Examine source code of Tab Inventory

{
  "manifest_version": 2,
  "name": "__MSG_extensionName__",
  "version": "1.2.1",
  "description": "__MSG_extensionDescription__",
  "default_locale": "en",
  "permissions": [
    "tabs"
  ],
  "content_security_policy": "script-src 'self'; object-src 'none'; base-uri 'self'; form-action 'none';",
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "browser_action": {
    "default_popup": "popup.html",
    "default_title": "__MSG_browserActionTitle__",
    "default_icon": {
      "16": "icons/icon-16.png",
      "48": "icons/icon-48.png",
      "128": "icons/icon-128.png"
    }
  },
  "icons": {
    "16": "icons/icon-16.png",
    "48": "icons/icon-48.png",
    "128": "icons/icon-128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{f4479d65-b247-472e-b85c-b77db22fc641}"
    }
  }
}