Examine source code of YouTube UI Controller

{
  "name": "Youtube UI Controller",
  "version": "1.0",
  "description": "A simple UI controller for Youtube focused on displaying the video you want.",
  "permissions": [
    "*://www.youtube.com/*",
    "tabs",
    "storage"
  ],
  "browser_action": {
    "default_popup": "popup.html",
    "default_title": "Youtube UI Controller",
    "browser_style": true
  },
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": true
  },
  "content_scripts": [
    {
      "matches": [
        "*://www.youtube.com/*"
      ],
      "js": [
        "logic.js"
      ]
    }
  ],
  "manifest_version": 2,
  "author": "Rishabh Ranjan Jha",
  "browser_specific_settings": {
    "gecko": {
      "id": "youtube-ui-controller@rishabh-ranjan-jha"
    }
  },
  "icons": {
    "48": "img/icon48.jpg",
    "96": "img/icon96.jpg"
  }
}