Examine source code of Disconnect

{
  "manifest_version" : 2 ,
  "name" : "Disconnect",
  "version" : "20.3.1.2",
  "description" : "Make the web faster, more private, and more secure.",
  "icons" : {
    "48" : "images/48.png",
    "128" : "images/128.png"
  },
  "permissions" : [
    "tabs" ,
    "webNavigation" ,
    "webRequest" ,
    "webRequestBlocking" ,
    "http://*/*" ,
    "https://*/*" 
  ],
  "web_accessible_resources" : [],
  "background" : {
    "scripts" : [
      "scripts/vendor/moment/moment.js" ,
      "scripts/vendor/jquery/jquery.js" ,
      "scripts/vendor/sitename/alttlds.js" ,
      "scripts/vendor/sitename/tldpatch.js" ,
      "scripts/vendor/sitename/sitename.js" ,
      "scripts/services.js" ,
      "scripts/background.js" 
    ]
  },
  "browser_action" : {
    "default_title" : "View and manage requests"
  },
  "content_scripts" : [
    {
      "matches" : [
        "http://*/*" ,
        "https://*/*" 
      ],
      "css" : [
        "stylesheets/content.css" 
      ],
      "js" : [
        "scripts/vendor/jquery/jquery.js" ,
        "scripts/vendor/sitename/alttlds.js" ,
        "scripts/vendor/sitename/tldpatch.js" ,
        "scripts/vendor/sitename/sitename.js" ,
        "scripts/content.js" 
      ],
      "run_at" : "document_start" ,
      "all_frames" : true 
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "2.0@disconnect.me"
    }
  }
}