Examine source code of New Tab Google

{
  "description": "Open Google.com homepage in a new tab",
  "manifest_version": 2,
  "name": "Google Tab",
  "version": "1.2resigned1",
  "author": "Maweryck",
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "browser_style": true,
    "default_icon": {
      "16": "icons/icon-16.png",
      "32": "icons/icon-32.png",
      "64": "icons/icon-64.png"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{b9459ead-400e-428e-9098-5ae40dc94e98}"
    }
  }
}