Examine source code of GoogleUntrackify

{
  "description": "Removes tracking from search results on https://encrypted.google.com",
  "manifest_version": 2,
  "name": "GoogleUntrackify",
  "version": "1.1resigned1",
  "icons": {
    "48": "icons/googleuntrackify-48.png"
  },
  "content_scripts": [
    {
      "matches": [
        "https://encrypted.google.com/*"
      ],
      "js": [
        "googleuntrackify.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{a2b441f3-aaa1-44a9-8b7d-043abd24ffbf}"
    }
  }
}