Examine source code of Jukebox-YT

{
  "manifest_version": 2,
  "name": "Jukebox-YT",
  "version": "1.0.3a",
  "description": "A Media Player for YouTube videos.",
  "permissions": [
    "tabs",
    "menus",
    "*://*.youtube.com/*",
    "webRequest"
  ],
  "icons": {
    "32": "img/icon32.png",
    "48": "img/icon48.png"
  },
  "background": {
    "scripts": [
      "js/background.js",
      "js/getData.js"
    ]
  },
  "browser_action": {
    "default_icon": "img/icon32.png",
    "default_title": "Jukebox.YT",
    "default_popup": "jukeboxPopup.html"
  }
}