Bug 849996. Check the correct frame for transforms in PushAbsoluteContainingBlock --- it might not be the containing block itself. r=bzbarsky
Bug 841363. Ensure padding-rect edges are included in scrollable area used to compute scrollWidth/scrollHeight for overflow:visible elements. r=matspal
Bug 860579. Make FindContentInDocument use the frame tree as much as possible. r=mattwoodrow
Bug 860253. Clear clip state on children of an nsDisplayTransform because they're in a different coordinate system, and we'll clip the nsDisplayTransform itself. r=mattwoodrow