YT Playback Speed Control Plugin

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "YT Playback Speed Control Plugin",
  "description": "This extension will control the playback speed of Youtube",
  "version": "2.0",
  "content_scripts": [
    {
      "matches": [
        "https://*.youtube.com/*",
        "*://youtube.com/*"
      ],
      "run_at": "document_end",
      "js": [
        "contentScript.js",
        "notifications.js"
      ],
      "css": [
        "notifications.css"
      ]
    }
  ],
  "browser_action": {
    "default_icon": {
      "16": "icons/switch16.png",
      "32": "icons/switch32.png",
      "48": "icons/switch48.png",
      "128": "icons/switch128.png"
    },
    "default_popup": "popup.html"
  },
  "icons": {
    "16": "icons/switch16.png",
    "32": "icons/switch32.png",
    "48": "icons/switch48.png",
    "128": "icons/switch128.png"
  },
  "permissions": [
    "https://*.youtube.com/*",
    "*://youtube.com/*"
  ]
}