Bug 1026737 - Implement listener counting on DOMRequestHelper. r=fabrice, a=2.0+
Bug 1026727 - Part 1: The attributes of MozMobileNetworkInfo could be null, so the parameters of constructor should be nullable. r=hsinyi, r=smaug, a=2.0+
Bug 1026727 - Part 2: Fixing the "Unknown" state is displayed instead of "Connected" during manual network selection. r=hsinyi, a=2.0+
Bug 1015519 - Don't write uninitialized buffers to the AudioStream in AudioSegment::WriteTo. r=roc, a=2.0+
Bug 1026460 - Consider observable MIR nodes as live uses. r=shu, a=2.0+