Examine source code of Stupid Search

{
  "manifest_version": 2,
  "name": "Stupid Search",
  "description": "Search the web with Stupid Search",
  "version": "1.1.3resigned1",
  "browser_action": {
    "default_icon": "icon.png",
    "default_popup": "popup.html"
  },
  "permissions": [
    "activeTab",
    "https://ajax.google.com/"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{d170bf9a-67ba-4858-9e81-0904f2c43119}"
    }
  }
}