Remove GpuHostMsg_FrameDrawn and replace with client channel swap ack

content/common/gpu/image_transport_surface.cc

Index: content/common/gpu/image_transport_surface.cc
diff --git a/content/common/gpu/image_transport_surface.cc b/content/common/gpu/image_transport_surface.cc
index 45c1c83b5d388c1a95b6882298ada7fdc120ef41..f8c8e0acaa47c7f1f0f9edf68d038846bfc868fc 100644
--- a/content/common/gpu/image_transport_surface.cc
+++ b/content/common/gpu/image_transport_surface.cc
@@ -115,7 +115,7 @@ void ImageTransportHelper::SendUpdateVSyncParameters(
 
 void ImageTransportHelper::SendLatencyInfo(

[piman, 2014/10/07 02:30:39]

nit: maybe we should rename this as SwapBuffersCompleted or something. It's not
clear without looking at PassThroughImageTransportSurface why this is the
swapbuffers ack.

[no sievers, 2014/10/07 19:47:24]

Done.

     const std::vector<ui::LatencyInfo>& latency_info) {
-  manager_->Send(new GpuHostMsg_FrameDrawn(latency_info));
+  stub_->SwapBuffersCompleted(latency_info);
 }
 
 void ImageTransportHelper::SetScheduled(bool is_scheduled) {