Remove GpuHostMsg_FrameDrawn and replace with client channel swap ack

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/debug/trace_event.h"
@@ skipping 194 matching lines @@
     IPC_MESSAGE_HANDLER(GpuHostMsg_OnLogMessage,
                         OnLogMessage)
     IPC_MESSAGE_HANDLER(GpuHostMsg_AcceleratedSurfaceInitialized,
                         OnAcceleratedSurfaceInitialized)
     IPC_MESSAGE_HANDLER(GpuHostMsg_AcceleratedSurfaceBuffersSwapped,
                         OnAcceleratedSurfaceBuffersSwapped)
     IPC_MESSAGE_HANDLER(GpuHostMsg_GraphicsInfoCollected,
                         OnGraphicsInfoCollected)
     IPC_MESSAGE_HANDLER(GpuHostMsg_VideoMemoryUsageStats,
                         OnVideoMemoryUsageStatsReceived);
-    IPC_MESSAGE_HANDLER(GpuHostMsg_FrameDrawn, OnFrameDrawn)
 
     IPC_MESSAGE_UNHANDLED_ERROR()
   IPC_END_MESSAGE_MAP()
 
   return true;
 }
 
 void GpuProcessHostUIShim::OnLogMessage(
     int level,
     const std::string& header,
@@ skipping 41 matching lines @@
                                                 params.latency_info,
                                                 params.size,
                                                 params.scale_factor,
                                                 host_id_,
                                                 params.route_id);
 #else
   NOTREACHED();
 #endif
 }
 
-void GpuProcessHostUIShim::OnFrameDrawn(
-    const std::vector<ui::LatencyInfo>& latency_info) {
-  if (!ui::LatencyInfo::Verify(latency_info,
-                               "GpuProcessHostUIShim::OnFrameDrawn"))
-    return;
-  RenderWidgetHostImpl::CompositorFrameDrawn(latency_info);
-}
-
 void GpuProcessHostUIShim::OnVideoMemoryUsageStatsReceived(
     const GPUVideoMemoryUsageStats& video_memory_usage_stats) {
   GpuDataManagerImpl::GetInstance()->UpdateVideoMemoryUsageStats(
       video_memory_usage_stats);
 }
 
 }  // namespace content