[cc] Add and plumb CFS::DidNotProduceFrame.

content/renderer/gpu/renderer_compositor_frame_sink.cc

Index: content/renderer/gpu/renderer_compositor_frame_sink.cc
diff --git a/content/renderer/gpu/renderer_compositor_frame_sink.cc b/content/renderer/gpu/renderer_compositor_frame_sink.cc
index f06784c42a312865cc027ea7ac8d7d73b27e29d7..b968be07ac3671059dd6496301854b2ab7d0c208 100644
--- a/content/renderer/gpu/renderer_compositor_frame_sink.cc
+++ b/content/renderer/gpu/renderer_compositor_frame_sink.cc
@@ -123,6 +123,7 @@ void RendererCompositorFrameSink::DetachFromClient() {
 void RendererCompositorFrameSink::SubmitCompositorFrame(
     cc::CompositorFrame frame) {
   // We should only submit CompositorFrames with valid BeginFrameAcks.
+  DCHECK(frame.metadata.begin_frame_ack.has_damage);
   DCHECK_LE(cc::BeginFrameArgs::kStartingFrameNumber,
             frame.metadata.begin_frame_ack.sequence_number);
   if (ShouldAllocateNewLocalSurfaceId(frame))
@@ -150,6 +151,13 @@ void RendererCompositorFrameSink::SubmitCompositorFrame(
   }
 }
 
+void RendererCompositorFrameSink::BeginFrameDidNotProduceFrame(
+    const cc::BeginFrameAck& ack) {
+  DCHECK(!ack.has_damage);
+  DCHECK_LE(cc::BeginFrameArgs::kStartingFrameNumber, ack.sequence_number);
+  sink_->BeginFrameDidNotProduceFrame(ack);
+}
+
 void RendererCompositorFrameSink::OnMessageReceived(
     const IPC::Message& message) {
   DCHECK(thread_checker_.CalledOnValidThread());
@@ -231,14 +239,6 @@ void RendererCompositorFrameSink::OnNeedsBeginFrames(bool needs_begin_frames) {
   sink_->SetNeedsBeginFrame(needs_begin_frames);
 }
 
-void RendererCompositorFrameSink::OnDidFinishFrame(
-    const cc::BeginFrameAck& ack) {
-  DCHECK_LE(cc::BeginFrameArgs::kStartingFrameNumber, ack.sequence_number);
-  // If there was damage, ViewHostMsg_SwapCompositorFrame includes the ack.
-  if (!ack.has_damage)
-    sink_->BeginFrameDidNotSwap(ack);
-}
-
 void RendererCompositorFrameSink::EstablishMojoConnection() {
   cc::mojom::MojoCompositorFrameSinkPtr sink;
   cc::mojom::MojoCompositorFrameSinkRequest sink_request =