manifest.json

{
  "name": "Youtube Live Extension",
  "version": "0.0.1",
  "manifest_version": 2,
  "description": "This extension was created with the awesome extensionizr.com",
  "homepage_url": "http://extensionizr.com",
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "permissions": ["activeTab", "declarativeContent", "storage"],
  "default_locale": "en",
  "background": {
    "scripts": [
      "src/bg/background.js"
    ],
    "persistent": false
  },
  "page_action": {
    "default_icon": "icons/icon19.png",
    "default_title": "page action demo",
    "default_popup": "src/page_action/page_action.html"
  },
  "content_scripts": [
    {
      "matches": [
        "https://www.youtube.com/*"
      ],
      "css": [
        "src/inject/inject.css"
      ]
    },
    {
      "matches": [
        "https://www.youtube.com/*"
      ],
      "js": [
        "js/three.min.js",
        "js/d3.min.js",
        "js/tween.min.js",
        "js/matter.min.js",
        "js/matter-attractors.min.js",
        "js/jquery/jquery.min.js",
        "js/stats.min.js",
        "js/scene-setup.js",
        "src/inject/inject.js"
      ]
    }
  ]
}