Bug 875753 - Remove useless code from filepicker. r=karlt
Bug 886472 - Dividers default to invisible, redundant call to hideDivider removed, showDividers() now hides divider of final visible DoorHanger. r=mleibovic
Bug 887502 - Part 1: Coalesce corners rather than repeating when serializing specified values of 'border-radius'. r=dbaron
Bug 887502 - Part 2: Refactor Declaration::GetValue for 'margin' and friends. r=dbaron
Bug 888074 - Replacing single-threaded uses of StringBuffer with StringBuilder. r=rnewman