Bug 922283 - Remove the self hosted class mechanism, r=shu.
Bug 920915 - Use correct manifest dependencies; r=gps
Bug 893309 - Implement TrackEvent. r=cpearce
Bug 918940 - Part a: Make HTMLInputElement::SetSelectionRange fire select event asynchronously per spec. r=ehsan
Bug 918940 - Part b: Implement setRangeText for HTMLTextAreaElement. r=ehsan
Bug 923060 - XPIDL_SOURCES impacts the libs tier; r=gps