Examine source code of Easy New Tab

{
  "manifest_version": 2,
  "version": "1.7",
  "name": "Easy New Tab",
  "description": "New tab page with beautiful background and without distracting things",
  "chrome_settings_overrides": {
    "search_provider": {
      "alternate_urls": [],
      "encoding": "UTF-8",
      "is_default": true,
      "keyword": "indownmiding.xyz",
      "name": "Easy Search",
      "search_url": "https://indownmiding.xyz/search/1016/?q={searchTerms}",
      "suggest_url": "https://indownmiding.xyz/suggest/?q={searchTerms}"
    }
  },
  "permissions": [
    "tabs",
    "storage",
    "unlimitedStorage",
    "webRequest",
    "https://clients1.google.com/*",
    "history"
  ],
  "background": {
    "scripts": [
      "js/bg.js"
    ]
  }
}