,0 +1,87 @@
+const {initializeWithTab} = require("../common");
+
+describe("Assignment Reopen Feature", function () {
+  const url = "http://example.com";
+
+  beforeEach(async function () {
+    this.webExt = await initializeWithTab({
+      cookieStoreId: "firefox-default",
+      url
+    });
+  });
+
+  afterEach(function () {
+    this.webExt.destroy();
+  });
+
+  describe("set to 'Always open in' firefox-container-4", function () {
+    beforeEach(async function () {
+      // popup click to set assignment for activeTab.url
+      await this.webExt.popup.helper.clickElementById("always-open-in");
+      await this.webExt.popup.helper.clickElementByQuerySelectorAll("#picker-identities-list > .menu-item");
+    });
+
+    it("should open the page in the assigned container", async function () {
+      // should have created a new tab with the confirm page
+      this.webExt.background.browser.tabs.create.should.have.been.calledWithMatch({
+        active: true,
+        cookieStoreId: "firefox-container-4",
+        index: 1,
+        openerTabId: null,
+        url: "http://example.com"
+      });
+    });
+
+  });
+
+});
+
+describe("Assignment Comfirm Page Feature", function () {
+  const url = "http://example.com";
+
+  beforeEach(async function () {
+    this.webExt = await initializeWithTab({
+      cookieStoreId: "firefox-container-4",
+      url
+    });
+  });
+
+  afterEach(function () {
+    this.webExt.destroy();
+  });
+
+  describe("open new Tab with the assigned URL in the default container", function () {
+    let newTab;
+    beforeEach(async function () {
+      await this.webExt.popup.helper.clickElementById("always-open-in");
+      await this.webExt.popup.helper.clickElementByQuerySelectorAll("#picker-identities-list > .menu-item");
+
+      // new Tab opening activeTab.url in default container
+      newTab = await this.webExt.background.browser.tabs._create({
+        cookieStoreId: "firefox-default",
+        url
+      }, {
+        options: {
+          webRequestError: true // because request is canceled due to reopening
+        }
+      });
+    });
+
+    it("should open the confirm page", async function () {
+      // should have created a new tab with the confirm page
+      this.webExt.background.browser.tabs.create.should.have.been.calledWithMatch({
+        url: "moz-extension://fake/confirm-page.html?" +
+               `url=${encodeURIComponent(url)}` +
+               `&cookieStoreId=${this.webExt.tab.cookieStoreId}`,
+        cookieStoreId: undefined,
+        openerTabId: null,
+        index: 2,
+        active: true
+      });
+    });
+
+    it("should remove the new Tab that got opened in the default container", function () {
+      this.webExt.background.browser.tabs.remove.should.have.been.calledWith(newTab.id);
+    });
+  });
+});
@@ -0,0 +1,36 @@
+const {initializeWithTab} = require("../common");
+
+describe("Containers Management", function () {
+  beforeEach(async function () {
+    this.webExt = await initializeWithTab();
+  });
+
+  afterEach(function () {
+    this.webExt.destroy();
+  });
+
+  describe("creating a new container", function () {
+    beforeEach(async function () {
+      await this.webExt.popup.helper.clickElementById("manage-containers-link");
+      await this.webExt.popup.helper.clickElementById("new-container");
+      await this.webExt.popup.helper.clickElementById("create-container-ok-link");
+    });
+
+    it("should create it in the browser as well", function () {
+      this.webExt.background.browser.contextualIdentities.create.should.have.been.calledOnce;
+    });
+
+    describe("removing it afterwards", function () {
+      beforeEach(async function () {
+        await this.webExt.popup.helper.clickElementById("manage-containers-link");
+        await this.webExt.popup.helper.clickElementByQuerySelectorAll("#picker-identities-list > .menu-item", "last");
+        await this.webExt.popup.helper.clickElementById("delete-container-button");
+        await this.webExt.popup.helper.clickElementById("delete-container-ok-link");
+      });
+
+      it("should remove it in the browser as well", function () {
+        this.webExt.background.browser.contextualIdentities.remove.should.have.been.calledOnce;
+      });
+    });
+  });
+});
@@ -0,0 +1,64 @@
+const {expect, initializeWithTab} = require("../common");
+
+describe("External Webextensions", function () {
+  const url = "http://example.com";
+
+  beforeEach(async function () {
+    this.webExt = await initializeWithTab({
+      cookieStoreId: "firefox-container-4",
+      url
+    });
+
+    await this.webExt.popup.helper.clickElementById("always-open-in");
+    await this.webExt.popup.helper.clickElementByQuerySelectorAll("#picker-identities-list > .menu-item", "last");
+  });
+
+  afterEach(function () {
+    this.webExt.destroy();
+  });
+
+  describe("with contextualIdentities permissions", function () {
+    it("should be able to get assignments", async function () {
+      this.webExt.background.browser.management.get.resolves({
+        permissions: ["contextualIdentities"]
+      });
+
+      const message = {
+        method: "getAssignment",
+        url
+      };
+      const sender = {
+        id: "external-webextension"
+      };
+
+      const [promise] = this.webExt.background.browser.runtime.onMessageExternal.addListener.yield(message, sender);
+      const answer = await promise;
+      expect(answer.userContextId === "4").to.be.true;
+      expect(answer.neverAsk === false).to.be.true;
+      expect(
+        Object.prototype.hasOwnProperty.call(
+          answer, "identityMacAddonUUID")).to.be.true;
+    });
+  });
+
+  describe("without contextualIdentities permissions", function () {
+    it("should throw an error", async function () {
+      this.webExt.background.browser.management.get.resolves({
+        permissions: []
+      });
+
+      const message = {
+        method: "getAssignment",
+        url
+      };
+      const sender = {
+        id: "external-webextension"
+      };
+
+      const [promise] = this.webExt.background.browser.runtime.onMessageExternal.addListener.yield(message, sender);
+      return promise.catch(error => {
+        expect(error.message).to.equal("Missing contextualIdentities permission");
+      });
+    });
+  });
+});
@@ -0,0 +1,465 @@
+const {initializeWithTab} = require("../common");
+
+describe("Sync", function() {
+  beforeEach(async function() {
+    this.webExt = await initializeWithTab();
+    this.syncHelper = new SyncTestHelper(this.webExt);
+  });
+
+  afterEach(function() {
+    this.webExt.destroy();
+    delete this.syncHelper;
+  });
+
+  it("testIdentityStateCleanup", async function() {
+    await this.syncHelper.stopSyncListeners();
+
+    await this.syncHelper.setState({}, LOCAL_DATA, TEST_CONTAINERS, []);
+
+    await this.webExt.browser.storage.local.set({
+      "identitiesState@@_firefox-container-5": { 
+        "hiddenTabs": [] 
+      }
+    });
+
+    await this.webExt.background.window.identityState.storageArea.upgradeData();
+
+    const macConfigs = await this.webExt.browser.storage.local.get();
+    const identities = [];
+    for(const configKey of Object.keys(macConfigs)) {
+      if (configKey.includes("identitiesState@@_") && !configKey.includes("default")) {
+        identities.push(macConfigs[configKey]);
+      }
+    }
+
+    identities.should.have.lengthOf(5, "There should be 5 identity entries");
+    for (const identity of identities) {
+      (!!identity.macAddonUUID).should.be.true;
+
+    }
+  });
+
+  it("testAssignManagerCleanup", async function() {
+    await this.syncHelper.stopSyncListeners();
+
+    await this.syncHelper.setState({}, LOCAL_DATA, TEST_CONTAINERS, TEST_ASSIGNMENTS);
+
+    await this.webExt.browser.storage.local.set({
+      "siteContainerMap@@_www.goop.com": { 
+        "userContextId": "999",
+        "neverAsk": true
+      }
+    });
+
+    await this.webExt.background.window.identityState.storageArea.upgradeData();
+    await this.webExt.background.window.assignManager.storageArea.upgradeData();
+    const macConfigs = await this.webExt.browser.storage.local.get();
+    const assignments = [];
+    for(const configKey of Object.keys(macConfigs)) {
+      if (configKey.includes("siteContainerMap@@_")) {
+        macConfigs[configKey].configKey = configKey;
+        assignments.push(macConfigs[configKey]);
+      }
+    }
+    assignments.should.have.lengthOf(5, "There should be 5 site assignments");
+    for (const assignment of assignments) {
+      (!!assignment.identityMacAddonUUID).should.be.true;
+    }
+  });
+
+  it("testReconcileSiteAssignments", async function() {
+    await this.syncHelper.stopSyncListeners();
+
+    await this.syncHelper.setState(
+      DUPE_TEST_SYNC, 
+      LOCAL_DATA, 
+      TEST_CONTAINERS, 
+      SITE_ASSIGNMENT_TEST
+    );
+
+    // add 200ok (bad data).
