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 76180bab6dd8ca86e57765abf5c2e5a4c0b6863e..9b2427d750bc08a29c61ff65bebd8a60c6fcbb34 100644
--- a/components/display_compositor/gpu_root_compositor_frame_sink.cc
+++ b/components/display_compositor/gpu_root_compositor_frame_sink.cc
@@ -99,6 +99,11 @@ void GpuRootCompositorFrameSink::Satisfy(const cc::SurfaceSequence& sequence) {
   support_->Satisfy(sequence);
 }
 
+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));