Examine source code of SiteDelta Watch

{
  "manifest_version": 2,
  "name": "__MSG_watchExtensionName__",
  "version": "0.31.3",
  "default_locale": "en",
  "description": "__MSG_watchExtensionDescription__",
  "icons": {
    "16": "icons/watch-16.png",
    "24": "icons/watch-24.png",
    "32": "icons/watch-32.png",
    "48": "icons/watch-48.png",
    "64": "icons/watch-64.png",
    "128": "icons/watch-128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "sitedelta-watch@schierla.de",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      },
      "strict_min_version": "140.0"
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  },
  "permissions": [
    "notifications",
    "activeTab",
    "storage",
    "unlimitedStorage",
    "alarms"
  ],
  "optional_permissions": [
    "<all_urls>"
  ],
  "browser_action": {
    "default_icon": {
      "64": "icons/watch.svg"
    },
    "theme_icons": [
      {
        "dark": "icons/watch.svg",
        "light": "icons/watch-w.svg",
        "size": 64
      }
    ],
    "default_title": "__MSG_watchExtensionName__",
    "default_popup": "popup.htm"
  },
  "sidebar_action": {
    "default_icon": "icons/watch.svg",
    "default_panel": "pages.htm"
  },
  "options_ui": {
    "page": "options.htm"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  }
}