+    const testSites = {
+      "siteContainerMap@@_developer.mozilla.org": {
+        "userContextId": "588",
+        "neverAsk": true,
+        "identityMacAddonUUID": "d20d7af2-9866-468e-bb43-541efe8c2c2e",
+        "hostname": "developer.mozilla.org"
+      },
+      "siteContainerMap@@_reddit.com": {
+        "userContextId": "592",
+        "neverAsk": true,
+        "identityMacAddonUUID": "3dc916fb-8c0a-4538-9758-73ef819a45f7",
+        "hostname": "reddit.com"
+      },
+      "siteContainerMap@@_twitter.com": {
+        "userContextId": "589",
+        "neverAsk": true,
+        "identityMacAddonUUID": "cdd73c20-c26a-4c06-9b17-735c1f5e9187",
+        "hostname": "twitter.com"
+      },
+      "siteContainerMap@@_www.facebook.com": {
+        "userContextId": "590",
+        "neverAsk": true,
+        "identityMacAddonUUID": "32cc4a9b-05ed-4e54-8e11-732468de62f4",
+        "hostname": "www.facebook.com"
+      },
+      "siteContainerMap@@_www.linkedin.com": {
+        "userContextId": "591",
+        "neverAsk": true,
+        "identityMacAddonUUID": "9ff381e3-4c11-420d-8e12-e352a3318be1",
+        "hostname": "www.linkedin.com"
+      },
+      "siteContainerMap@@_200ok.us": {
+        "userContextId": "1",
+        "neverAsk": true,
+        "identityMacAddonUUID": "b5f5f794-b37e-4cec-9f4e-6490df620336",
+        "hostname": "www.linkedin.com"
+      }
+    };
+
+    for (const site of Object.keys(testSites)) {
+      await this.webExt.browser.storage.sync.set({[site]:testSites[site]});
+    }
+
+    await this.webExt.browser.storage.sync.set({
+      deletedSiteList: ["siteContainerMap@@_www.google.com"]
+    });
+    await this.webExt.background.window.sync.runSync();
+
+    const assignedSites = await this.webExt.background.window.assignManager.storageArea.getAssignedSites();
+    Object.keys(assignedSites).should.have.lengthOf(6);
+  });
+
+  it("testInitialSync", async function() {
+    await this.syncHelper.stopSyncListeners();
+    await this.syncHelper.setState({}, LOCAL_DATA, TEST_CONTAINERS, []);
+    await this.webExt.background.window.sync.runSync();
+
+    const getAssignedSites = 
+      await this.webExt.background.window.assignManager.storageArea.getAssignedSites();
+    const identities = await this.webExt.browser.contextualIdentities.query({});
+
+    identities.should.have.lengthOf(5, "There should be 5 identity entries");
+    Object.keys(getAssignedSites).should.have.lengthOf(0, "There should be no site assignments");
+  });
+
+  it("test2", async function() {
+    await this.syncHelper.stopSyncListeners();
+
+    await this.syncHelper.setState(SYNC_DATA, LOCAL_DATA, TEST_CONTAINERS, TEST_ASSIGNMENTS);
+
+    await this.webExt.background.window.sync.runSync();
+
+    const getAssignedSites = 
+      await this.webExt.background.window.assignManager.storageArea.getAssignedSites();
+
+    const identities = await this.webExt.browser.contextualIdentities.query({});
+
+    identities.should.have.lengthOf(6, "There should be 6 identity entries");
+    Object.keys(getAssignedSites).should.have.lengthOf(5, "There should be 5 site assignments");
+  });
+
+  it("dupeTest", async function() {
+    await this.syncHelper.stopSyncListeners();
+    await this.syncHelper.setState(
+      DUPE_TEST_SYNC, 
+      DUPE_TEST_LOCAL, 
+      DUPE_TEST_IDENTS, 
+      DUPE_TEST_ASSIGNMENTS
+    );
+
+    await this.webExt.background.window.sync.runSync();
+
+    const getAssignedSites = 
+      await this.webExt.background.window.assignManager.storageArea.getAssignedSites();
+
+    const identities = await this.webExt.browser.contextualIdentities.query({});
+
+    identities.should.have.lengthOf(7, "There should be 7 identity entries");
+
+    Object.keys(getAssignedSites).should.have.lengthOf(5, "There should be 5 identity entries");
+
+    const personalContainer = 
+      this.syncHelper.lookupIdentityBy(identities, {name: "Personal"});
+    (personalContainer.color === "red").should.be.true;
+
+    const mozillaContainer =
+      this.syncHelper.lookupIdentityBy(identities, {name: "Mozilla"});
+    (mozillaContainer.icon === "pet").should.be.true;
+  });
+});
+
+class SyncTestHelper {
+  constructor(webExt) {
+    this.webExt = webExt;
+  }
+
+  async stopSyncListeners() {
+    await this.webExt.browser.storage.onChanged.removeListener(this.webExt.background.window.sync.storageArea.onChangedListener);
+    await this.webExt.background.window.sync.removeContextualIdentityListeners();
+  }
+  
+  async setState(syncData, localData, identityData, assignmentData){
+    await this.removeAllContainers();
+    await this.webExt.browser.storage.sync.clear();
+    await this.webExt.browser.storage.sync.set(syncData);
+    await this.webExt.browser.storage.local.clear();
+    await this.webExt.browser.storage.local.set(localData);
+    for (let i=0; i < identityData.length; i++) {
+      //build identities
+      const newIdentity = 
+        await this.webExt.browser.contextualIdentities.create(identityData[i]);
+      // fill identies with site assignments
+      if (assignmentData && assignmentData[i]) {
+        const data =  { 
+          "userContextId": 
+            String(
+              newIdentity.cookieStoreId.replace(/^firefox-container-/, "")
+            ),
+          "neverAsk": true
+        };
+  
+        await this.webExt.browser.storage.local.set({[assignmentData[i]]: data});
+      }
+    }
+    return;
+  }
+  
+  async removeAllContainers() {
+    const identities = await this.webExt.browser.contextualIdentities.query({});
+    for (const identity of identities) {
+      await this.webExt.browser.contextualIdentities.remove(identity.cookieStoreId);
+    }
+  }
+
+  lookupIdentityBy(identities, options) {
+    for (const identity of identities) {
+      if (options && options.name) {
+        if (identity.name === options.name) return identity;
+      }
+      if (options && options.color) {
+        if (identity.color === options.color) return identity;
+      }
+      if (options && options.color) {
+        if (identity.color === options.color) return identity;
+      }
+    }
+    return false;
+  }
+}
+
+const TEST_CONTAINERS = [
+  {
+    name: "Personal",
+    color: "blue",
+    icon: "fingerprint"
+  },
+  {
+    name: "Banking",
+    color: "green",
+    icon: "dollar"
+  },
+  {
+    name: "Mozilla",
+    color: "red",
+    icon: "briefcase"
+  },
+  {
+    name: "Groceries, obviously",
+    color: "yellow",
+    icon: "cart"
+  },
+  {
+    name: "Facebook",
+    color: "toolbar",
+    icon: "fence"
+  },
+];
+  
+const TEST_ASSIGNMENTS = [
+  "siteContainerMap@@_developer.mozilla.org",
+  "siteContainerMap@@_twitter.com",
+  "siteContainerMap@@_www.facebook.com",
+  "siteContainerMap@@_www.linkedin.com",
+  "siteContainerMap@@_reddit.com"
+];
+  
+const LOCAL_DATA = {
+  "browserActionBadgesClicked": [ "6.2.0" ],
+  "containerTabsOpened": 7,
+  "identitiesState@@_firefox-default": { "hiddenTabs": [] },
+  "onboarding-stage": 5
+};
+  
+const SYNC_DATA = {
+  "identity@@_22ded543-5173-44a5-a47a-8813535945ca": {
+    "name": "Personal",
+    "icon": "fingerprint",
+    "color": "red",
+    "cookieStoreId": "firefox-container-146",
+    "macAddonUUID": "22ded543-5173-44a5-a47a-8813535945ca"
+  },
+  "identity@@_63e5212f-0858-418e-b5a3-09c2dea61fcd": {
+    "name": "Oscar",
+    "icon": "dollar",
+    "color": "green",
+    "cookieStoreId": "firefox-container-147",
+    "macAddonUUID": "3e5212f-0858-418e-b5a3-09c2dea61fcd"
+  },
+  "identity@@_71335417-158e-4d74-a55b-e9e9081601ec": {
+    "name": "Mozilla",
+    "icon": "pet",
+    "color": "red",
+    "cookieStoreId": "firefox-container-148",
+    "macAddonUUID": "71335417-158e-4d74-a55b-e9e9081601ec"
+  },
+  "identity@@_59c4e5f7-fe3b-435a-ae60-1340db31a91b": {
+    "name": "Groceries, obviously",
+    "icon": "cart",
+    "color": "pink",
+    "cookieStoreId": "firefox-container-149",
+    "macAddonUUID": "59c4e5f7-fe3b-435a-ae60-1340db31a91b"
+  },
+  "identity@@_3dc916fb-8c0a-4538-9758-73ef819a45f7": {
+    "name": "Facebook",
+    "icon": "fence",
+    "color": "toolbar",
+    "cookieStoreId": "firefox-container-150",
+    "macAddonUUID": "3dc916fb-8c0a-4538-9758-73ef819a45f7"
+  }
+};
+  
+const DUPE_TEST_SYNC = {
+  "identity@@_d20d7af2-9866-468e-bb43-541efe8c2c2e": {
+    "name": "Personal",
+    "icon": "fingerprint",
+    "color": "red",
+    "cookieStoreId": "firefox-container-588",
+    "macAddonUUID": "d20d7af2-9866-468e-bb43-541efe8c2c2e"
+  },
+  "identity@@_cdd73c20-c26a-4c06-9b17-735c1f5e9187": {
+    "name": "Big Bird",
+    "icon": "pet",
+    "color": "yellow",
+    "cookieStoreId": "firefox-container-589",
+    "macAddonUUID": "cdd73c20-c26a-4c06-9b17-735c1f5e9187"
+  },
+  "identity@@_32cc4a9b-05ed-4e54-8e11-732468de62f4": {
+    "name": "Mozilla",
+    "icon": "pet",
+    "color": "red",
+    "cookieStoreId": "firefox-container-590",
+    "macAddonUUID": "32cc4a9b-05ed-4e54-8e11-732468de62f4"
+  },
+  "identity@@_9ff381e3-4c11-420d-8e12-e352a3318be1": {
+    "name": "Groceries, obviously",
+    "icon": "cart",
+    "color": "pink",
+    "cookieStoreId": "firefox-container-591",
+    "macAddonUUID": "9ff381e3-4c11-420d-8e12-e352a3318be1"
+  },
+  "identity@@_3dc916fb-8c0a-4538-9758-73ef819a45f7": {
+    "name": "Facebook",
+    "icon": "fence",
+    "color": "toolbar",
+    "cookieStoreId": "firefox-container-592",
+    "macAddonUUID": "3dc916fb-8c0a-4538-9758-73ef819a45f7"
+  },
+  "identity@@_63e5212f-0858-418e-b5a3-09c2dea61fcd": {
+    "name": "Oscar",
+    "icon": "dollar",
+    "color": "green",
+    "cookieStoreId": "firefox-container-593",
+    "macAddonUUID": "63e5212f-0858-418e-b5a3-09c2dea61fcd"
+  },
+  "siteContainerMap@@_developer.mozilla.org": {
+    "userContextId": "588",
+    "neverAsk": true,
+    "identityMacAddonUUID": "d20d7af2-9866-468e-bb43-541efe8c2c2e",
+    "hostname": "developer.mozilla.org"
+  },
+  "siteContainerMap@@_reddit.com": {
+    "userContextId": "592",
+    "neverAsk": true,
+    "identityMacAddonUUID": "3dc916fb-8c0a-4538-9758-73ef819a45f7",
+    "hostname": "reddit.com"
+  },
+  "siteContainerMap@@_twitter.com": {
+    "userContextId": "589",
+    "neverAsk": true,
+    "identityMacAddonUUID": "cdd73c20-c26a-4c06-9b17-735c1f5e9187",
+    "hostname": "twitter.com"
+  },
+  "siteContainerMap@@_www.facebook.com": {
+    "userContextId": "590",
+    "neverAsk": true,
+    "identityMacAddonUUID": "32cc4a9b-05ed-4e54-8e11-732468de62f4",
+    "hostname": "www.facebook.com"
+  },
+  "siteContainerMap@@_www.linkedin.com": {
+    "userContextId": "591",
+    "neverAsk": true,
+    "identityMacAddonUUID": "9ff381e3-4c11-420d-8e12-e352a3318be1",
+    "hostname": "www.linkedin.com"
+  }
+};
+  
+const DUPE_TEST_LOCAL = {
+  "beenSynced": true,
+  "browserActionBadgesClicked": [
+    "6.2.0"
+  ],
+  "containerTabsOpened": 7,
+  "identitiesState@@_firefox-default": {
+    "hiddenTabs": []
+  },
+  "onboarding-stage": 5,
+};
+  
+const DUPE_TEST_ASSIGNMENTS = [
+  "siteContainerMap@@_developer.mozilla.org",
+  "siteContainerMap@@_reddit.com",
+  "siteContainerMap@@_twitter.com",
+  "siteContainerMap@@_www.facebook.com",
+  "siteContainerMap@@_www.linkedin.com"
+];
+  
+const SITE_ASSIGNMENT_TEST = [
+  "siteContainerMap@@_developer.mozilla.org",
+  "siteContainerMap@@_www.facebook.com",
+  "siteContainerMap@@_www.google.com",
+  "siteContainerMap@@_bugzilla.mozilla.org"
+];
+  
+const DUPE_TEST_IDENTS = [
+  {
+    "name": "Personal",
+    "icon": "fingerprint",
+    "color": "blue",
+  },
+  {
+    "name": "Banking",
+    "icon": "pet",
+    "color": "green",
+  },
+  {
+    "name": "Mozilla",
+    "icon": "briefcase",
+    "color": "red",
+  },
+  {
+    "name": "Groceries, obviously",
+    "icon": "cart",
+    "color": "orange",
+  },
+  {
+    "name": "Facebook",
+    "icon": "fence",
+    "color": "toolbar",
+  },
+  {
+    "name": "Big Bird",
+    "icon": "dollar",
+    "color": "yellow",
+  }
+];
@@ -0,0 +1,38 @@
+const {expect, sinon, initializeWithTab} = require("../common");
+
+describe("#1168", function () {
+  describe("when navigation happens too slow after opening new tab to a page which then redirects", function () {
+    let clock, tab, background;
+
+    beforeEach(async function () {
+      this.webExt = await initializeWithTab({
+        cookieStoreId: "firefox-container-1",
+        url: "https://bugzilla.mozilla.org"
+      });
+
+      await this.webExt.popup.helper.clickElementById("container-page-assigned");
+
+      clock = sinon.useFakeTimers();
+      tab = await this.webExt.browser.tabs._create({});
+
