Bug 877033 - [System] mozfullscreenchange event should be listened to handle fullscreen on/off by a video content within browser app.
Merge pull request #10054 from leob2g/Bug_877033_mozfullscreenchange_event_should_be_listened_to_handle_fullscreen

Bug 877033 - [System] mozfullscreenchange event should be listened to ha...r=alive