Examine source code of Better BTTV

{
  "permissions": [
    "*://raw.githubusercontent.com/*",
    "*://github.com/xxSkyy/*",
    "*://skyalty.com/*"
  ],
  "manifest_version": 2,
  "version": "0.7.4.11",
  "name": "Better BTTV",
  "description": "Make BTTV even Better! - Extension giving back freedom of usage of BTTV!",
  "browser_action": {
    "default_icon": "img/icon.png",
    "default_title": "Better BTTV",
    "default_popup": "html/popup.html"
  },
  "icons": {
    "16": "img/16x16.png",
    "48": "img/48x48.png",
    "128": "img/128x128.png"
  },
  "content_scripts": [
    {
      "js": [
        "js/jquery.min.js",
        "js/jquery.cookie.js",
        "js/purify.js",
        "js/helpers/variables.js",
        "js/helpers/functions.js",
        "js/content.js"
      ],
      "matches": [
        "*://www.twitch.tv/*",
        "*://twitch.tv/*"
      ],
      "run_at": "document_start",
      "all_frames": true
    }
  ]
}