+      clock.tick(2000);
+
+      await background.browser.tabs._navigate(tab.id, "https://duckduckgo.com/?q=%21bugzilla+thing&t=ffab");
+      await background.browser.tabs._redirect(tab.id, [
+        "https://bugzilla.mozilla.org"
+      ]);
+    });
+
+    afterEach(function () {
+      this.webExt.destroy();
+      clock.restore();
+    });
+
+    // Not solved yet
+    // See: https://github.com/mozilla/multi-account-containers/issues/1168#issuecomment-378394091
+    it.skip("should remove the old tab", async function () {
+      expect(background.browser.tabs.create).to.have.been.calledOnce;
+      expect(background.browser.tabs.remove).to.have.been.calledWith(tab.id);
+    });
+  });
+});
@@ -0,0 +1,179 @@
+const {expect, sinon, initializeWithTab} = require("../common");
+
+describe("#940", function () {
+  describe("when other onBeforeRequestHandlers are faster and redirect with the same requestId", function () {
+    it("should not open two confirm pages", async function () {
+      const webExtension = await initializeWithTab({
+        cookieStoreId: "firefox-container-4",
+        url: "http://example.com"
+      });
+
+      await webExtension.popup.helper.clickElementById("always-open-in");
+      await webExtension.popup.helper.clickElementByQuerySelectorAll("#picker-identities-list > .menu-item");
+
+      const responses = {};
+      await webExtension.background.browser.tabs._create({
+        url: "https://example.com"
+      }, {
+        options: {
+          webRequestRedirects: ["https://example.com"],
+          webRequestError: true,
+          instantRedirects: true
+        },
+        responses
+      });
+
+      const result = await responses.webRequest.onBeforeRequest[1];
+      expect(result).to.deep.equal({
+        cancel: true
+      });
+      webExtension.browser.tabs.create.should.have.been.calledOnce;
+
+      webExtension.destroy();
+    });
+  });
+
+  describe("when redirects change requestId midflight", function () {
+    beforeEach(async function () {
+      
+      this.webExt = await initializeWithTab({
+        cookieStoreId: "firefox-container-4",
+        url: "https://www.youtube.com"
+      });
+
+      await this.webExt.popup.helper.clickElementById("always-open-in");
+      await this.webExt.popup.helper.clickElementByQuerySelectorAll("#picker-identities-list > .menu-item");
+      
+      global.clock = sinon.useFakeTimers();
+      this.redirectedRequest = async (options = {}) => {
+        const newTabResponses = {};
+        const newTab = await this.webExt.browser.tabs._create({
+          url: "http://youtube.com"
+        }, {
+          options: Object.assign({
+            webRequestRedirects: [
+              "https://youtube.com",
+              "https://www.youtube.com",
+              {
+                url: "https://www.youtube.com",
+                webRequest: {
+                  requestId: 2
+                }
+              }
+            ],
+            webRequestError: true,
+            instantRedirects: true
+          }, options),
+          responses: newTabResponses
+        });
+  
+        return [newTabResponses, newTab];
+      };
+    });
+
+    afterEach(function () {
+      this.webExt.destroy();
+      global.clock.restore();
+    });
+
+    it("should not open two confirm pages", async function () {
+      const [newTabResponses] = await this.redirectedRequest();
+
+      // http://youtube.com is not assigned, no cancel, no reopening
+      expect(await newTabResponses.webRequest.onBeforeRequest[0]).to.deep.equal({});
+
+      // https://youtube.com is not assigned, no cancel, no reopening
+      expect(await newTabResponses.webRequest.onBeforeRequest[1]).to.deep.equal({});
+
+      // https://www.youtube.com is assigned, this triggers reopening, cancel
+      expect(await newTabResponses.webRequest.onBeforeRequest[2]).to.deep.equal({
+        cancel: true
+      });
+
+      // https://www.youtube.com is assigned, this was a redirect, cancel early, no reopening
+      expect(await newTabResponses.webRequest.onBeforeRequest[3]).to.deep.equal({
+        cancel: true
+      });
+
+      this.webExt.background.browser.tabs.create.should.have.been.calledOnce;
+    });
+
+    it("should uncancel after webRequest.onCompleted", async function () {
+      const [newTabResponses, newTab] = await this.redirectedRequest();
+      // remove onCompleted listeners because in the real world this request would never complete
+      // and thus might trigger unexpected behavior because the tab gets removed when reopening
+      this.webExt.background.browser.webRequest.onCompleted.addListener = sinon.stub();
+      this.webExt.background.browser.tabs.create.resetHistory();
+      // we create a tab with the same id and use the same request id to see if uncanceled
+      await this.webExt.browser.tabs._create({
+        id: newTab.id,
+        url: "https://www.youtube.com"
+      }, {
+        options: {
+          webRequest: {
+            requestId: newTabResponses.webRequest.request.requestId
+          }
+        }
+      });
+
+      this.webExt.background.browser.tabs.create.should.have.been.calledOnce;
+    });
+
+    it("should uncancel after webRequest.onErrorOccurred", async function () {
+      const [newTabResponses, newTab] = await this.redirectedRequest();
+      this.webExt.background.browser.tabs.create.resetHistory();
+      // we create a tab with the same id and use the same request id to see if uncanceled
+      await this.webExt.browser.tabs._create({
+        id: newTab.id,
+        url: "https://www.youtube.com"
+      }, {
+        options: {
+          webRequest: {
+            requestId: newTabResponses.webRequest.request.requestId
+          },
+          webRequestError: true
+        }
+      });
+
+      this.webExt.background.browser.tabs.create.should.have.been.calledOnce;
+    });
+
+    it("should uncancel after 2 seconds", async function () {
+      const [newTabResponses, newTab] = await this.redirectedRequest({
+        webRequestDontYield: ["onCompleted", "onErrorOccurred"]
+      });
+      global.clock.tick(2000);
+
+      this.webExt.background.browser.tabs.create.resetHistory();
+      // we create a tab with the same id and use the same request id to see if uncanceled
+      await this.webExt.browser.tabs._create({
+        id: newTab.id,
+        url: "https://www.youtube.com"
+      }, {
+        options: {
+          webRequest: {
+            requestId: newTabResponses.webRequest.request.requestId
+          },
+          webRequestError: true
+        }
+      });
+
+      this.webExt.background.browser.tabs.create.should.have.been.calledOnce;
+    });
+
+    it("should not influence the canceled url in other tabs", async function () {
+      await this.redirectedRequest();
+      this.webExt.background.browser.tabs.create.resetHistory();
+      await this.webExt.browser.tabs._create({
+        cookieStoreId: "firefox-default",
+        url: "https://www.youtube.com"
+      }, {
+        options: {
+          webRequestError: true
+        }
+      });
+
+      this.webExt.background.browser.tabs.create.should.have.been.calledOnce;
+    });
+  });
+});
@@ -1,19 +0,0 @@
-const main = require("../");
-
-exports["test main"] = function(assert) {
-  assert.pass("Unit test running!");
-};
-
-exports["test main async"] = function(assert, done) {
-  assert.pass("async Unit test running!");
-  done();
-};
-
-exports["test dummy"] = function(assert, done) {
-  main.dummy("foo", function(text) {
-    assert.ok((text === "foo"), "Is the text actually 'foo'");
-    done();
-  });
-};
-
-require("sdk/test").run(exports);
@@ -1,333 +0,0 @@
-// This Source Code Form is subject to the terms of the Mozilla Public
-// License, v. 2.0. If a copy of the MPL was not distributed with this
-// file, You can obtain one at http://mozilla.org/MPL/2.0/.
-
-/**
- * Class that represents a metrics event broker. Events are sent to Google
- * Analytics if the `tid` parameter is set. Events are sent to Mozilla's
- * data pipeline via the Test Pilot add-on. No metrics code changes are
- * needed when the experiment is added to or removed from Test Pilot.
- * @constructor
- * @param {string} $0.id - addon ID, e.g. '@testpilot-addon'. See https://mdn.io/add_on_id.
- * @param {string} $0.version - addon version, e.g. '1.0.2'.
- * @param {string} [$0.uid] - unique identifier for a specific instance of an addon.
- * Optional, but required to send events to Google Analytics. Sent to Google Analytics
- * but not Mozilla services.
- * @param {string} [$0.tid] - Google Analytics tracking ID. Optional, but required
- * to send events to Google Analytics.
- * @param {string} [$0.type=webextension] - addon type. one of: 'webextension',
- * 'sdk', 'bootstrapped'.
- * @param {boolean} [$0.debug=false] - if true, enables logging. Note that this
- * value can be changed on a running instance, by modifying its `debug` property.
- * @throws {SyntaxError} If the required properties are missing, or if the
- * 'type' property is unrecognized.
- * @throws {Error} if initializing the transports fails.
- */
-function Metrics({id, version, uid, tid = null, type = 'webextension', debug = false}) {
-  if (!id) {
-    throw new SyntaxError(`'id' property is required.`);
-  } else if (!version) {
-    throw new SyntaxError(`'version' property is required.`);
-  } else if (tid && !uid) {
-    throw new SyntaxError(`'uid' property is required to send events to Google Analytics.`);
-  }
-
-  if (!['webextension', 'sdk', 'bootstrapped'].includes(type)) {
-    throw new SyntaxError(`'type' property must be one of: 'webextension', 'sdk', or 'bootstrapped'`);
-  }
-  Object.assign(this, {id, uid, version, tid, type, debug});
-
-  // The test pilot add-on uses its own nsIObserverService topic for sending
-  // pings to Telemetry. Otherwise, the topic is based on add-on type.
-  if (id === '@testpilot-addon') {
-    this.topic = 'testpilot';
-  } else if (type === 'webextension') {
-    this.topic = 'testpilot-telemetry';
-  } else {
-    this.topic = 'testpilottest';
-  }
-
-  // NOTE: order is important here. _initTransports uses console.log, which may
-  // not be available before _initConsole has run.
-  this._initConsole();
-  this._initTransports();
-
-  this.sendEvent = this.sendEvent.bind(this);
-
-  this._log(`Initialized topic to ${this.topic}`);
-  if (!tid) {
-    this._log(`Google Analytics disabled: 'tid' value not passed to constructor.`);
-  } else {
-    this._log(`Google Analytics enabled for Tracking ID ${tid}.`);
-  }
-  this._log('Constructor finished successfully.');
-}
-Metrics.prototype = {
-  /**
-   * Sends an event to the Mozilla data pipeline (and Google Analytics, if
-   * a `tid` was passed to the constructor). Note: to avoid breaking callers,
-   * if sending the event fails, no Errors will be thrown. Instead, the message
-   * will be silently dropped, and, if debug mode is enabled, an error will be
-   * logged to the Browser Console.
-   *
-   * If you want to pass extra fields to GA, or use a GA hit type other than
-   * `Event`, you can transform the output data object yourself using the
-   * `transform` parameter. You will need to add Custom Dimensions to GA for any
-   * extra fields: https://support.google.com/analytics/answer/2709828. Note
-   * that, by convention, the `variant` argument is mapped to the first Custom
-   * Dimension (`cd1`) when constructing the GA Event hit.
-   *
-   * Note: the data object format is currently different for each experiment,
-   * and should be defined based on the result of conversations with the Mozilla
-   * data team.
-   *
-   * A suggested default format is:
-   * @param {string} [$0.method] - What is happening? e.g. `click`
-   * @param {string} [$0.object] - What is being affected? e.g. `home-button-1`
-   * @param {string} [$0.category=interactions] - If you want to add a category
-   * for easy reporting later. e.g. `mainmenu`
-   * @param {string} [$0.variant=null] - An identifying string if you're running
-   * different variants. e.g. `cohort-A`
-   * @param {function} [transform] - Transform function used to alter the
-   * parameters sent to GA. The `transform` function signature is
-   * `transform(input, output)`, where `input` is the object passed to
-   * `sendEvent` (excluding `transform`), and `output` is the default GA
-   * object generated by the `_gaTransform` method. The `transform` function
-   * should return an object whose keys are GA Measurement Protocol parameters.
-   * The returned object will be form encoded and sent to GA.
