Plumb cc::LatencyInfo through command buffer and output surface

content/common/gpu/client/command_buffer_proxy_impl.h

 // 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.
 
 #ifndef CONTENT_COMMON_GPU_CLIENT_COMMAND_BUFFER_PROXY_IMPL_H_
 #define CONTENT_COMMON_GPU_CLIENT_COMMAND_BUFFER_PROXY_IMPL_H_
 
 #include <map>
 #include <queue>
 #include <string>
 
 #include "gpu/ipc/command_buffer_proxy.h"
 
 #include "base/callback.h"
 #include "base/compiler_specific.h"
 #include "base/hash_tables.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/weak_ptr.h"
+#include "cc/debug/latency_info.h"
 #include "content/common/gpu/gpu_memory_allocation.h"
 #include "content/common/gpu/client/gpu_video_decode_accelerator_host.h"
 #include "content/common/gpu/gpu_memory_allocation.h"
 #include "gpu/command_buffer/common/command_buffer.h"
 #include "gpu/command_buffer/common/command_buffer_shared.h"
 #include "ipc/ipc_listener.h"
 
 struct GPUCommandBufferConsoleMessage;
 
 namespace base {
@@ skipping 77 matching lines @@
   // handled only on the GPU process' IO thread, and so is not effectively
   // a finish.
   bool GenerateMailboxNames(unsigned num, std::vector<gpu::Mailbox>* names);
 
   // Sends an IPC message with the new state of surface visibility.
   bool SetSurfaceVisible(bool visible);
 
   void SetOnConsoleMessageCallback(
       const GpuConsoleMessageCallback& callback);
 
+  void SetLatencyInfo(const cc::LatencyInfo& latency_info);
+
   // TODO(apatrick): this is a temporary optimization while skia is calling
   // ContentGLContext::MakeCurrent prior to every GL call. It saves returning 6
   // ints redundantly when only the error is needed for the
   // CommandBufferProxyImpl implementation.
   virtual gpu::error::Error GetLastError() OVERRIDE;
 
   void SendManagedMemoryStats(const GpuManagedMemoryStats& stats);
 
   GpuChannelHost* channel() const { return channel_; }
 
@@ skipping 58 matching lines @@
   // Tasks to be invoked in SignalSyncPoint responses.
   uint32 next_signal_id_;
   SignalTaskMap signal_tasks_;
 
   DISALLOW_COPY_AND_ASSIGN(CommandBufferProxyImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_COMMON_GPU_CLIENT_COMMAND_BUFFER_PROXY_IMPL_H_