Bug 927413 - Gracefully handle 0 sized DrawWindow rects. r=roc, a=bajaj
Bug 933354 - Avoid calling GetDeltaToPerspectiveOrigin for elements that don't have perspective. r=heycam, a=bajaj
Bug 931464 - Part 1: GetFieldSetBlockFrame needs to drill down through a scrollframe if necessary. r=mats, a=bajaj
Bug 931464 - Part 2: nsFieldSetFrame::Insert/Append/RemoveFrames should not be called. r=mats, a=bajaj