Bug 1055760 - Move the scroll handoff parent id from Layer to FrameMetrics. r=
Bug 1055760 - Rearrange AlignFixedAndStickyLayers; no functional changes. r=
Bug 1055760 - Modify Layers API to expose multiple FrameMetrics and APZCs per layer
Bug 1055760 - Add a LayerMetricsWrapper and fix up APZCTreeManager FrameMetrics accessing. r=
Bug 1055760 - Update tiling code to use LayerMetricsWrapper.
Bug 1055760 - Update AsyncCompositionManager's async-transform application code to deal with multiple FrameMetrics. r=
Bug 1055760 - Update AsyncCompositionManager's scrollbar-adjusting code to deal with multiple FrameMetrics. r=
Bug 1055760 - Update AsyncCompositionManager's fixed- and stick-layer-adjusting code to deal with multiple FrameMetrics. r=
Bug 1055760 - Update AsyncCompositionManager's animation-sampling code to deal with multiple FrameMetrics. r=
Bug 1055760 - Update some more bits of compositor layer code to deal with multiple FrameMetrics. r=
Bug 1055760 - Update frame uniformity code to use the shadow transform. r=
Bug 1055760 - Update SetAsyncScrollOffset test API to deal wth multiple FrameMetrics. r=
Bug 1055760 - Update TestAsyncPanZoomController to deal with multiple FrameMetrics. r=
RenderFrameParent, will be deleted hopefully