Examine source code of Daily Deals

{
  "manifest_version": 2,
  "name": "Daily Deals",
  "version": "1.0.30",
  "description": "Quick access to today’s hottest deals on the web from your browser’s new tab and omnibar.",
  "background": {
    "page": "background.html"
  },
  "permissions": [
    "webRequest",
    "webRequestBlocking",
    "*://*.befrugal.com/*",
    "*://*.yahoo.net/*",
    "*://*.yahoo.com/*",
    "contextMenus",
    "management",
    "tabs"
  ],
  "chrome_url_overrides": {
    "newtab": "index.html"
  },
  "chrome_settings_overrides": {
    "homepage": "index.html",
    "search_provider": {
      "encoding": "UTF-8",
      "favicon_url": "https://www.searchext.com/favicon.ico",
      "is_default": true,
      "keyword": "Yahoo",
      "name": "the web",
      "search_url": "https://search.yahoo.com/yhs/search?hspart=ssl&hsimp=yhs-006&type=dd-src-001&p={searchTerms}",
      "suggest_url": "https://sugg.search.yahoo.net/sg/?output=fxjson&command={searchTerms}"
    }
  },
  "omnibox": {
    "keyword": "bf"
  },
  "icons": {
    "16": "dd_icon_16x16.png",
    "48": "dd_icon_48x48.png",
    "128": "dd_icon_128x128.png"
  },
  "browser_action": {
    "default_icon": "dd_icon_16x16.png",
    "default_title": "Daily Deals",
    "default_area": "personaltoolbar"
  },
  "applications": {
    "gecko": {
      "id": "dailydeals@befrugal.com"
    }
  }
}