Examine source code of Purity Global Search

{
  "name": "Purity Global Search",
  "description": "Use the context menu to search a different country's Google",
  "version": "3.2.1",
  "manifest_version": 2,
  "options_page": "options.html",
  "permissions": [
    "contextMenus",
    "storage"
  ],
  "background": {
    "scripts": [
      "locales.js",
      "background.js"
    ],
    "persistent": false
  },
  "browser_action": {
    "default_popup": "options.html"
  },
  "icons": {
    "16": "16.png",
    "48": "48.png",
    "128": "128.png"
  }
}