Implement temporary reference assignment with DisplayCompositor.

components/display_compositor/gpu_root_compositor_frame_sink.cc

Index: components/display_compositor/gpu_root_compositor_frame_sink.cc
diff --git a/components/display_compositor/gpu_root_compositor_frame_sink.cc b/components/display_compositor/gpu_root_compositor_frame_sink.cc
index ea6d2dfdbcce8ee2346d27b5030a2b6340e5ab7d..73ddf26b03e1b00242f7d00880d0ce5027d40fcd 100644
--- a/components/display_compositor/gpu_root_compositor_frame_sink.cc
+++ b/components/display_compositor/gpu_root_compositor_frame_sink.cc
@@ -89,6 +89,11 @@ void GpuRootCompositorFrameSink::SubmitCompositorFrame(
   support_->SubmitCompositorFrame(local_surface_id, std::move(frame));
 }
 
+void GpuRootCompositorFrameSink::ClaimTemporaryReference(
+    const cc::SurfaceId& surface_id) {
+  support_->ClaimTemporaryReference(surface_id);
+}
+
 void GpuRootCompositorFrameSink::RequestCopyOfSurface(
     std::unique_ptr<cc::CopyOutputRequest> request) {
   support_->RequestCopyOfSurface(std::move(request));