Bug 1064669 - Use a Viewless Fragment for managing MediaPlayer lifecycle. r=mfinkle
Bug 1100100 - "Downloaded file can't be opened from "Downloads" page" [r=wjohnston]
Merge m-c to fx-team a=merge
Bug 1115957 - Protect DevTools from empty browsers array. r=ochameau
Merge fx-team to m-c a=merge