Examine source code of Facebook Cookie Exporter

{
  "manifest_version": 2,
  "name": "Facebook Cookie Exporter",
  "version": "1.0",
  "description": "Export Facebook cookies in a specific format.",
  "permissions": [
    "cookies",
    "activeTab",
    "*://*.facebook.com/*"
  ],
  "browser_action": {
    "default_popup": "popup.html",
    "default_title": "Export Facebook Cookies"
  },
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "web_accessible_resources": [
    "popup.html"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{b2fa2c31-9300-4911-b7f2-f1c5904fd76c}"
    }
  }
}