Implement temporary reference assignment with DisplayCompositor.

components/display_compositor/gpu_compositor_frame_sink.cc

Index: components/display_compositor/gpu_compositor_frame_sink.cc
diff --git a/components/display_compositor/gpu_compositor_frame_sink.cc b/components/display_compositor/gpu_compositor_frame_sink.cc
index 58b833dfe56cf8cc01f8c306715ed15634c85caf..a73847899943440be9757c94e1eacb500074680f 100644
--- a/components/display_compositor/gpu_compositor_frame_sink.cc
+++ b/components/display_compositor/gpu_compositor_frame_sink.cc
@@ -4,8 +4,6 @@
 
 #include "components/display_compositor/gpu_compositor_frame_sink.h"
 
-#include "cc/surfaces/surface_reference.h"
-
 namespace display_compositor {
 
 GpuCompositorFrameSink::GpuCompositorFrameSink(
@@ -76,6 +74,11 @@ void GpuCompositorFrameSink::RemoveChildFrameSink(
   support_->RemoveChildFrameSink(child_frame_sink_id);
 }
 
+void GpuCompositorFrameSink::ClaimTemporaryReference(
+    const cc::SurfaceId& surface_id) {
+  support_->ClaimTemporaryReference(surface_id);
+}
+
 void GpuCompositorFrameSink::RequestCopyOfSurface(
     std::unique_ptr<cc::CopyOutputRequest> request) {
   support_->RequestCopyOfSurface(std::move(request));