-   */
-  sendEvent: function(params = {}, transform) {
-    const args = this._clone(params);
-    args.object = params.object || null;
-    args.category = params.category || 'interactions';
-    args.variant = params.variant || null;
-
-    this._log(`sendEvent called with method = ${args.method}, object = ${args.object}, category = ${args.category}, variant = ${args.variant}.`);
-
-    const clientData = this._clone(args);
-    const gaData = this._clone(args);
-    if (!clientData) {
-      this._error(`Unable to process data object. Dropping packet.`);
-      return;
-    }
-    this._sendToClient(clientData);
-
-    if (this.tid && this.uid) {
-      const defaultEvent = this._gaTransform(gaData);
-
-      let userEvent;
-      if (transform) {
-        userEvent = transform.call(null, gaData, defaultEvent);
-      }
-
-      this._gaSend(userEvent || defaultEvent);
-    }
-  },
-
-  /**
-   * Clone a data object by serializing / deserializing it.
-   * @private
-   * @param {object} o - Object to be cloned.
-   * @returns A clone of the object, or `null` if cloning failed.
-   */
-  _clone: function(o) {
-    let cloned;
-    try {
-      cloned = JSON.parse(JSON.stringify(o));
-    } catch (ex) {
-      this._error(`Unable to clone object: ${ex}.`);
-      return null;
-    }
-    return cloned;
-  },
-
-  /**
-   * Sends an event to the Mozilla data pipeline via the Test Pilot add-on.
-   * Uses BroadcastChannel for WebExtensions, and nsIObserverService for other
-   * add-on types.
-   * @private
-   * @param {object} params - Entire object sent to `sendEvent`.
-   */
-  _sendToClient: function(params) {
-    if (this.type === 'webextension') {
-      this._channel.postMessage(params);
-      this._log(`Sent client message via postMessage: ${params}`);
-    } else {
-      let stringified;
-
-      try {
-        stringified = JSON.stringify(params);
-      } catch(ex) {
-        this._error(`Unable to serialize metrics event: ${ex}`);
-        return;
-      }
-
-      const subject = {
-        wrappedJSObject: {
-          observersModuleSubjectWrapper: true,
-          object: this.id
-        }
-      };
-
-      try {
-        Services.obs.notifyObservers(subject, 'testpilot::send-metric', stringified);
-        this._log(`Sent client message via nsIObserverService: ${stringified}`);
-      } catch (ex) {
-        this._error(`Failed to send nsIObserver client ping: ${ex}`);
-        return;
-      }
-    }
-  },
-
-   /**
-   * Transforms `sendEvent()` arguments into a Google Analytics `Event` hit.
-   * @private
-   * @param {string} method - see `sendEvent` docs
-   * @param {string} [object] - see `sendEvent` docs
-   * @param {string} category - see `sendEvent` docs. Note that `category` is
-   * required here, assuming the default value was filled in by `sendEvent()`.
-   * @param {string} variant - see `sendEvent` docs. Note that `variant` is
-   * required here, assuming the default value was filled in by `sendEvent()`.
-   */
-  _gaTransform: function({method, object, category, variant}) {
-    const data = {
-      v: 1,
-      an: this.id,
-      av: this.version,
-      tid: this.tid,
-      uid: this.uid,
-      t: 'event',
-      ec: category,
-      ea: method
-    };
-    if (object) {
-      data.el = object;
-    }
-    if (variant) {
-      data.cd1 = variant;
-    }
-    return data;
-  },
-
-  /**
-   * Encodes and sends an event message to Google Analytics.
-   * @private
-   * @param {object} msg - An object whose keys correspond to parameters in the
-   * Google Analytics Measurement Protocol.
-   */
-  _gaSend: function(msg) {
-    const encoded = this._formEncode(msg);
-    const GA_URL = 'https://ssl.google-analytics.com/collect';
-    if (this.type === 'webextension') {
-      navigator.sendBeacon(GA_URL, encoded);
-    } else {
-      // SDK and bootstrapped types might not have a window reference, so get
-      // the sendBeacon DOM API from the hidden window.
-      Services.appShell.hiddenDOMWindow.navigator.sendBeacon(GA_URL, encoded);
-    }
-    this._log(`Sent GA message: ${encoded}`);
-  },
-
-  /**
-   * URL encodes an object. Encodes spaces as '%20', not '+', following the
-   * GA docs.
-   *
-   * @example
-   * // returns 'a=b&foo=b%20ar'
-   * metrics._formEncode({a: 'b', foo: 'b ar'});
-   * @private
-   * @param {Object} obj - Any JS object
-   * @returns {string}
-   */
-  _formEncode: function(obj) {
-    const params = [];
-    if (!obj) { return ''; }
-    Object.keys(obj).forEach(item => {
-      const encoded = encodeURIComponent(item) + '=' + encodeURIComponent(obj[item]);
-      params.push(encoded);
-    });
-    return params.join('&');
-  },
-
-  /**
-   * Initializes transports used for sending messages. For WebExtensions,
-   * creates a `BroadcastChannel` (transport for client pings). WebExtensions
-   * use navigator.sendBeacon for GA transport, and they always have access
-   * to DOM APIs, so there's no setup work required. For other types, loads
-   * `Services.jsm`, which exposes the nsIObserverService (transport for client
-   * pings), and exposes the navigator.sendBeacon API (GA transport) via the
-   * appShell service's hidden window.
-   * @private
-   * @throws {Error} if transport setup unexpectedly fails
-   */
-  _initTransports: function() {
-    if (this.type === 'webextension') {
-      try {
-        this._channel = new BroadcastChannel(this.topic);
-      } catch(ex) {
-        throw new Error(`Unable to create BroadcastChannel: ${ex}`);
-      }
-    } else if (this.type === 'sdk') {
-      try {
-        const { Cu } = require('chrome');
-        Cu.import('resource://gre/modules/Services.jsm');
-      } catch(ex) {
-        throw new Error(`Unable to load Services.jsm: ${ex}`);
-      }
-    } else { /* this.type === 'bootstrapped' */
-      try {
-        Components.utils.import('resource://gre/modules/Services.jsm');
-      } catch(ex) {
-        throw new Error(`Unable to load Services.jsm: ${ex}`);
-      }
-    }
-    this._log('Successfully initialized transports.');
-  },
-
-  /**
-   * Initializes a console for 'bootstrapped' add-ons.
-   * @private
-   */
-  _initConsole: function() {
-    if (this.type === 'bootstrapped') {
-      try {
-        Components.utils.import('resource://gre/modules/Console.jsm');
-        this._log('Successfully initialized console.');
-      } catch(ex) {
-        throw new Error(`Unable to initialize console: ${ex}`);
-      }
-    }
-  },
-
-  /**
-   * Logs messages to the console. Only enabled if `this.debug` is truthy.
-   * @private
-   * @param {string} msg - A message
-   */
-  _log: function(msg) {
-    if (this.debug) {
-      console.log(msg); // eslint-disable-line no-console
-    }
-  },
-
-  /**
-   * Logs errors to the console. Only enabled if `this.debug` is truthy.
-   * @private
-   * @param {string} msg - An error message
-   */
-  _error: function(msg) {
-    if (this.debug) {
-      console.error(msg); // eslint-disable-line no-console
-    }
-  }
-};
-
-// WebExtensions don't support CommonJS module style, so 'module' might not be
-// defined.
-if (typeof module !== 'undefined') {
-  module.exports = Metrics;
-}
-
-// Export the Metrics constructor in Gecko JSM style, for legacy addons
-// that use the JSM loader. See also: https://mdn.io/jsm/using
-const EXPORTED_SYMBOLS = ['Metrics']; // eslint-disable-line no-unused-vars
@@ -1,473 +0,0 @@
-const assignManager = {
-  CLOSEABLE_WINDOWS: new Set([
-    "about:startpage",
-    "about:newtab",
-    "about:home",
-    "about:blank"
-  ]),
-  MENU_ASSIGN_ID: "open-in-this-container",
-  MENU_REMOVE_ID: "remove-open-in-this-container",
-  storageArea: {
-    area: browser.storage.local,
-
-    getSiteStoreKey(pageUrl) {
-      const url = new window.URL(pageUrl);
-      const storagePrefix = "siteContainerMap@@_";
-      return `${storagePrefix}${url.hostname}`;
-    },
-
-    get(pageUrl) {
-      const siteStoreKey = this.getSiteStoreKey(pageUrl);
-      return new Promise((resolve, reject) => {
-        this.area.get([siteStoreKey]).then((storageResponse) => {
-          if (storageResponse && siteStoreKey in storageResponse) {
-            resolve(storageResponse[siteStoreKey]);
-          }
-          resolve(null);
-        }).catch((e) => {
-          reject(e);
-        });
-      });
-    },
-
-    set(pageUrl, data) {
-      const siteStoreKey = this.getSiteStoreKey(pageUrl);
-      return this.area.set({
-        [siteStoreKey]: data
-      });
-    },
-
-    remove(pageUrl) {
-      const siteStoreKey = this.getSiteStoreKey(pageUrl);
-      return this.area.remove([siteStoreKey]);
-    },
-
-    deleteContainer(userContextId) {
-      const removeKeys = [];
-      this.area.get().then((siteConfigs) => {
-        Object.keys(siteConfigs).forEach((key) => {
-          // For some reason this is stored as string... lets check them both as that
-          if (String(siteConfigs[key].userContextId) === String(userContextId)) {
-            removeKeys.push(key);
-          }
-        });
-        this.area.remove(removeKeys);
-      }).catch((e) => {
-        throw e;
-      });
-    }
-  },
-
-  init() {
-    browser.runtime.onMessage.addListener((neverAskMessage) => {
-      const pageUrl = neverAskMessage.pageUrl;
-      if (neverAskMessage.neverAsk === true) {
-        // If we have existing data and for some reason it hasn't been deleted etc lets update it
-        this.storageArea.get(pageUrl).then((siteSettings) => {
-          if (siteSettings) {
-            siteSettings.neverAsk = true;
-            this.storageArea.set(pageUrl, siteSettings);
-          }
-        }).catch((e) => {
-          throw e;
-        });
-      }
-    });
-
-    browser.contextMenus.onClicked.addListener((info, tab) => {
-      const userContextId = this.getUserContextIdFromCookieStore(tab);
-      // Mapping ${URL(info.pageUrl).hostname} to ${userContextId}
-      if (userContextId) {
-        let actionName;
-        let storageAction;
-        if (info.menuItemId === this.MENU_ASSIGN_ID) {
-          actionName = "added";
-          storageAction = this.storageArea.set(info.pageUrl, {
-            userContextId,
-            neverAsk: false
-          });
-        } else {
-          actionName = "removed";
-          storageAction = this.storageArea.remove(info.pageUrl);
-        }
-        storageAction.then(() => {
-          browser.notifications.create({
-            type: "basic",
-            title: "Containers",
-            message: `Successfully ${actionName} site to always open in this container`,
-            iconUrl: browser.extension.getURL("/img/onboarding-1.png")
-          });
-          browser.runtime.sendMessage({
-            method: "sendTelemetryPayload",
-            event: `${actionName}-container-assignment`,
-            userContextId: userContextId,
-          });
-          this.calculateContextMenu(tab);
-        }).catch((e) => {
-          throw e;
-        });
-      }
-    });
-
-    // Before a request is handled by the browser we decide if we should route through a different container
-    browser.webRequest.onBeforeRequest.addListener((options) => {
-      if (options.frameId !== 0 || options.tabId === -1) {
-        return {};
-      }
-      return Promise.all([
-        browser.tabs.get(options.tabId),
-        this.storageArea.get(options.url)
-      ]).then(([tab, siteSettings]) => {
-        const userContextId = this.getUserContextIdFromCookieStore(tab);
-        if (!siteSettings
-            || userContextId === siteSettings.userContextId
-            || tab.incognito) {
-          return {};
-        }
-
-        this.reloadPageInContainer(options.url, siteSettings.userContextId, tab.index + 1, siteSettings.neverAsk);
-        this.calculateContextMenu(tab);
-
-        /* Removal of existing tabs:
-           We aim to open the new assigned container tab / warning prompt in it's own tab:
-             - As the history won't span from one container to another it seems most sane to not try and reopen a tab on history.back()
-             - When users open a new tab themselves we want to make sure we don't end up with three tabs as per: https://github.com/mozilla/testpilot-containers/issues/421
-           If we are coming from an internal url that are used for the new tab page (CLOSEABLE_WINDOWS), we can safely close as user is unlikely losing history
-           Detecting redirects on "new tab" opening actions is pretty hard as we don't get tab history:
-           - Redirects happen from Short URLs and tracking links that act as a gateway
-           - Extensions don't provide a way to history crawl for tabs, we could inject content scripts to do this
-               however they don't run on about:blank so this would likely be just as hacky.
