> About a quarter of that list is stuff I don't want a browser futzing with... volume control, autofocus, background sync (assuming this has huge battery implic

> About a quarter of that list is stuff I don't want a browser futzing with... volume control, autofocus, background sync (assuming this has huge battery implications), WebUSB, WebNotifications, and a few others. Yeah, looks like a nice checklist of things to turn off to me…