Bug 1037408 - add booleans to webrtcUI indicating which sharing indicators should be shown, r=dolske.
Bug 1037408 - webrtcUI's activeStreams getter should be able to return lists for a specific device type, r=dolske.
Bug 1037408 - implement the global indicator window, initial patch by Gijs, r=dolske.
Bug 1037430 - implement webrtc global indicator in the Mac menubar, r=dolske.