Implement temporary reference assignment with DisplayCompositor.

cc/surfaces/compositor_frame_sink_support.cc

Index: cc/surfaces/compositor_frame_sink_support.cc
diff --git a/cc/surfaces/compositor_frame_sink_support.cc b/cc/surfaces/compositor_frame_sink_support.cc
index 7930d9e7b2eae1db80a48b95b458e4604778fbd7..2777d76288432f2233fa01f08c65e52cffb00a6b 100644
--- a/cc/surfaces/compositor_frame_sink_support.cc
+++ b/cc/surfaces/compositor_frame_sink_support.cc
@@ -6,7 +6,6 @@
 
 #include <algorithm>
 #include <utility>
-#include <vector>
 
 #include "cc/output/compositor_frame.h"
 #include "cc/scheduler/begin_frame_source.h"
@@ -141,6 +140,11 @@ void CompositorFrameSinkSupport::ForceReclaimResources() {
   surface_factory_.ClearSurface();
 }
 
+void CompositorFrameSinkSupport::ClaimTemporaryReference(
+    const SurfaceId& surface_id) {
+  surface_manager_->AssignTemporaryReference(surface_id, frame_sink_id_);
+}
+
 void CompositorFrameSinkSupport::ReferencedSurfacesChanged(
     const LocalSurfaceId& local_surface_id,
     const std::vector<SurfaceId>* active_referenced_surfaces,