Examine source code of Sport Search

{
  "name": "Sport Search",
  "version": "0.0.15",
  "manifest_version": 2,
  "chrome_settings_overrides": {
    "search_provider": {
      "encoding": "UTF-8",
      "is_default": true,
      "keyword": "Sport Search Powered by Yahoo",
      "name": "Sport Search Powered by Yahoo",
      "search_url": "https://search.yahoo.com/yhs/search?hspart=iba&hsimp=yhs-3&type=stff_9375_FFW_ZZ&grd=1&p={searchTerms}",
      "suggest_url": "https://ff.search.yahoo.com/gossip?output=fxjson&command={searchTerms}"
    }
  },
  "description": "Get easy access to sport scores from Yahoo. This add-on makes Yahoo your default search after you install it. We require your permission to access data on www.gettheresult.net.  Another cool feature to use is our address bar sport channels search. Type 's' + click on the space bar and then type the sports scores that you look for. Please read the Terms: https://eula.gettheresult.net, and Privacy Policy https://privacy.gettheresult.net.",
  "icons": {
    "16": "icons/icon16.png",
    "38": "icons/icon38.png",
    "128": "icons/icon128.png"
  },
  "browser_action": {
    "default_icon": "icons/icon38.png",
    "default_title": "Sport Search"
  },
  "content_security_policy": "script-src 'self'; object-src 'self'",
  "background": {
    "page": "src/bg/background.html",
    "persistent": true
  },
  "omnibox": {
    "keyword": "s"
  },
  "permissions": [
    "*://*.gettheresult.net/*",
    "tabs"
  ],
  "web_accessible_resources": [
    "/icons/*"
  ]
}