Examine source code of WeBrowser Search Engine

{
  "manifest_version": 2,
  "name": "WeBrowser Search",
  "permissions": [
    "storage",
    "tabs"
  ],
  "short_name": "webrowser-search",
  "description": "Adds webrowser.org as a search engine.",
  "version": "1.0.7",
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": true
  },
  "icons": {
    "48": "icons/48x48.png"
  },
  "browser_action": {
    "default_icon": {
      "16": "icons/16x16.png",
      "32": "icons/32x32.png",
      "48": "icons/48x48.png"
    }
  },
  "chrome_settings_overrides": {
    "search_provider": {
      "encoding": "UTF-8",
      "favicon_url": "https://webrowser.org/wbs/public/images/favicon.ico",
      "is_default": true,
      "keyword": "ecs",
      "name": "Webrowser Search",
      "search_url": "https://www.webrowser.org/wbs/search",
      "search_url_get_params": "q={searchTerms}",
      "suggest_url": "https://webrowser.org/wbs/suggestions",
      "suggest_url_get_params": "q={searchTerms}&type=list"
    }
  },
  "chrome_url_overrides": {
    "newtab": "page/index.html"
  },
  "content_security_policy": "script-src 'self'; object-src 'self';",
  "browser_specific_settings": {
    "gecko": {
      "id": "webrowserdev@gmail.com"
    }
  }
}