Google is testing a brand new feature that allows you Play / Pause or bypass films and songs which can be playing at the Chrome browser thru a device built into the Toolbar. this feature is only available on Chrome Canary, the developer version is updated every day, many mistakes however if you like the revel in, you can download it here.
INSTRUCTIONS ON GLOBAL MEDIA CONTROLS
First you need to download Chrome Canary browser, then go to the link chrome: // flags / # global-media-controls. Click Enabled as shown, then click Relaunch Now to restart the browser. Access any website, turn on the video, you will see the icon play to manage audio on Chrome