[cc] Add and plumb CFS::DidNotProduceFrame.

cc/test/fake_compositor_frame_sink.cc

Index: cc/test/fake_compositor_frame_sink.cc
diff --git a/cc/test/fake_compositor_frame_sink.cc b/cc/test/fake_compositor_frame_sink.cc
index 81746a72b8cd482f8f459e11c9c764299712b445..ebc68428c957d72f5adae281bb0b625fda936a6b 100644
--- a/cc/test/fake_compositor_frame_sink.cc
+++ b/cc/test/fake_compositor_frame_sink.cc
@@ -64,6 +64,8 @@ void FakeCompositorFrameSink::SubmitCompositorFrame(CompositorFrame frame) {
                      weak_ptr_factory_.GetWeakPtr()));
 }
 
+void FakeCompositorFrameSink::DidNotProduceFrame(const BeginFrameAck& ack) {}
+
 void FakeCompositorFrameSink::DidReceiveCompositorFrameAck() {
   client_->DidReceiveCompositorFrameAck();
 }