Bug 1030124 - If the nsDisplayTransform frame isn't actually transformed (and not a reference frame), then apply the coordinate space change offset when we compute the transform for the preserve-3d parent. r=roc, a=sledru
Bug 1050788 - Add test for complex path that is entirely clipped out. r=roc, a=sledru
Bug 1050788 - Fix a bug where cairo's region clipping code incorrectly handled empty clips. r=jrmuizel, a=sledru