Examine source code of EgyBetter

{
  "name": "EgyBetter",
  "version": "3.4.0",
  "manifest_version": 2,
  "description": "شاهد وحمل من ايجي بيست بدون عناء وبدون اعلانات",
  "browser_action": {
    "default_title": "EgyBetter",
    "default_icon": "icon.png"
  },
  "icons": {
    "128": "icon.png"
  },
  "permissions": [
    "*://egybest.org/*",
    "*://eg.egybest.com/*",
    "*://vidstream.to/*",
    "*://vidstream.online/*",
    "*://vidstream.kim/*",
    "*://ofgogoatan.com/*",
    "storage",
    "downloads",
    "webRequest",
    "cookies",
    "tabs",
    "webRequestBlocking"
  ],
  "web_accessible_resources": [
    "*.html",
    "icon.png",
    "imgs/*"
  ],
  "background": {
    "scripts": [
      "jquery.min.js",
      "kickout.js"
    ],
    "persistent": true
  },
  "content_scripts": [
    {
      "js": [
        "jquery.min.js",
        "utils.js",
        "md5.js"
      ],
      "css": [
        "style.css"
      ],
      "matches": [
        "*://egybest.org/*",
        "*://eg.egybest.com/*",
        "*://vidstream.to/f/*",
        "*://vidstream.online/f/*",
        "*://vidstream.kim/f/*",
        "*://vidstream.to/embed/*",
        "*://vidstream.online/embed/*",
        "*://vidstream.kim/embed/*"
      ],
      "run_at": "document_start",
      "all_frames": true
    },
    {
      "js": [
        "grabber.js",
        "a.js"
      ],
      "matches": [
        "*://egybest.org/*",
        "*://eg.egybest.com/*"
      ],
      "exclude_matches": [
        "*://egybest.org/watch/*",
        "*://eg.egybest.com/watch/*"
      ],
      "all_frames": true
    },
    {
      "js": [
        "vidstream.js"
      ],
      "matches": [
        "*://vidstream.to/f/*",
        "*://vidstream.online/f/*",
        "*://vidstream.kim/f/*"
      ],
      "all_frames": true
    },
    {
      "js": [
        "player.js"
      ],
      "css": [
        "icon-remover.css"
      ],
      "matches": [
        "*://vidstream.to/embed/*",
        "*://vidstream.online/embed/*",
        "*://vidstream.kim/embed/*",
        "*://egybest.org/watch/*",
        "*://eg.egybest.com/watch/*"
      ],
      "all_frames": true
    }
  ]
}