Move gpu client files to content_common, in content/common/gpu/client

content/renderer/gpu/gpu_video_decode_accelerator_host.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_RENDERER_GPU_GPU_VIDEO_DECODE_ACCELERATOR_HOST_H_
-#define CONTENT_RENDERER_GPU_GPU_VIDEO_DECODE_ACCELERATOR_HOST_H_
-
-#include <vector>
-
-#include "base/memory/weak_ptr.h"
-#include "base/threading/non_thread_safe.h"
-#include "ipc/ipc_channel.h"
-#include "media/video/video_decode_accelerator.h"
-
-class GpuChannelHost;
-
-// This class is used to talk to VideoDecodeAccelerator in the Gpu process
-// through IPC messages.
-class GpuVideoDecodeAcceleratorHost
-    : public IPC::Channel::Listener,
-      public media::VideoDecodeAccelerator,
-      public base::NonThreadSafe,
-      public base::SupportsWeakPtr<GpuVideoDecodeAcceleratorHost> {
- public:
-  // |channel| is used to send IPC messages to GPU process.
-  GpuVideoDecodeAcceleratorHost(GpuChannelHost* channel,
-                                int32 decoder_route_id,
-                                media::VideoDecodeAccelerator::Client* client);
-  virtual ~GpuVideoDecodeAcceleratorHost();
-
-  // IPC::Channel::Listener implementation.
-  virtual void OnChannelError() OVERRIDE;
-  virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
-
-  // media::VideoDecodeAccelerator implementation.
-  virtual bool Initialize(Profile profile) OVERRIDE;
-  virtual void Decode(const media::BitstreamBuffer& bitstream_buffer) OVERRIDE;
-  virtual void AssignPictureBuffers(
-      const std::vector<media::PictureBuffer>& buffers) OVERRIDE;
-  virtual void ReusePictureBuffer(int32 picture_buffer_id) OVERRIDE;
-  virtual void Flush() OVERRIDE;
-  virtual void Reset() OVERRIDE;
-  virtual void Destroy() OVERRIDE;
-
- private:
-  void Send(IPC::Message* message);
-
-  void OnBitstreamBufferProcessed(int32 bitstream_buffer_id);
-  void OnProvidePictureBuffer(
-    uint32 num_requested_buffers, const gfx::Size& buffer_size);
-  void OnDismissPictureBuffer(int32 picture_buffer_id);
-  void OnPictureReady(int32 picture_buffer_id, int32 bitstream_buffer_id);
-  void OnFlushDone();
-  void OnResetDone();
-  void OnErrorNotification(uint32 error);
-
-  // Sends IPC messages to the Gpu process.
-  GpuChannelHost* channel_;
-
-  // Route ID for the associated decoder in the GPU process.
-  // TODO(fischman): storing route_id's for GPU process entities in the renderer
-  // process is vulnerable to GPU process crashing & being respawned, and
-  // attempting to use an outdated or reused route id.
-  int32 decoder_route_id_;
-
-  // Reference to the client that will receive callbacks from the decoder.
-  media::VideoDecodeAccelerator::Client* client_;
-
-  DISALLOW_COPY_AND_ASSIGN(GpuVideoDecodeAcceleratorHost);
-};
-
-#endif  // CONTENT_RENDERER_GPU_GPU_VIDEO_DECODE_ACCELERATOR_HOST_H_