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

content/gpu/gpu_channel.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_CHANNEL_H_
-#define CONTENT_GPU_GPU_CHANNEL_H_
-#pragma once
-
-#include <set>
-#include <string>
-#include <vector>
-
-#include "base/id_map.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/process.h"
-#include "build/build_config.h"
-#include "content/common/message_router.h"
-#include "content/gpu/gpu_command_buffer_stub.h"
-#include "ipc/ipc_sync_channel.h"
-#include "ui/gfx/native_widget_types.h"
-#include "ui/gfx/size.h"
-
-class GpuRenderThread;
-class GpuWatchdogThread;
-struct GPUCreateCommandBufferConfig;
-class MessageLoop;
-
-namespace base {
-class WaitableEvent;
-}
-
-// Encapsulates an IPC channel between the GPU process and one renderer
-// process. On the renderer side there's a corresponding GpuChannelHost.
-class GpuChannel : public IPC::Channel::Listener,
-                   public IPC::Message::Sender,
-                   public base::RefCountedThreadSafe<GpuChannel> {
- public:
-  // Takes ownership of the renderer process handle.
-  GpuChannel(GpuRenderThread* gpu_render_thread,
-             GpuWatchdogThread* gpu_watchdog_thread,
-             int renderer_id);
-  virtual ~GpuChannel();
-
-  bool Init(MessageLoop* io_message_loop, base::WaitableEvent* shutdown_event);
-
-  // Get the GpuThread that owns this channel.
-  GpuRenderThread* gpu_render_thread() const { return gpu_render_thread_; }
-
-  // Returns the name of the associated IPC channel.
-  std::string GetChannelName();
-
-#if defined(OS_POSIX)
-  int GetRendererFileDescriptor();
-#endif  // defined(OS_POSIX)
-
-  base::ProcessHandle renderer_process() const {
-    return renderer_process_;
-  }
-
-  // IPC::Channel::Listener implementation:
-  virtual bool OnMessageReceived(const IPC::Message& msg);
-  virtual void OnChannelError();
-  virtual void OnChannelConnected(int32 peer_pid);
-
-  // IPC::Message::Sender implementation:
-  virtual bool Send(IPC::Message* msg);
-
-  void CreateViewCommandBuffer(
-      gfx::PluginWindowHandle window,
-      int32 render_view_id,
-      const GPUCreateCommandBufferConfig& init_params,
-      int32* route_id);
-
-#if defined(OS_MACOSX)
-  virtual void AcceleratedSurfaceBuffersSwapped(
-      int32 route_id, uint64 swap_buffers_count);
-  void DestroyCommandBufferByViewId(int32 render_view_id);
-#endif
-
- private:
-  bool OnControlMessageReceived(const IPC::Message& msg);
-
-  int GenerateRouteID();
-
-  // Message handlers.
-  void OnInitialize(base::ProcessHandle renderer_process);
-  void OnCreateOffscreenCommandBuffer(
-      int32 parent_route_id,
-      const gfx::Size& size,
-      const GPUCreateCommandBufferConfig& init_params,
-      uint32 parent_texture_id,
-      int32* route_id);
-  void OnDestroyCommandBuffer(int32 route_id);
-
-  void OnCreateVideoDecoder(int32 context_route_id,
-                            int32 decoder_host_id);
-  void OnDestroyVideoDecoder(int32 decoder_id);
-
-  // The lifetime of objects of this class is managed by a GpuRenderThread. The
-  // GpuRenderThreads destroy all the GpuChannels that they own when they
-  // are destroyed. So a raw pointer is safe.
-  GpuRenderThread* gpu_render_thread_;
-
-  scoped_ptr<IPC::SyncChannel> channel_;
-
-  // The id of the renderer who is on the other side of the channel.
-  int renderer_id_;
-
-  // Handle to the renderer process that is on the other side of the channel.
-  base::ProcessHandle renderer_process_;
-
-  // The process id of the renderer process.
-  base::ProcessId renderer_pid_;
-
-  // Used to implement message routing functionality to CommandBuffer objects
-  MessageRouter router_;
-
-#if defined(ENABLE_GPU)
-  typedef IDMap<GpuCommandBufferStub, IDMapOwnPointer> StubMap;
-  StubMap stubs_;
-#endif  // defined (ENABLE_GPU)
-
-  bool log_messages_;  // True if we should log sent and received messages.
-  gpu::gles2::DisallowedExtensions disallowed_extensions_;
-  GpuWatchdogThread* watchdog_thread_;
-
-  DISALLOW_COPY_AND_ASSIGN(GpuChannel);
-};
-
-#endif  // CONTENT_GPU_GPU_CHANNEL_H_