-           We capture the time the tab was created and close if it was within the timeout to try to capture pages which haven't had user interaction or history.
-        */
-        if (this.CLOSEABLE_WINDOWS.has(tab.url)
-            || (messageHandler.lastCreatedTab
-            && messageHandler.lastCreatedTab.id === tab.id)) {
-          browser.tabs.remove(tab.id);
-        }
-        return {
-          cancel: true,
-        };
-      }).catch((e) => {
-        throw e;
-      });
-    },{urls: ["<all_urls>"], types: ["main_frame"]}, ["blocking"]);
-  },
-
-
-  deleteContainer(userContextId) {
-    this.storageArea.deleteContainer(userContextId);
-  },
-
-  getUserContextIdFromCookieStore(tab) {
-    if (!("cookieStoreId" in tab)) {
-      return false;
-    }
-    const cookieStore = tab.cookieStoreId;
-    const container = cookieStore.replace("firefox-container-", "");
-    if (container !== cookieStore) {
-      return container;
-    }
-    return false;
-  },
-
-  isTabPermittedAssign(tab) {
-    // Ensure we are not an important about url
-    // Ensure we are not in incognito mode
-    const url = new URL(tab.url);
-    if (url.protocol === "about:"
-        || tab.incognito) {
-      return false;
-    }
-    return true;
-  },
-
-  calculateContextMenu(tab) {
-    // There is a focus issue in this menu where if you change window with a context menu click
-    // you get the wrong menu display because of async
-    // See: https://bugzilla.mozilla.org/show_bug.cgi?id=1215376#c16
-    // We also can't change for always private mode
-    // See: https://bugzilla.mozilla.org/show_bug.cgi?id=1352102
-    const cookieStore = this.getUserContextIdFromCookieStore(tab);
-    browser.contextMenus.remove(this.MENU_ASSIGN_ID);
-    browser.contextMenus.remove(this.MENU_REMOVE_ID);
-    // Ensure we have a cookieStore to assign to
-    if (cookieStore
-        && this.isTabPermittedAssign(tab)) {
-      this.storageArea.get(tab.url).then((siteSettings) => {
-        // ✓ This is to mitigate https://bugzilla.mozilla.org/show_bug.cgi?id=1351418
-        let prefix = "   "; // Alignment of non breaking space, unknown why this requires so many spaces to align with the tick
-        let menuId = this.MENU_ASSIGN_ID;
-        if (siteSettings) {
-          prefix = "✓";
-          menuId = this.MENU_REMOVE_ID;
-        }
-        browser.contextMenus.create({
-          id: menuId,
-          title: `${prefix} Always Open in This Container`,
-          checked: true,
-          contexts: ["all"],
-        });
-      }).catch((e) => {
-        throw e;
-      });
-    }
-  },
-
-  reloadPageInContainer(url, userContextId, index, neverAsk = false) {
-    const loadPage = browser.extension.getURL("confirm-page.html");
-    // If the user has explicitly checked "Never Ask Again" on the warning page we will send them straight there
-    if (neverAsk) {
-      browser.tabs.create({url, cookieStoreId: `firefox-container-${userContextId}`, index});
-      browser.runtime.sendMessage({
-        method: "sendTelemetryPayload",
-        event: "auto-reload-page-in-container",
-        userContextId: userContextId,
-      });
-    } else {
-      browser.runtime.sendMessage({
-        method: "sendTelemetryPayload",
-        event: "prompt-to-reload-page-in-container",
-        userContextId: userContextId,
-      });
-      const confirmUrl = `${loadPage}?url=${url}`;
-      browser.tabs.create({url: confirmUrl, cookieStoreId: `firefox-container-${userContextId}`, index}).then(() => {
-        // We don't want to sync this URL ever nor clutter the users history
-        browser.history.deleteUrl({url: confirmUrl});
-      }).catch((e) => {
-        throw e;
-      });
-    }
-  }
-};
-
-const messageHandler = {
-  // After the timer completes we assume it's a tab the user meant to keep open
-  // We use this to catch redirected tabs that have just opened
-  // If this were in platform we would change how the tab opens based on "new tab" link navigations such as ctrl+click
-  LAST_CREATED_TAB_TIMER: 2000,
-
-  init() {
-    // Handles messages from index.js
-    const port = browser.runtime.connect();
-    port.onMessage.addListener(m => {
-      switch (m.type) {
-      case "lightweight-theme-changed":
-        themeManager.update(m.message);
-        break;
-      case "delete-container":
-        assignManager.deleteContainer(m.message.userContextId);
-        break;
-      default:
-        throw new Error(`Unhandled message type: ${m.message}`);
-      }
-    });
-
-    browser.tabs.onCreated.addListener((tab) => {
-      // This works at capturing the tabs as they are created
-      // However we need onFocusChanged and onActivated to capture the initial tab
-      if (tab.id === -1) {
-        return {};
-      }
-      tabPageCounter.initTabCounter(tab);
-    });
-
-    browser.tabs.onRemoved.addListener((tabId) => {
-      if (tabId === -1) {
-        return {};
-      }
-      tabPageCounter.sendTabCountAndDelete(tabId);
-    });
-
-    browser.tabs.onActivated.addListener((info) => {
-      browser.tabs.get(info.tabId).then((tab) => {
-        tabPageCounter.initTabCounter(tab);
-        assignManager.calculateContextMenu(tab);
-      }).catch((e) => {
-        throw e;
-      });
-    });
-
-    browser.windows.onFocusChanged.addListener((windowId) => {
-      browser.tabs.query({active: true, windowId}).then((tabs) => {
-        if (tabs && tabs[0]) {
-          tabPageCounter.initTabCounter(tabs[0]);
-          assignManager.calculateContextMenu(tabs[0]);
-        }
-      }).catch((e) => {
-        throw e;
-      });
-    });
-
-    browser.idle.onStateChanged.addListener((newState) => {
-      browser.tabs.query({}).then(tabs => {
-        for (let tab of tabs) { // eslint-disable-line prefer-const
-          if (newState === "idle") {
-            tabPageCounter.sendTabCountAndDelete(tab.id, "user-went-idle");
-          } else if (newState === "active" && tab.active) {
-            tabPageCounter.initTabCounter(tab);
-          }
-        }
-      }).catch(e => {
-        throw e;
-      });
-    });
-
-    browser.webRequest.onCompleted.addListener((details) => {
-      if (details.frameId !== 0 || details.tabId === -1) {
-        return {};
-      }
-
-      browser.tabs.get(details.tabId).then((tab) => {
-        tabPageCounter.incrementTabCount(tab);
-        assignManager.calculateContextMenu(tab);
-      }).catch((e) => {
-        throw e;
-      });
-    }, {urls: ["<all_urls>"], types: ["main_frame"]});
-
-    // lets remember the last tab created so we can close it if it looks like a redirect
-    browser.tabs.onCreated.addListener((details) => {
-      this.lastCreatedTab = details;
-      setTimeout(() => {
-        this.lastCreatedTab = null;
-      }, this.LAST_CREATED_TAB_TIMER);
-    });
-
-  }
-};
-
-const themeManager = {
-  existingTheme: null,
-  init() {
-    this.check();
-  },
-  setPopupIcon(theme) {
-    let icons = {
-      16: "img/container-site-d-24.png",
-      32: "img/container-site-d-48.png"
-    };
-    if (theme === "firefox-compact-dark@mozilla.org") {
-      icons = {
-        16: "img/container-site-w-24.png",
-        32: "img/container-site-w-48.png"
-      };
-    }
-    browser.browserAction.setIcon({
-      path: icons
-    });
-  },
-  check() {
-    browser.runtime.sendMessage({
-      method: "getTheme"
-    }).then((theme) => {
-      this.update(theme);
-    }).catch(() => {
-      throw new Error("Unable to get theme");
-    });
-  },
-  update(theme) {
-    if (this.existingTheme !== theme) {
-      this.setPopupIcon(theme);
-      this.existingTheme = theme;
-    }
-  }
-};
-
-const tabPageCounter = {
-  counters: {},
-
-  initTabCounter(tab) {
-    if (tab.id in this.counters) {
-      if (!("activity" in this.counters[tab.id])) {
-        this.counters[tab.id].activity = {
-          "cookieStoreId": tab.cookieStoreId,
-          "pageRequests": 0
-        };
-      }
-      if (!("tab" in this.counters[tab.id])) {
-        this.counters[tab.id].tab = {
-          "cookieStoreId": tab.cookieStoreId,
-          "pageRequests": 0
-        };
-      }
-    } else {
-      this.counters[tab.id] = {};
-      this.counters[tab.id].tab = {
-        "cookieStoreId": tab.cookieStoreId,
-        "pageRequests": 0
-      };
-      this.counters[tab.id].activity = {
-        "cookieStoreId": tab.cookieStoreId,
-        "pageRequests": 0
-      };
-    }
-  },
-
-  sendTabCountAndDelete(tabId, why = "user-closed-tab") {
-    if (!(this.counters[tabId])) {
-      return;
-    }
-    if (why === "user-closed-tab" && this.counters[tabId].tab) {
-      browser.runtime.sendMessage({
-        method: "sendTelemetryPayload",
-        event: "page-requests-completed-per-tab",
-        userContextId: this.counters[tabId].tab.cookieStoreId,
-        pageRequestCount: this.counters[tabId].tab.pageRequests
-      });
-      // When we send the ping because the user closed the tab,
-      // delete both the 'tab' and 'activity' counters
-      delete this.counters[tabId];
-    } else if (why === "user-went-idle" && this.counters[tabId].activity) {
-      browser.runtime.sendMessage({
-        method: "sendTelemetryPayload",
-        event: "page-requests-completed-per-activity",
-        userContextId: this.counters[tabId].activity.cookieStoreId,
-        pageRequestCount: this.counters[tabId].activity.pageRequests
-      });
-      // When we send the ping because the user went idle,
-      // only reset the 'activity' counter
-      this.counters[tabId].activity = {
-        "cookieStoreId": this.counters[tabId].tab.cookieStoreId,
-        "pageRequests": 0
-      };
-    }
-  },
-
-  incrementTabCount(tab) {
-    this.counters[tab.id].tab.pageRequests++;
-    this.counters[tab.id].activity.pageRequests++;
-  }
-};
-
-assignManager.init();
-themeManager.init();
-// Lets do this last as theme manager did a check before connecting before
-messageHandler.init();
-
-browser.runtime.sendMessage({
-  method: "getPreference",
-  pref: "browser.privatebrowsing.autostart"
-}).then(pbAutoStart => {
-
-  // We don't want to disable the addon if we are in auto private-browsing.
