Granted: access multiple AWS accounts at once

manifest.json

{
  "manifest_version": 2,
  "name": "Granted Containers",
  "description": "View multiple cloud accounts and regions in a single browser.",
  "version": "1.1.2",
  "browser_action": {
    "default_icon": "granted-icon.svg",
    "default_popup": "popup.html"
  },
  "background": {
    "scripts": [
      "js/backgroundPage.js"
    ],
    "persistent": false
  },
  "icons": {
    "16": "granted-icon.svg",
    "48": "granted-icon.svg",
    "128": "granted-icon.svg"
  },
  "protocol_handlers": [
    {
      "protocol": "ext+granted-containers",
      "name": "Open links in Granted Containers",
      "uriTemplate": "/opener.html#%s"
    }
  ],
  "permissions": [
    "contextualIdentities",
    "cookies",
    "tabs",
    "storage"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{b5e0e8de-ebfe-4306-9528-bcc18241a490}"
    }
  }
}