Examine source code of Google.co.jp search

{
  "manifest_version": 2,
  "name": "Google.co.jp",
  "description": "Adds a search engine that searches Google.co.jp",
  "version": "1.2resigned1",
  "chrome_settings_overrides": {
    "search_provider": {
      "name": "Google.co.jp",
      "search_url": "https://www.google.co.jp/search?&q={searchTerms}",
      "keyword": "google.co.jp",
      "favicon_url": "https://www.google.co.jp/images/branding/product/ico/googleg_lodp.ico",
      "is_default": false,
      "encoding": "UTF-8"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{89074566-80b4-4dc1-aacf-93d752a7fb40}"
    }
  }
}