Duration Playlist for Youtube

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "default_locale": "en",
  "name": "__MSG_AppName__",
  "description": "__MSG_AppDescription__",
  "manifest_version": 2,
  "version": "1.0.0",
  "icons": {
    "16": "images/video-16.png",
    "32": "images/video-32.png",
    "48": "images/video-48.png",
    "64": "images/video-64.png",
    "128": "images/video-128.png",
    "256": "images/video-256.png"
  },
  "background": {
    "scripts": [
      "js/update-conf.js",
      "js/update.js"
    ]
  },
  "permissions": [
    "activeTab"
  ],
  "container": [
    "GOOGLE_DRIVE"
  ],
  "offline_enabled": true,
  "browser_action": {
    "default_title": "Youtube Duration",
    "default_popup": "popup.html"
  }
}