It requires a bundled by default, Google Music app. If you disable or delete it, the media keys will stop working. Here is the download link for the app :<p><a href="https:&#x2F;&#x2F;chrome.google.com&#x2F;webstore&#x2F;detail&#x2F;google-play-music&#x2F;fahmaaghhglfmonjliepjlchgpgfmobi" rel="nofollow">https:&#x2F;&#x2F;chrome.google.com&#x2F;webstore&#x2F;detail&#x2F;google-play-music&#x2F;...</a>