Examine source code of Youtube-Player

{
  "manifest_version": 2,
  "name": "Youtube-Player",
  "version": "0.32resigned1",
  "description": "Youtube video controller",
  "background": {
    "scripts": [
      "Scripts/BrowserMonitor.js"
    ]
  },
  "options_ui": {
    "page": "Settings/Options.html"
  },
  "applications": {
    "gecko": {
      "id": "YCtrl@track02.addons.mozilla.org"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.youtube.com/*"
      ],
      "js": [
        "Scripts/PageListener.js"
      ]
    },
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "Scripts/KeyListener.js"
      ]
    }
  ],
  "permissions": [
    "storage",
    "tabs"
  ],
  "browser_action": {
    "default_icon": "icons/play_48.png",
    "default_title": "Youtube Controller",
    "default_popup": "Pages/YCtrl.html"
  }
}