Bug 725981 - Only invalidate the difference in bounds when a solid color moves or resizes. r=roc
Bug 848078 - Remove shadowed variable in ContainerLayerD3D9. r=Bas
Bug 839987 - Re-set the clip after we change the render target in ContainerLayerD3D9. r=Bas
Bug 844750 - Don't use per-display-item invalidation for table frames. r=roc