Examine source code of UCapture Search

{
  "name": "UCapture Search",
  "author": "UCapture",
  "version": "1.5.2",
  "manifest_version": 2,
  "description": "Offset 1 pound of carbon with every search by setting your search engine to UCapture and customizing your new tab page.",
  "icons": {
    "16": "icons/uc16.png",
    "128": "icons/uc128.png"
  },
  "background": {
    "scripts": [
      "scripts/background.js"
    ]
  },
  "content_security_policy": "object-src 'self'",
  "permissions": [
    "cookies"
  ],
  "web_accessible_resources": [
    "*.*"
  ],
  "chrome_url_overrides": {
    "newtab": "search.html"
  },
  "chrome_settings_overrides": {
    "search_provider": {
      "name": "UCapture Search",
      "keyword": "Search",
      "search_url": "https://search.ucapture.com/search?q={searchTerms}",
      "favicon_url": "https://search.ucapture.com/favicon.ico",
      "encoding": "UTF-8",
      "is_default": true
    }
  },
  "browser_action": {
    "default_icon": {
      "16": "icons/uc16.png",
      "64": "icons/uc64.png"
    },
    "default_title": "UCapture Search",
    "default_popup": "popup.html"
  },
  "options_page": "options.html"
}