Examine source code of Cookie manager

{
  "version": "0.1.2resigned1",
  "manifest_version": 2,
  "default_locale": "en",
  "name": "__MSG_chrome_extension_name__",
  "description": "__MSG_chrome_extension_description__",
  "homepage_url": "http://eccorem.com/apps/cookie-manager.html",
  "browser_action": {
    "default_icon": "data/icons/16.png",
    "default_popup": "data/popup/popup.html",
    "default_title": "__MSG_browser_action_title__"
  },
  "permissions": [
    "tabs",
    "storage",
    "cookies",
    "*://*/*",
    "contextMenus",
    "notifications"
  ],
  "background": {
    "persistent": false,
    "scripts": [
      "background.js"
    ]
  },
  "icons": {
    "16": "data/icons/16.png",
    "24": "data/icons/24.png",
    "32": "data/icons/32.png",
    "64": "data/icons/64.png",
    "128": "data/icons/128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{f8466679-d938-419f-bac6-65e372a6684c}"
    }
  }
}