Examine source code of Twitter検索プラグイン

{
  "manifest_version": 2,
  "name": "Twitter検索プラグイン",
  "description": "Twitterを日本語検索します。",
  "version": "1.0.2",
  "applications": {
    "gecko": {
      "id": "twitter-search-ja@pokemori.jp"
    }
  },
  "chrome_settings_overrides": {
    "search_provider": {
      "name": "Twitter(ja)",
      "search_url": "https://twitter.com/search?q={searchTerms}%20lang:ja",
      "is_default": false,
      "favicon_url": "https://twitter.com/favicon.ico"
    }
  },
  "icons": {
    "48": "Twitter_Logo_Blue.svg",
    "96": "Twitter_Logo_Blue.svg",
    "400": "Twitter_Logo_Blue.svg"
  },
  "author": "100の人",
  "homepage_url": "https://addons.mozilla.org/user/6839744/"
}