Revert of Move surface reference code to CompositorFrameSinkSupport.

components/display_compositor/gpu_compositor_frame_sink.h

Index: components/display_compositor/gpu_compositor_frame_sink.h
diff --git a/components/display_compositor/gpu_compositor_frame_sink.h b/components/display_compositor/gpu_compositor_frame_sink.h
index c4a08a97cb4b49b06f9223252c2e7f562c20851a..df2a51c963f82a22d53c62ac04c4f360baf6f0ec 100644
--- a/components/display_compositor/gpu_compositor_frame_sink.h
+++ b/components/display_compositor/gpu_compositor_frame_sink.h
@@ -14,6 +14,7 @@
 #include "cc/ipc/mojo_compositor_frame_sink.mojom.h"
 #include "cc/surfaces/compositor_frame_sink_support.h"
 #include "cc/surfaces/compositor_frame_sink_support_client.h"
+#include "cc/surfaces/referenced_surface_tracker.h"
 #include "components/display_compositor/display_compositor_export.h"
 #include "components/display_compositor/gpu_compositor_frame_sink_delegate.h"
 #include "mojo/public/cpp/bindings/binding.h"
@@ -69,6 +70,9 @@
   void ReclaimResources(const cc::ReturnedResourceArray& resources) override;
   void WillDrawSurface() override;
 
+  // Track the surface references for the surface corresponding to this
+  // compositor frame sink.
+  cc::ReferencedSurfaceTracker surface_tracker_;
 
   bool client_connection_lost_ = false;
   bool private_connection_lost_ = false;