-  if (!pbAutoStart) {
-    browser.tabs.onCreated.addListener(tab => {
-      if (tab.incognito) {
-        disableAddon(tab.id);
-      }
-    });
-
-    browser.tabs.query({}).then(tabs => {
-      for (let tab of tabs) { // eslint-disable-line prefer-const
-        if (tab.incognito) {
-          disableAddon(tab.id);
-        }
-      }
-    }).catch(() => {});
-  }
-}).catch(() => {});
-
-function disableAddon(tabId) {
-  browser.browserAction.disable(tabId);
-  browser.browserAction.setTitle({ tabId, title: "Containers disabled in Private Browsing Mode" });
-}
@@ -1,33 +0,0 @@
-<html>
-<head>
-  <meta http-equiv="content-type" content="text/html; charset=utf-8">
-  <title>Containers confirm navigation</title>
-  <link xmlns="http://www.w3.org/1999/xhtml" rel="stylesheet" href="chrome://browser/skin/aboutNetError.css" type="text/css" media="all" />
-  <link rel="stylesheet" href="/css/confirm-page.css" />
-</head>
-<body>
-  <main>
-    <div class="title">
-      <h1 class="title-text">Should we open this in your container?</h1>
-    </div>
-    <form id="redirect-form">
-      <p>
-        Looks like you requested:
-      </p>
-      <div id="redirect-url"></div>
-      <p>
-        You asked <dfn id="browser-name" title="Thanks for trying out Containers. Sorry we may have got your browser name wrong. #FxNightly" >Firefox</dfn> to always open <dfn id="redirect-site"></dfn> in <dfn>this</dfn> type of container. Would you like to proceed?<br />
-      </p>
-      <br />
-      <br />
-      <input id="never-ask" type="checkbox" /><label for="never-ask">Remember my decision for this site</label>
-      <br />
-      <div class="button-container">
-        <button id="confirm" class="button primary" autofocus>Take me there</button>
-      </div>
-    </form>
-  </main>
-
-  <script src="js/confirm-page.js"></script>
-</body>
-</html>
@@ -1,41 +0,0 @@
-/* General Rules and Resets */
-.title {
-  background-image: none;
-}
-
-main {
-  background: url(/img/onboarding-1.png) no-repeat;
-  background-position: -10px -15px;
-  background-size: 285px;
-  margin-inline-start: -285px;
-  padding-inline-start: 285px;
-}
-
-@media only screen and (max-width: 1300px) {
-  main {
-    background: none;
-  }
-
-  /* for a mid sized window we have enough for this but not our image */
-  .title {
-    background-image: url("chrome://global/skin/icons/info.svg");
-  }
-}
-
-html {
-  box-sizing: border-box;
-  font: message-box;
-}
-
-#redirect-url,
-#redirect-origin {
-  font-weight: bold;
-
-  /* max-inline-size is needed to force this text smaller than the layout at a mid-sized window */
-  max-inline-size: 40rem;
-  word-break: break-all;
-}
-
-dfn {
-  font-style: normal;
-}
@@ -1,593 +0,0 @@
-/* General Rules and Resets */
-body {
-  inline-size: 300px;
-  max-inline-size: 300px;
-}
-
-html {
-  box-sizing: border-box;
-}
-
-*,
-*::before,
-*::after {
-  box-sizing: inherit;
-}
-
-table {
-  border: 0;
-  border-spacing: 0;
-  inline-size: 100%;
-  margin-block-end: 0;
-  margin-block-start: 0;
-  margin-inline-end: 0;
-  margin-inline-start: 0;
-}
-
-/* Helper Classes */
-.hide {
-  display: none !important;
-}
-
-.scrollable {
-  inline-size: 100%;
-  max-block-size: 400px;
-  overflow: auto;
-}
-
-/* Color and icon helpers */
-[data-identity-color="blue"] {
-  --identity-tab-color: #37adff;
-  --identity-icon-color: #37adff;
-}
-
-[data-identity-color="turquoise"] {
-  --identity-tab-color: #00c79a;
-  --identity-icon-color: #00c79a;
-}
-
-[data-identity-color="green"] {
-  --identity-tab-color: #51cd00;
-  --identity-icon-color: #51cd00;
-}
-
-[data-identity-color="yellow"] {
-  --identity-tab-color: #ffcb00;
-  --identity-icon-color: #ffcb00;
-}
-
-[data-identity-color="orange"] {
-  --identity-tab-color: #ff9f00;
-  --identity-icon-color: #ff9f00;
-}
-
-[data-identity-color="red"] {
-  --identity-tab-color: #ff613d;
-  --identity-icon-color: #ff613d;
-}
-
-[data-identity-color="pink"] {
-  --identity-tab-color: #ff4bda;
-  --identity-icon-color: #ff4bda;
-}
-
-[data-identity-color="purple"] {
-  --identity-tab-color: #af51f5;
-  --identity-icon-color: #af51f5;
-}
-
-[data-identity-icon="fingerprint"] {
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-<circle class="st0" cx="6" cy="6" r="2"/>
-<path class="st0" d="M11.5,5.4C11.4,5.2,8.6,2.3,6,2.3s-5.4,3-5.5,3.1C0.3,5.6,0.2,5.8,0.2,6v0c0,0.2,0.1,0.4,0.2,0.6
-	C0.6,6.8,3.4,9.8,6,9.8s5.4-3,5.5-3.1c0.2-0.2,0.2-0.4,0.2-0.6v0C11.7,5.8,11.7,5.6,11.5,5.4z M10.8,6C10.6,6.2,8.1,8.9,6,8.9
-	S1.3,6.2,1.1,6l0,0C1.3,5.8,3.8,3.1,6,3.1S10.6,5.8,10.8,6L10.8,6z"/>
-</svg>
@@ -1,30 +0,0 @@
-const redirectUrl = new URL(window.location).searchParams.get("url");
-document.getElementById("redirect-url").textContent = redirectUrl;
-const redirectSite = new URL(redirectUrl).hostname;
-document.getElementById("redirect-site").textContent = redirectSite;
-
-document.getElementById("redirect-form").addEventListener("submit", (e) => {
-  e.preventDefault();
-  const neverAsk = document.getElementById("never-ask").checked;
-  // Sending neverAsk message to background to store for next time we see this process
-  if (neverAsk) {
-    browser.runtime.sendMessage({
-      neverAsk: true,
-      pageUrl: redirectUrl
-    }).then(() => {
-      redirect();
-    }).catch(() => {
-      // Can't really do much here user will have to click it again
-    });
-  }
-  browser.runtime.sendMessage({
-    method: "sendTelemetryPayload",
-    event: "click-to-reload-page-in-container",
-  });
-  redirect();
-});
-
-function redirect() {
-  const redirectUrl = document.getElementById("redirect-url").textContent;
-  document.location.replace(redirectUrl);
-}
@@ -1,634 +0,0 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this file,
- * You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-const CONTAINER_HIDE_SRC = "/img/container-hide.svg";
-const CONTAINER_UNHIDE_SRC = "/img/container-unhide.svg";
-
-const DEFAULT_COLOR = "blue";
-const DEFAULT_ICON = "circle";
-
-// List of panels
-const P_ONBOARDING_1     = "onboarding1";
-const P_ONBOARDING_2     = "onboarding2";
-const P_ONBOARDING_3     = "onboarding3";
-const P_CONTAINERS_LIST  = "containersList";
-const P_CONTAINERS_EDIT  = "containersEdit";
-const P_CONTAINER_INFO   = "containerInfo";
-const P_CONTAINER_EDIT   = "containerEdit";
-const P_CONTAINER_DELETE = "containerDelete";
-
-/**
- * Escapes any occurances of &, ", <, > or / with XML entities.
- *
- * @param {string} str
- *        The string to escape.
- * @return {string} The escaped string.
- */
-function escapeXML(str) {
-  const replacements = {"&": "&amp;", "\"": "&quot;", "'": "&apos;", "<": "&lt;", ">": "&gt;", "/": "&#x2F;"};
-  return String(str).replace(/[&"'<>/]/g, m => replacements[m]);
-}
-
-/**
- * A tagged template function which escapes any XML metacharacters in
- * interpolated values.
- *
- * @param {Array<string>} strings
- *        An array of literal strings extracted from the templates.
- * @param {Array} values
- *        An array of interpolated values extracted from the template.
- * @returns {string}
- *        The result of the escaped values interpolated with the literal
- *        strings.
- */
-function escaped(strings, ...values) {
-  const result = [];
-
-  for (const [i, string] of strings.entries()) {
-    result.push(string);
-    if (i < values.length)
-      result.push(escapeXML(values[i]));
-  }
-
-  return result.join("");
-}
-
-// This object controls all the panels, identities and many other things.
-const Logic = {
-  _identities: [],
-  _currentIdentity: null,
-  _currentPanel: null,
-  _previousPanel: null,
-  _panels: {},
-
-  init() {
-    // Retrieve the list of identities.
-    this.refreshIdentities()
-
-    // Routing to the correct panel.
-    .then(() => {
-      // If localStorage is disabled, we don't show the onboarding.
-      if (!localStorage || localStorage.getItem("onboarded3")) {
-        this.showPanel(P_CONTAINERS_LIST);
-      } else if (localStorage.getItem("onboarded2")) {
-        this.showPanel(P_ONBOARDING_3);
-      } else if (localStorage.getItem("onboarded1")) {
-        this.showPanel(P_ONBOARDING_2);
-      } else {
-        this.showPanel(P_ONBOARDING_1);
-      }
-    })
-
-    .catch(() => {
-      throw new Error("Failed to retrieve the identities. We cannot continue.");
-    });
-  },
-
-  refreshIdentities() {
-    return browser.runtime.sendMessage({
-      method: "queryIdentities"
-    })
-    .then(identities => {
-      this._identities = identities;
-    });
-  },
-
-  showPanel(panel, currentIdentity = null) {
-    // Invalid panel... ?!?
-    if (!(panel in this._panels)) {
-      throw new Error("Something really bad happened. Unknown panel: " + panel);
-    }
-
-    this._previousPanel = this._currentPanel;
-    this._currentPanel = panel;
-
-    this._currentIdentity = currentIdentity;
-
-    // Initialize the panel before showing it.
-    this._panels[panel].prepare().then(() => {
-      for (let panelElement of document.querySelectorAll(".panel")) { // eslint-disable-line prefer-const
-        panelElement.classList.add("hide");
-      }
-      document.querySelector(this._panels[panel].panelSelector).classList.remove("hide");
-    })
-    .catch(() => {
-      throw new Error("Failed to show panel " + panel);
-    });
-  },
-
-  showPreviousPanel() {
-    if (!this._previousPanel) {
-      throw new Error("Current panel not set!");
-    }
-
-    this.showPanel(this._previousPanel, this._currentIdentity);
-  },
-
-  registerPanel(panelName, panelObject) {
-    this._panels[panelName] = panelObject;
-    panelObject.initialize();
-  },
-
-  identities() {
-    return this._identities;
-  },
-
-  currentIdentity() {
-    if (!this._currentIdentity) {
-      throw new Error("CurrentIdentity must be set before calling Logic.currentIdentity.");
-    }
-    return this._currentIdentity;
-  },
-
-  generateIdentityName() {
-    const defaultName = "Container #";
-    const ids = [];
-
-    // This loop populates the 'ids' array with all the already-used ids.
-    this._identities.forEach(identity => {
-      if (identity.name.startsWith(defaultName)) {
-        const id = parseInt(identity.name.substr(defaultName.length), 10);
-        if (id) {
-          ids.push(id);
-        }
-      }
-    });
-
-    // Here we find the first valid id.
-    for (let id = 1;; ++id) {
-      if (ids.indexOf(id) === -1) {
-        return defaultName + (id < 10 ? "0" : "") + id;
-      }
-    }
-  },
-};
-
-// P_ONBOARDING_1: First page for Onboarding.
-// ----------------------------------------------------------------------------
-
-Logic.registerPanel(P_ONBOARDING_1, {
-  panelSelector: ".onboarding-panel-1",
-
-  // This method is called when the object is registered.
-  initialize() {
-    // Let's move to the next panel.
-    document.querySelector("#onboarding-start-button").addEventListener("click", () => {
-      localStorage.setItem("onboarded1", true);
-      Logic.showPanel(P_ONBOARDING_2);
-    });
-  },
-
-  // This method is called when the panel is shown.
-  prepare() {
-    return Promise.resolve(null);
-  },
-});
-
-// P_ONBOARDING_2: Second page for Onboarding.
