Registering for events on all present and future windows.
Registering for events on all present and future windows.

carlin-q-scott/browser-media-keys,miicha/browser-media-keys,gmelikov/browser-media-keys,miicha/browser-media-keys,gmelikov/browser-media-keys,carlin-q-scott/browser-media-keys,davidjb/browser-media-keys,davidjb/browser-media-keys,gmelikov/browser-media-keys