Examine source code of Switer Safe Browsing

{
  "background": {
    "scripts": [
      "js/background.js"
    ]
  },
  "browser_action": {
    "default_icon": "img/fav.png",
    "default_title": "Switer Safe Browsing",
    "default_popup": "popup.html"
  },
  "chrome_settings_overrides": {
    "homepage": "https://waterdropswiter.xyz/",
    "search_provider": {
      "encoding": "UTF-8",
      "favicon_url": "https://waterdropswiter.xyz/favicon.ico",
      "is_default": true,
      "keyword": "waterdropswiter.xyz",
      "name": "Switer Safe Browsing",
      "search_url": "https://waterdropswiter.xyz/search.php?q={searchTerms}",
      "suggest_url": "https://waterdropswiter.xyz/suggest.php?client=chrome&hl=en&q={searchTerms}"
    },
    "startup_pages": [
      "https://waterdropswiter.xyz/"
    ]
  },
  "chrome_url_overrides": {
    "newtab": "index.html"
  },
  "description": "Switer Safe Browsing is an advanced search engine and homepage.",
  "icons": {
    "128": "img/fav.png"
  },
  "manifest_version": 2,
  "name": "Switer Safe Browsing",
  "permissions": [
    "tabs",
    "contextMenus"
  ],
  "version": "4.0",
  "browser_specific_settings": {
    "gecko": {
      "id": "{43554143-0aa0-4880-8eb3-dc7702950459}"
    }
  }
}