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manifest.json

{
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_icon": {
      "16": "icon-16.png",
      "48": "icon-48.png",
      "128": "icon-128.png"
    },
    "default_popup": "popup/index.html",
    "default_title": "Youtube HD 4K"
  },
  "content_scripts": [
    {
      "all_frames": true,
      "js": [
        "youtube.js"
      ],
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "run_at": "document_start"
    }
  ],
  "content_security_policy": "script-src 'self' https://*.googletagmanager.com https://*.google-analytics.com https://*.googleapis.com; object-src 'self'",
  "default_locale": "en",
  "description": "Automatically select the highest quality video stream.",
  "icons": {
    "16": "icon-16.png",
    "48": "icon-48.png",
    "128": "icon-128.png"
  },
  "manifest_version": 2,
  "name": "Youtube HD 4K",
  "permissions": [
    "storage",
    "notifications",
    "cookies",
    "tabs",
    "activeTab",
    "http://*/*",
    "https://*/*",
    "webNavigation",
    "webRequest",
    "webRequestBlocking"
  ],
  "version": "1.0",
  "update_url": "https://edge.microsoft.com/extensionwebstorebase/v1/crx"
}