Change default media player

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "Change default media player",
  "version": "1.0.5",
  "description": "This extension changes the default media player in Chrome. The new player provides more comfortable control panel for usage.",
  "icons": {
    "16": "img/icon16.png",
    "48": "img/icon48.png",
    "128": "img/icon128.png",
    "512": "img/icon.png"
  },
  "permissions": [
    "*://*/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "*://*/*"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_end",
      "all_frames": true
    }
  ],
  "content_security_policy": "script-src 'self' https://vjs.zencdn.net; object-src 'self'",
  "manifest_version": 2
}