Switching to base::Optional<CompositorFrame> in Android's synchronous compositor IPC messages

content/renderer/android/synchronous_compositor_proxy.h

Index: content/renderer/android/synchronous_compositor_proxy.h
diff --git a/content/renderer/android/synchronous_compositor_proxy.h b/content/renderer/android/synchronous_compositor_proxy.h
index 7c18a5380958f01ab66d467ce904ea51e42c34b3..f9c0f72c887a3473f751b8354c0f7b37ee70326d 100644
--- a/content/renderer/android/synchronous_compositor_proxy.h
+++ b/content/renderer/android/synchronous_compositor_proxy.h
@@ -95,9 +95,11 @@ class SynchronousCompositorProxy : public ui::SynchronousInputHandler,
                                cc::CompositorFrame frame);
   void SendDemandDrawHwReply(cc::CompositorFrame frame,
                              uint32_t compositor_frame_sink_id,
+                             bool has_swapped,
                              IPC::Message* reply_message);
   void SendDemandDrawHwReplyAsync(cc::CompositorFrame frame,
-                                  uint32_t compositor_frame_sink_id);
+                                  uint32_t compositor_frame_sink_id,
+                                  bool has_swapped);
   void DoDemandDrawSw(const SyncCompositorDemandDrawSwParams& params);
   void SubmitCompositorFrameSw(cc::CompositorFrame frame);
   void SendDemandDrawSwReply(bool success,