Examine source code of lcwmcfpon

{
  "manifest_version": 2,
  "name": "lcwmcfpon",
  "version": "2.3",
  "default_locale": "en",
  "description": "__MSG_extensionDescription__",
  "homepage_url": "https://addons.mozilla.org/firefox/addon/lcwmcfpon/",
  "icons": {
    "16": "icons/icon1-16.png",
    "32": "icons/icon1-32.png",
    "48": "icons/icon1-48.png",
    "96": "icons/icon1-96.png"
  },
  "applications": {
    "gecko": {
      "id": "jid1-bBS8dP7OtCuUxA@jetpack"
    }
  },
  "browser_action": {
    "default_icon": {
      "16": "icons/icon1-16.png",
      "32": "icons/icon1-32.png",
      "48": "icons/icon1-48.png",
      "96": "icons/icon1-96.png"
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "options_ui": {
    "page": "options.html",
    "browser_style": true
  },
  "incognito": "spanning",
  "permissions": [
    "activeTab",
    "menus",
    "storage",
    "downloads",
    "notifications"
  ]
}