Examine source code of Youtube 2 KODI

{
  "applications": {
    "gecko": {
      "id": "{6a87491e-e1ed-4c2c-b1b6-4aa07a2f9282}"
    }
  },
  "manifest_version": 2,
  "name": "Youtube 2 KODI",
  "version": "1.1.7resigned1",
  "description": "Play Youtube video in KODI",
  "icons": {
    "48": "icons/youtube2kodi-48.png",
    "96": "icons/youtube2kodi-96.png"
  },
  "permissions": [
    "tabs",
    "notifications",
    "storage",
    "<all_urls>"
  ],
  "browser_action": {
    "default_icon": "icons/youtube2kodi-48.png",
    "default_title": "Youtube 2 KODI",
    "default_popup": "popup/remote_panel.html",
    "browser_style": false
  },
  "options_ui": {
    "page": "options.html"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "https://www.youtube.com/*"
      ],
      "js": [
        "content.js"
      ],
      "css": [
        "content.css"
      ]
    }
  ],
  "web_accessible_resources": [
    "icons/content_queue_icon.png",
    "icons/content_play_icon.png"
  ]
}