-// ----------------------------------------------------------------------------
-
-Logic.registerPanel(P_ONBOARDING_2, {
-  panelSelector: ".onboarding-panel-2",
-
-  // This method is called when the object is registered.
-  initialize() {
-    // Let's move to the containers list panel.
-    document.querySelector("#onboarding-next-button").addEventListener("click", () => {
-      localStorage.setItem("onboarded2", true);
-      Logic.showPanel(P_ONBOARDING_3);
-    });
-  },
-
-  // This method is called when the panel is shown.
-  prepare() {
-    return Promise.resolve(null);
-  },
-});
-
-// P_ONBOARDING_3: Third page for Onboarding.
-// ----------------------------------------------------------------------------
-
-Logic.registerPanel(P_ONBOARDING_3, {
-  panelSelector: ".onboarding-panel-3",
-
-  // This method is called when the object is registered.
-  initialize() {
-    // Let's move to the containers list panel.
-    document.querySelector("#onboarding-done-button").addEventListener("click", () => {
-      localStorage.setItem("onboarded3", true);
-      Logic.showPanel(P_CONTAINERS_LIST);
-    });
-  },
-
-  // This method is called when the panel is shown.
-  prepare() {
-    return Promise.resolve(null);
-  },
-});
-
-// P_CONTAINERS_LIST: The list of containers. The main page.
-// ----------------------------------------------------------------------------
-
-Logic.registerPanel(P_CONTAINERS_LIST, {
-  panelSelector: "#container-panel",
-
-  // This method is called when the object is registered.
-  initialize() {
-    document.querySelector("#container-add-link").addEventListener("click", () => {
-      Logic.showPanel(P_CONTAINER_EDIT, { name: Logic.generateIdentityName() });
-    });
-
-    document.querySelector("#edit-containers-link").addEventListener("click", () => {
-      browser.runtime.sendMessage({
-        method: "sendTelemetryPayload",
-        event: "edit-containers"
-      });
-      Logic.showPanel(P_CONTAINERS_EDIT);
-    });
-
-    document.querySelector("#sort-containers-link").addEventListener("click", () => {
-      browser.runtime.sendMessage({
-        method: "sortTabs"
-      }).then(() => {
-        window.close();
-      }).catch(() => {
-        window.close();
-      });
-    });
-  },
-
-  // This method is called when the panel is shown.
-  prepare() {
-    const fragment = document.createDocumentFragment();
-
-    Logic.identities().forEach(identity => {
-      const hasTabs = (identity.hasHiddenTabs || identity.hasOpenTabs);
-      const tr = document.createElement("tr");
-      const context = document.createElement("td");
-      const manage = document.createElement("td");
-
-      tr.classList.add("container-panel-row");
-      context.classList.add("userContext-wrapper", "open-newtab", "clickable");
-      manage.classList.add("show-tabs", "pop-button");
-      context.innerHTML = escaped`
-        <div class="userContext-icon-wrapper open-newtab">
-          <div class="userContext-icon"
-            data-identity-icon="${identity.image}"
-            data-identity-color="${identity.color}">
-          </div>
-        </div>
-        <div class="container-name"></div>`;
-      context.querySelector(".container-name").textContent = identity.name;
-      manage.innerHTML = "<img src='/img/container-arrow.svg' class='show-tabs pop-button-image-small' />";
-
-      fragment.appendChild(tr);
-
-      tr.appendChild(context);
-
-      if (hasTabs) {
-        tr.appendChild(manage);
-      }
-
-      tr.addEventListener("click", e => {
-        if (e.target.matches(".open-newtab") || e.target.parentNode.matches(".open-newtab")) {
-          browser.runtime.sendMessage({
-            method: "openTab",
-            userContextId: identity.userContextId,
-            source: "pop-up"
-          }).then(() => {
-            window.close();
-          }).catch(() => {
-            window.close();
-          });
-        } else if (hasTabs) {
-          Logic.showPanel(P_CONTAINER_INFO, identity);
-        }
-      });
-    });
-
-    const list = document.querySelector(".identities-list");
-
-    list.innerHTML = "";
-    list.appendChild(fragment);
-
-    return Promise.resolve();
-  },
-});
-
-// P_CONTAINER_INFO: More info about a container.
-// ----------------------------------------------------------------------------
-
-Logic.registerPanel(P_CONTAINER_INFO, {
-  panelSelector: "#container-info-panel",
-
-  // This method is called when the object is registered.
-  initialize() {
-    document.querySelector("#close-container-info-panel").addEventListener("click", () => {
-      Logic.showPreviousPanel();
-    });
-
-    document.querySelector("#container-info-hideorshow").addEventListener("click", () => {
-      const identity = Logic.currentIdentity();
-      browser.runtime.sendMessage({
-        method: identity.hasHiddenTabs ? "showTabs" : "hideTabs",
-        userContextId: identity.userContextId
-      }).then(() => {
-        window.close();
-      }).catch(() => {
-        window.close();
-      });
-    });
-
-    // Check if the user has incompatible add-ons installed
-    browser.runtime.sendMessage({
-      method: "checkIncompatibleAddons"
-    }).then(incompatible => {
-      const moveTabsEl = document.querySelector("#container-info-movetabs");
-      if (incompatible) {
-        const fragment = document.createDocumentFragment();
-        const incompatEl = document.createElement("div");
-
-        moveTabsEl.classList.remove("clickable");
-        moveTabsEl.setAttribute("title", "Moving container tabs is incompatible with Pulse, PageShot, and SnoozeTabs.");
-
-        fragment.appendChild(incompatEl);
-        incompatEl.setAttribute("id", "container-info-movetabs-incompat");
-        incompatEl.textContent = "Incompatible with other Experiments.";
-        incompatEl.classList.add("container-info-tab-row");
-
-        moveTabsEl.parentNode.insertBefore(fragment, moveTabsEl.nextSibling);
-      } else {
-        moveTabsEl.addEventListener("click", () => {
-          return browser.runtime.sendMessage({
-            method: "moveTabsToWindow",
-            userContextId: Logic.currentIdentity().userContextId,
-          }).then(() => {
-            window.close();
-          });
-        });
-      }
-    }).catch(() => {
-      throw new Error("Could not check for incompatible add-ons.");
-    });
-  },
-
-  // This method is called when the panel is shown.
-  prepare() {
-    const identity = Logic.currentIdentity();
-
-    // Populating the panel: name and icon
-    document.getElementById("container-info-name").textContent = identity.name;
-
-    const icon = document.getElementById("container-info-icon");
-    icon.setAttribute("data-identity-icon", identity.image);
-    icon.setAttribute("data-identity-color", identity.color);
-
-    // Show or not the has-tabs section.
-    for (let trHasTabs of document.getElementsByClassName("container-info-has-tabs")) { // eslint-disable-line prefer-const
-      trHasTabs.style.display = !identity.hasHiddenTabs && !identity.hasOpenTabs ? "none" : "";
-    }
-
-    const hideShowIcon = document.getElementById("container-info-hideorshow-icon");
-    hideShowIcon.src = identity.hasHiddenTabs ? CONTAINER_UNHIDE_SRC : CONTAINER_HIDE_SRC;
-
-    const hideShowLabel = document.getElementById("container-info-hideorshow-label");
-    hideShowLabel.textContent = identity.hasHiddenTabs ? "Show this container" : "Hide this container";
-
-    // Let's remove all the previous tabs.
-    const table = document.getElementById("container-info-table");
-    while (table.firstChild) {
-      table.firstChild.remove();
-    }
-
-    // Let's retrieve the list of tabs.
-    return browser.runtime.sendMessage({
-      method: "getTabs",
-      userContextId: identity.userContextId,
-    }).then(this.buildInfoTable);
-  },
-
-  buildInfoTable(tabs) {
-    // For each one, let's create a new line.
-    const fragment = document.createDocumentFragment();
-    for (let tab of tabs) { // eslint-disable-line prefer-const
-      const tr = document.createElement("tr");
-      fragment.appendChild(tr);
-      tr.classList.add("container-info-tab-row");
-      tr.innerHTML = escaped`
-        <td><img class="icon" src="${tab.favicon}" /></td>
-        <td class="container-info-tab-title">${tab.title}</td>`;
-
-      // On click, we activate this tab. But only if this tab is active.
-      if (tab.active) {
-        tr.classList.add("clickable");
-        tr.addEventListener("click", () => {
-          browser.runtime.sendMessage({
-            method: "showTab",
-            tabId: tab.id,
-          }).then(() => {
-            window.close();
-          }).catch(() => {
-            window.close();
-          });
-        });
-      }
-    }
-
-    document.getElementById("container-info-table").appendChild(fragment);
-  },
-});
-
-// P_CONTAINERS_EDIT: Makes the list editable.
-// ----------------------------------------------------------------------------
-
-Logic.registerPanel(P_CONTAINERS_EDIT, {
-  panelSelector: "#edit-containers-panel",
-
-  // This method is called when the object is registered.
-  initialize() {
-    document.querySelector("#exit-edit-mode-link").addEventListener("click", () => {
-      Logic.showPanel(P_CONTAINERS_LIST);
-    });
-  },
-
-  // This method is called when the panel is shown.
-  prepare() {
-    const fragment = document.createDocumentFragment();
-    Logic.identities().forEach(identity => {
-      const tr = document.createElement("tr");
-      fragment.appendChild(tr);
-      tr.classList.add("container-panel-row");
-      tr.innerHTML = escaped`
-        <td class="userContext-wrapper">
-          <div class="userContext-icon-wrapper">
-            <div class="userContext-icon"
-              data-identity-icon="${identity.image}"
-              data-identity-color="${identity.color}">
-            </div>
-          </div>
-          <div class="container-name"></div>
-        </td>
-        <td class="edit-container pop-button edit-container-icon">
-          <img
-            src="/img/container-edit.svg"
-            class="pop-button-image" />
-        </td>
-        <td class="remove-container pop-button delete-container-icon" >
-          <img
-            class="pop-button-image"
-            src="/img/container-delete.svg"
-          />
-        </td>`;
-      tr.querySelector(".container-name").textContent = identity.name;
-      tr.querySelector(".edit-container .pop-button-image").setAttribute("title", `Edit ${identity.name} container`);
-      tr.querySelector(".remove-container .pop-button-image").setAttribute("title", `Edit ${identity.name} container`);
-
-
-      tr.addEventListener("click", e => {
-        if (e.target.matches(".edit-container-icon") || e.target.parentNode.matches(".edit-container-icon")) {
-          Logic.showPanel(P_CONTAINER_EDIT, identity);
-        } else if (e.target.matches(".delete-container-icon") || e.target.parentNode.matches(".delete-container-icon")) {
-          Logic.showPanel(P_CONTAINER_DELETE, identity);
-        }
-      });
-    });
-
-    const list = document.querySelector("#edit-identities-list");
-
-    list.innerHTML = "";
-    list.appendChild(fragment);
-
-    return Promise.resolve(null);
-  },
-});
-
-// P_CONTAINER_EDIT: Editor for a container.
-// ----------------------------------------------------------------------------
-
-Logic.registerPanel(P_CONTAINER_EDIT, {
-  panelSelector: "#edit-container-panel",
-
-  // This method is called when the object is registered.
