Examine source code of Google search from cmd

{
  "manifest_version": 2,
  "name": "Google search from cmd",
  "version": "1.1resigned1",
  "description": "you can Google search from any where with ctrl+s and you can search from promt",
  "icons": {
    "48": "icons/icon.png"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "google-search-cmd.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{60b64eaa-75a4-4a91-91cd-ba0d35d76c93}"
    }
  }
}