Examine source code of Active Cookie Manager

{
  "manifest_version": 2,
  "name": "Cookie Manager",
  "short_name": "CookieMan",
  "version": "1.1resigned1",
  "description": "Manage Active Cookies",
  "icons": {
    "16": "images/Icon-16.png",
    "32": "images/Icon-32.png",
    "48": "images/Icon-48.png",
    "64": "images/Icon-64.png",
    "128": "images/Icon-128.png"
  },
  "permissions": [
    "cookies",
    "http://*/*",
    "https://*/*"
  ],
  "browser_action": {
    "default_icon": {
      "19": "images/Icon-19.png",
      "38": "images/Icon-38.png"
    },
    "default_title": "Cookie Manager",
    "default_popup": "html/cookieManager.html"
  },
  "background": {
    "scripts": [
      "js/background.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{5fc79816-f662-4219-80a4-08225f9e719a}"
    }
  }
}