Examine source code of Turkish

{
  "manifest_version": 2,
  "name": "Turkish",
  "description": "Turkish",
  "version": "1.3",
  "chrome_url_overrides": {
    "newtab": "newtab.html"
  },
  "icons": {
    "16": "icon16.png",
    "48": "icon48.png",
    "128": "icon128.png"
  },
  "permissions": [
    "activeTab",
    "https://search.turkish.co.uk/*"
  ],
  "chrome_settings_overrides": {
    "homepage": "newtab.html",
    "search_provider": {
      "name": "Turkish",
      "keyword": "q",
      "favicon_url": "https://search.turkish.co.uk/uploads/brand/favicon.png",
      "search_url": "https://search.turkish.co.uk/web?q={searchTerms}",
      "encoding": "UTF-8",
      "is_default": true
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{229a8d5e-e68c-4c55-999e-0f2bc70a5331}"
    }
  }
}