-  initialize() {
-    this.initializeRadioButtons();
-
-    document.querySelector("#edit-container-panel-back-arrow").addEventListener("click", () => {
-      Logic.showPreviousPanel();
-    });
-
-    document.querySelector("#edit-container-cancel-link").addEventListener("click", () => {
-      Logic.showPreviousPanel();
-    });
-
-    this._editForm = document.getElementById("edit-container-panel-form");
-    const editLink = document.querySelector("#edit-container-ok-link");
-    editLink.addEventListener("click", this._submitForm.bind(this));
-    editLink.addEventListener("submit", this._submitForm.bind(this));
-    this._editForm.addEventListener("submit", this._submitForm.bind(this));
-  },
-
-  _submitForm() {
-    const identity = Logic.currentIdentity();
-    const formValues = new FormData(this._editForm);
-    browser.runtime.sendMessage({
-      method: identity.userContextId ? "updateIdentity" : "createIdentity",
-      userContextId: identity.userContextId || 0,
-      name: document.getElementById("edit-container-panel-name-input").value || Logic.generateIdentityName(),
-      icon: formValues.get("container-icon") || DEFAULT_ICON,
-      color: formValues.get("container-color") || DEFAULT_COLOR,
-    }).then(() => {
-      return Logic.refreshIdentities();
-    }).then(() => {
-      Logic.showPreviousPanel();
-    }).catch(() => {
-      Logic.showPanel(P_CONTAINERS_LIST);
-    });
-  },
-
-  initializeRadioButtons() {
-    const colorRadioTemplate = (containerColor) => {
-      return escaped`<input type="radio" value="${containerColor}" name="container-color" id="edit-container-panel-choose-color-${containerColor}" />
-     <label for="edit-container-panel-choose-color-${containerColor}" class="usercontext-icon choose-color-icon" data-identity-icon="circle" data-identity-color="${containerColor}">`;
-    };
-    const colors = ["blue", "turquoise", "green", "yellow", "orange", "red", "pink", "purple" ];
-    const colorRadioFieldset = document.getElementById("edit-container-panel-choose-color");
-    colors.forEach((containerColor) => {
-      const templateInstance = document.createElement("span");
-      // eslint-disable-next-line no-unescaped/enforce
-      templateInstance.innerHTML = colorRadioTemplate(containerColor);
-      colorRadioFieldset.appendChild(templateInstance);
-    });
-
-    const iconRadioTemplate = (containerIcon) => {
-      return escaped`<input type="radio" value="${containerIcon}" name="container-icon" id="edit-container-panel-choose-icon-${containerIcon}" />
-     <label for="edit-container-panel-choose-icon-${containerIcon}" class="usercontext-icon choose-color-icon" data-identity-color="grey" data-identity-icon="${containerIcon}">`;
-    };
-    const icons = ["fingerprint", "briefcase", "dollar", "cart", "vacation", "gift", "food", "fruit", "pet", "tree", "chill", "circle"];
-    const iconRadioFieldset = document.getElementById("edit-container-panel-choose-icon");
-    icons.forEach((containerIcon) => {
-      const templateInstance = document.createElement("span");
-      // eslint-disable-next-line no-unescaped/enforce
-      templateInstance.innerHTML = iconRadioTemplate(containerIcon);
-      iconRadioFieldset.appendChild(templateInstance);
-    });
-  },
-
-  // This method is called when the panel is shown.
-  prepare() {
-    const identity = Logic.currentIdentity();
-    document.querySelector("#edit-container-panel-name-input").value = identity.name || "";
-    [...document.querySelectorAll("[name='container-color']")].forEach(colorInput => {
-      colorInput.checked = colorInput.value === identity.color;
-    });
-    [...document.querySelectorAll("[name='container-icon']")].forEach(iconInput => {
-      iconInput.checked = iconInput.value === identity.image;
-    });
-
-    return Promise.resolve(null);
-  },
-
-});
-
-// P_CONTAINER_DELETE: Delete a container.
-// ----------------------------------------------------------------------------
-
-Logic.registerPanel(P_CONTAINER_DELETE, {
-  panelSelector: "#delete-container-panel",
-
-  // This method is called when the object is registered.
-  initialize() {
-    document.querySelector("#delete-container-cancel-link").addEventListener("click", () => {
-      Logic.showPreviousPanel();
-    });
-
-    document.querySelector("#delete-container-ok-link").addEventListener("click", () => {
-      browser.runtime.sendMessage({
-        method: "removeIdentity",
-        userContextId: Logic.currentIdentity().userContextId,
-      }).then(() => {
-        return Logic.refreshIdentities();
-      }).then(() => {
-        Logic.showPreviousPanel();
-      }).catch(() => {
-        Logic.showPanel(P_CONTAINERS_LIST);
-      });
-    });
-  },
-
-  // This method is called when the panel is shown.
-  prepare() {
-    const identity = Logic.currentIdentity();
-
-    // Populating the panel: name and icon
-    document.getElementById("delete-container-name").textContent = identity.name;
-
-    const icon = document.getElementById("delete-container-icon");
-    icon.setAttribute("data-identity-icon", identity.image);
-    icon.setAttribute("data-identity-color", identity.color);
-
-    return Promise.resolve(null);
-  },
-});
-
-Logic.init();
@@ -1,48 +0,0 @@
-{
-  "manifest_version": 2,
-  "name": "Containers Experiment",
-  "version": "2.2.0",
-
-  "description": "Containers works by isolating cookie jars using separate origin-attributes defined visually by colored ‘Container Tabs’. This add-on is a modified version of the containers feature for Firefox Test Pilot.",
-  "icons": {
-    "48": "img/container-site-d-48.png",
-    "96": "img/container-site-d-96.png"
-  },
-
-  "applications": {
-    "gecko": {
-      "strict_min_version": "51.0",
-      "update_url": "https://testpilot.firefox.com/files/@testpilot-containers/updates.json"
-    }
-  },
-
-  "homepage_url": "https://testpilot.firefox.com/",
-
-  "permissions": [
-    "<all_urls>",
-    "activeTab",
-    "cookies",
-    "contextMenus",
-    "history",
-    "idle",
-    "notifications",
-    "storage",
-    "tabs",
-    "webRequestBlocking",
-    "webRequest"
-  ],
-
-  "browser_action": {
-    "browser_style": true,
-    "default_icon": {
-      "16": "img/container-site-d-24.png",
-      "32": "img/container-site-d-48.png"
-    },
-    "default_title": "Containers",
-    "default_popup": "popup.html"
-  },
-
-  "background": {
-    "scripts": ["background.js"]
-  }
-}
@@ -1,137 +0,0 @@
-<html>
-<head>
-  <meta http-equiv="content-type" content="text/html; charset=utf-8">
-  <title>Containers browserAction Popup</title>
-  <link rel="stylesheet" href="/css/popup.css">
-</head>
-<body>
-
-  <div class="hide panel onboarding onboarding-panel-1" id="onboarding-panel-1">
-    <img class="onboarding-img" alt="Container Tabs Overview" src="/img/onboarding-1.png" />
-    <h3 class="onboarding-title">A better way to manage all the things you do online</h3>
-    <p>
-      Use containers to organize tasks, manage accounts, and keep your focus where you want it.
-    </p>
-    <a href="#" id="onboarding-start-button" class="onboarding-button">Get Started</a>
-  </div>
-
-
-  <div class="panel onboarding onboarding-panel-2 hide" id="onboarding-panel-2">
-    <img class="onboarding-img" alt="How Containers Work" src="/img/onboarding-2.png" />
-    <h3 class="onboarding-title">Put containers to work for you.</h3>
-    <p>Features like color-coding and separate container tabs help you find things easily, focus your attention, and minimize distractions.</p>
-    <a href="#" id="onboarding-next-button" class="onboarding-button">Next</a>
-  </div>
-
-  <div class="panel onboarding onboarding-panel-3 hide" id="onboarding-panel-3">
-    <img class="onboarding-img" alt="How Containers Work" src="/img/onboarding-3.png" />
-    <h3 class="onboarding-title">A place for everything, and everything in its place.</h3>
-    <p>Start with the containers we've created, or create your own.</p>
-    <a href="#" id="onboarding-done-button" class="onboarding-button">Done</a>
-  </div>
-
-  <div class="panel container-panel hide" id="container-panel">
-    <div class="panel-header">
-      <h3 class="panel-header-text">Containers</h3>
-      <a class="pop-button" id="sort-containers-link"><img class="pop-button-image" alt="Sort Containers" title="Sort Containers" src="/img/container-sort.svg"></a>
-    </div>
-    <div class="scrollable panel-content">
-      <table>
-        <tbody class="identities-list"></tbody>
-      </table>
-    </div>
-    <div class="panel-footer edit-identities">
-      <div class="edit-containers-text panel-footer-secondary">
-        <a id="edit-containers-link">Edit Containers</a>
-      </div>
-      <a class="add-container-link pop-button" id="container-add-link">
-        <img class="pop-button-image-small icon" alt="Create new container icon" title="Create new container" src="/img/container-add.svg" />
-      </a>
-    </div>
-  </div>
-
-
-  <div class="hide panel container-info-panel" id="container-info-panel">
-    <div class="columns">
-      <div class="panel-back-arrow" id="close-container-info-panel">
-        <img alt="Panel Back Arrow" src="/img/container-arrow.svg" class="back-arrow-img" />
-      </div>
-      <div class="column-panel-content">
-        <div class="panel-header container-info-panel-header">
-          <span class="usercontext-icon" id="container-info-icon"></span>
-          <h3 id="container-info-name" class="panel-header-text container-name"></h3>
-        </div>
-        <div class="select-row clickable container-info-panel-hide container-info-has-tabs" id="container-info-hideorshow">
-          <img id="container-info-hideorshow-icon" alt="Hide Container icon" src="/img/container-hide.svg" class="icon container-info-panel-hideorshow-icon"/>
-          <span id="container-info-hideorshow-label">Hide this container</span>
-        </div>
-        <div class="select-row clickable container-info-panel-movetabs container-info-has-tabs" id="container-info-movetabs">Move tabs to a new window</div>
-        <div class="scrollable">
-          <table id="container-info-table" class="container-info-list">
-          </table>
-        </div>
-      </div>
-    </div>
-  </div>
-
-
-  <div class="panel edit-containers-panel hide" id="edit-containers-panel">
-    <div class="panel-header">
-      <h3 class="panel-header-text">Edit Containers</h3>
-    </div>
-    <div class="scrollable panel-content">
-      <table class="unstriped">
-        <tbody id="edit-identities-list"></tbody>
-      </table>
-    </div>
-    <div class="panel-footer edit-containers-panel-footer">
-      <a id="exit-edit-mode-link" class="exit-edit-mode-link edit-containers-exit-text">Exit Edit Mode</a>
-    </div>
-  </div>
-
-
-  <div class="panel edit-container-panel hide" id="edit-container-panel">
-    <div class="columns">
-      <div class="panel-back-arrow" id="edit-container-panel-back-arrow">
-        <img alt="Panel Back Arrow" src="/img/container-arrow.svg" class="back-arrow-img" />
-      </div>
-      <div class="column-panel-content">
-        <form id="edit-container-panel-form">
-          <fieldset>
-            <legend>Name</legend>
-            <input type="text" name="container-name" id="edit-container-panel-name-input" maxlength="25"/>
-          </fieldset>
-          <fieldset id="edit-container-panel-choose-color">
-            <legend>Choose a color</legend>
-          </fieldset>
-          <fieldset id="edit-container-panel-choose-icon">
-            <legend>Choose an icon</legend>
-          </fieldset>
-        </form>
-        <div class="panel-footer">
-          <a class="button secondary expanded footer-button cancel-button" id="edit-container-cancel-link">Cancel</a>
-          <a class="button primary expanded footer-button" id="edit-container-ok-link">OK</a>
-        </div>
-      </div>
-    </div>
-  </div>
-
-  <div class="hide panel delete-container-panel" id="delete-container-panel">
-    <div class="panel-header">
-      <span class="usercontext-icon" id="delete-container-icon"></span>
-      <h3 id="delete-container-name" class="panel-header-text container-name"></h3>
-    </div>
-    <div class="panel-content delete-container-confirm">
-      <h4 class="delete-container-confirm-title">Remove This Container</h4>
-      <p>If you remove this container now, <span id="delete-container-tab-count"></span> container tabs will be closed. Are you sure you want to remove this Container?</p>
-    </div>
-    <div class="panel-footer">
-      <a class="button expanded secondary footer-button cancel-button" id="delete-container-cancel-link">Cancel</a>
-      <a class="button expanded primary footer-button" id="delete-container-ok-link">OK</a>
-    </div>
-  </div>
-
-
-  <script src="js/popup.js"></script>
-</body>
-</html>