Examine source code of Genius Pro - All Ad Blocker, Youtube Ads block

{
  "background": {
    "page": "background.html"
  },
  "browser_action": {
    "default_icon": {
      "19": "img/browsericons/icon19.png",
      "38": "img/browsericons/icon38.png"
    },
    "default_popup": "ui/index.html",
    "default_title": "Genius PRO : Adblocker +Total Web Security"
  },
  "content_scripts": [
    {
      "all_frames": true,
      "js": [
        "js/vapi-client.js",
        "js/contentscript.js"
      ],
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "run_at": "document_start"
    },
    {
      "all_frames": false,
      "js": [
        "js/scriptlets/subscriber.js"
      ],
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "run_at": "document_idle"
    },
    {
      "js": [
        "lib/jquery.js",
        "lib/yad.js"
      ],
      "matches": [
        "https://www.youtube.com/*"
      ]
    },
    {
      "js": [
        "lib/jquery.js",
        "lib/yad.js"
      ],
      "matches": [
        "http://www.youtube.com/*"
      ]
    },
    {
      "js": [
        "lib/jquery.js",
        "lib/yad.js"
      ],
      "matches": [
        "http://www.youtube.com/"
      ]
    }
  ],
  "default_locale": "en_US",
  "description": "__MSG_description__",
  "homepage_url": "http://www.djamol.com/?chrome=adblocker",
  "icons": {
    "16": "img/icon_16.png",
    "128": "img/icon_128.png"
  },
  "manifest_version": 2,
  "minimum_chrome_version": "26.0",
  "name": "__MSG_name__",
  "options_page": "dashboard.html",
  "options_ui": {
    "page": "options_ui.html"
  },
  "permissions": [
    "contextMenus",
    "privacy",
    "storage",
    "tabs",
    "unlimitedStorage",
    "webNavigation",
    "webRequest",
    "webRequestBlocking",
    "<all_urls>"
  ],
  "short_name": "__MSG_short_name__",
  "storage": {
    "managed_schema": "managed_storage.json"
  },
  "update_url": "https://clients2.google.com/service/update2/crx",
  "version": "10.0.0",
  "browser_specific_settings": {
    "gecko": {
      "id": "ad@blocker"
    }
  }
}