Implement aura::Window::CreateCompositorFrameSink()

services/ui/ws/display_client_compositor_frame_sink.cc

Index: services/ui/ws/display_client_compositor_frame_sink.cc
diff --git a/services/ui/ws/display_client_compositor_frame_sink.cc b/services/ui/ws/display_client_compositor_frame_sink.cc
index a7972df07a4d47e9945caa21eeee7fcfd4ad8499..a6284d54677c257dd8a5eb94a130178b883fffd6 100644
--- a/services/ui/ws/display_client_compositor_frame_sink.cc
+++ b/services/ui/ws/display_client_compositor_frame_sink.cc
@@ -65,6 +65,13 @@ void DisplayClientCompositorFrameSink::SubmitCompositorFrame(
   last_submitted_frame_size_ = frame_size;
 }
 
+void DisplayClientCompositorFrameSink::EvictFrame() {
+  DCHECK(thread_checker_->CalledOnValidThread());
+  if (!compositor_frame_sink_)
+    return;
+  compositor_frame_sink_->EvictFrame();
+}
+
 void DisplayClientCompositorFrameSink::DidReceiveCompositorFrameAck(
     const cc::ReturnedResourceArray& resources) {
   DCHECK(thread_checker_->CalledOnValidThread());