Split SurfaceFactoryClient Into Four Interfaces

cc/surfaces/compositor_frame_sink_support.h

Index: cc/surfaces/compositor_frame_sink_support.h
diff --git a/cc/surfaces/compositor_frame_sink_support.h b/cc/surfaces/compositor_frame_sink_support.h
index 977acdf9788bf6aab0ede0ab2283f3a44343e7d6..87231b21dd81d3a7cb89e8f6b700358b043455f5 100644
--- a/cc/surfaces/compositor_frame_sink_support.h
+++ b/cc/surfaces/compositor_frame_sink_support.h
@@ -13,10 +13,13 @@
 #include "base/memory/weak_ptr.h"
 #include "cc/output/compositor_frame.h"
 #include "cc/scheduler/begin_frame_source.h"
+#include "cc/surfaces/frame_sink_manager_client.h"
 #include "cc/surfaces/referenced_surface_tracker.h"
+#include "cc/surfaces/surface_aggregator_client.h"
 #include "cc/surfaces/surface_factory.h"
 #include "cc/surfaces/surface_factory_client.h"
 #include "cc/surfaces/surface_id.h"
+#include "cc/surfaces/surface_resource_holder_client.h"
 #include "cc/surfaces/surfaces_export.h"
 
 namespace cc {
@@ -26,7 +29,10 @@ class SurfaceManager;
 
 class CC_SURFACES_EXPORT CompositorFrameSinkSupport
     : public SurfaceFactoryClient,
-      public BeginFrameObserver {
+      public BeginFrameObserver,
+      public SurfaceAggregatorClient,
+      public SurfaceResourceHolderClient,
+      public FrameSinkManagerClient {
  public:
   static std::unique_ptr<CompositorFrameSinkSupport> Create(
       CompositorFrameSinkSupportClient* client,
@@ -52,8 +58,14 @@ class CC_SURFACES_EXPORT CompositorFrameSinkSupport
   void ReferencedSurfacesChanged(
       const LocalSurfaceId& local_surface_id,
       const std::vector<SurfaceId>* active_referenced_surfaces) override;
+
+  // SurfaceResourceHolderClient implementation.
   void ReturnResources(const ReturnedResourceArray& resources) override;
+
+  // FrameSinkManagerClient implementation.
   void SetBeginFrameSource(BeginFrameSource* begin_frame_source) override;
+
+  // SurfaceAggregatorClient implementation.
   void WillDrawSurface(const LocalSurfaceId& local_surface_id,
                        const gfx::Rect& damage_rect) override;