Moved code that runs in both the browser and GPU process from content/gpu to content/common/gpu.

content/gpu/gpu_render_thread.h

-// Copyright (c) 2011 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_GPU_GPU_RENDER_THREAD_H_
-#define CONTENT_GPU_GPU_RENDER_THREAD_H_
-#pragma once
-
-#include <string>
-
-#include "base/basictypes.h"
-#include "base/hash_tables.h"
-#include "base/command_line.h"
-#include "base/memory/ref_counted.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/time.h"
-#include "build/build_config.h"
-#include "content/common/child_thread.h"
-#include "content/common/gpu_info.h"
-#include "content/gpu/gpu_channel.h"
-#include "content/gpu/gpu_config.h"
-#include "content/gpu/x_util.h"
-#include "ipc/ipc_channel.h"
-#include "ipc/ipc_message.h"
-#include "ui/gfx/native_widget_types.h"
-
-namespace IPC {
-struct ChannelHandle;
-}
-
-// A GpuRenderThread is a thread responsible for issuing rendering commands to
-// a GPU. There is currently only one per GPU process. This might change. Assume
-// there are many, all running on different threads.
-//
-// A GpuRenderThread can also be hosted in the browser process in single process
-// or in-process GPU modes. In this case there is no corresponding
-// GpuChildThread and this is the reason the GpuChildThread is referenced via
-// a pointer to IPC::Message::Sender, which can be implemented by other hosts
-// to send IPC messages to the browser process IO thread on the
-// GpuRenderThread's behalf.
-class GpuRenderThread : public IPC::Channel::Listener,
-                        public IPC::Message::Sender {
- public:
-  GpuRenderThread(IPC::Message::Sender* browser_channel,
-                  GpuWatchdogThread* gpu_watchdog_thread,
-                  MessageLoop* io_message_loop,
-                  base::WaitableEvent* shutdown_event);
-  ~GpuRenderThread();
-
-  // Remove the channel for a particular renderer.
-  void RemoveChannel(int renderer_id);
-
-  // Listener overrides.
-  virtual bool OnMessageReceived(const IPC::Message& msg);
-
-  // Sender overrides.
-  virtual bool Send(IPC::Message* msg);
-
- private:
-  // Message handlers.
-  void OnEstablishChannel(int renderer_id);
-  void OnCloseChannel(const IPC::ChannelHandle& channel_handle);
-  void OnSynchronize();
-  void OnCreateViewCommandBuffer(
-      gfx::PluginWindowHandle window,
-      int32 render_view_id,
-      int32 renderer_id,
-      const GPUCreateCommandBufferConfig& init_params);
-#if defined(OS_MACOSX)
-  void OnAcceleratedSurfaceBuffersSwappedACK(
-      int renderer_id, int32 route_id, uint64 swap_buffers_count);
-  void OnDestroyCommandBuffer(int renderer_id, int32 renderer_view_id);
-#endif
-
-  MessageLoop* io_message_loop_;
-  base::WaitableEvent* shutdown_event_;
-
-  // Either an IPC channel to the browser or, if the GpuRenderThread is
-  // running in the browser process, a Sender implementation that will post
-  // IPC messages to the UI thread.
-  IPC::Message::Sender* browser_channel_;
-
-  // These objects manage channels to individual renderer processes there is
-  // one channel for each renderer process that has connected to this GPU
-  // process.
-  typedef base::hash_map<int, scoped_refptr<GpuChannel> > GpuChannelMap;
-  GpuChannelMap gpu_channels_;
-  GpuWatchdogThread* watchdog_thread_;
-
-  DISALLOW_COPY_AND_ASSIGN(GpuRenderThread);
-};
-
-#endif  // CONTENT_GPU_GPU_RENDER_THREAD_H_