Make RenderWidgetHostViewAura::CopyFromCompositingSurface readback layer

content/browser/gpu/gpu_process_host_ui_shim.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/browser/gpu/gpu_process_host_ui_shim.h"
 
 #include <algorithm>
 
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 318 matching lines @@
     return;
 
   delayed_send.Cancel();
 
   static const base::TimeDelta swap_delay = GetSwapDelay();
   if (swap_delay.ToInternalValue())
     base::PlatformThread::Sleep(swap_delay);
 
   // View must send ACK message after next composite.
   view->AcceleratedSurfaceBuffersSwapped(params, host_id_);
+  view->DidReceiveRendererFrame();
 }
 
 void GpuProcessHostUIShim::OnFrameDrawn(const ui::LatencyInfo& latency_info) {
   RenderWidgetHostImpl::CompositorFrameDrawn(latency_info);
 }
 
 void GpuProcessHostUIShim::OnAcceleratedSurfacePostSubBuffer(
     const GpuHostMsg_AcceleratedSurfacePostSubBuffer_Params& params) {
   TRACE_EVENT0("renderer",
       "GpuProcessHostUIShim::OnAcceleratedSurfacePostSubBuffer");
@@ skipping 12 matching lines @@
 
   RenderWidgetHostViewPort* view =
       GetRenderWidgetHostViewFromSurfaceID(params.surface_id);
   if (!view)
     return;
 
   delayed_send.Cancel();
 
   // View must send ACK message after next composite.
   view->AcceleratedSurfacePostSubBuffer(params, host_id_);
+  view->DidReceiveRendererFrame();
 }
 
 void GpuProcessHostUIShim::OnAcceleratedSurfaceSuspend(int32 surface_id) {
   TRACE_EVENT0("renderer",
       "GpuProcessHostUIShim::OnAcceleratedSurfaceSuspend");
 
   RenderWidgetHostViewPort* view =
       GetRenderWidgetHostViewFromSurfaceID(surface_id);
   if (!view)
     return;
@@ skipping 10 matching lines @@
   view->AcceleratedSurfaceRelease();
 }
 
 void GpuProcessHostUIShim::OnVideoMemoryUsageStatsReceived(
     const GPUVideoMemoryUsageStats& video_memory_usage_stats) {
   GpuDataManagerImpl::GetInstance()->UpdateVideoMemoryUsageStats(
       video_memory_usage_stats);
 }
 
 }  // namespace content