[NotForReview] Move GJDAH and GJDA to media/gpu/mojo

media/gpu/ipc/service/gpu_jpeg_decode_accelerator.h

-// Copyright 2015 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 MEDIA_GPU_IPC_SERVICE_GPU_JPEG_DECODE_ACCELERATOR_H_
-#define MEDIA_GPU_IPC_SERVICE_GPU_JPEG_DECODE_ACCELERATOR_H_
-
-#include <stdint.h>
-
-#include <memory>
-
-#include "base/macros.h"
-#include "base/memory/ref_counted.h"
-#include "base/memory/weak_ptr.h"
-#include "base/sequence_checker.h"
-#include "base/synchronization/waitable_event.h"
-#include "ipc/ipc_listener.h"
-#include "ipc/ipc_sender.h"
-#include "media/gpu/mojo/jpeg_decoder.mojom.h"
-#include "media/video/jpeg_decode_accelerator.h"
-
-namespace base {
-class SingleThreadTaskRunner;
-}
-
-namespace gpu {
-class FilteredSender;
-}
-
-namespace media {
-
-class GpuJpegDecodeAcceleratorFactoryProvider {
- public:
-  using CreateAcceleratorCB =
-      base::Callback<std::unique_ptr<JpegDecodeAccelerator>(
-          scoped_refptr<base::SingleThreadTaskRunner>)>;
-
-  // Static query for JPEG supported. This query calls the appropriate
-  // platform-specific version.
-  static bool IsAcceleratedJpegDecodeSupported();
-
-  static std::vector<CreateAcceleratorCB> GetAcceleratorFactories();
-};
-
-// TODO(c.padhi): Move GpuJpegDecodeAccelerator to media/gpu/mojo, see
-// http://crbug.com/699255.
-class GpuJpegDecodeAccelerator
-    : public IPC::Sender,
-      public mojom::GpuJpegDecodeAccelerator,
-      public base::SupportsWeakPtr<GpuJpegDecodeAccelerator> {
- public:
-  // |channel| must outlive this object.
-  // This convenience constructor internally calls
-  // GpuJpegDecodeAcceleratorFactoryProvider::GetAcceleratorFactories() to
-  // fill |accelerator_factory_functions_|.
-  GpuJpegDecodeAccelerator(
-      gpu::FilteredSender* channel,
-      scoped_refptr<base::SingleThreadTaskRunner> io_task_runner);
-
-  // |channel| must outlive this object.
-  GpuJpegDecodeAccelerator(
-      gpu::FilteredSender* channel,
-      scoped_refptr<base::SingleThreadTaskRunner> io_task_runner,
-      std::vector<GpuJpegDecodeAcceleratorFactoryProvider::CreateAcceleratorCB>
-          accelerator_factory_functions);
-  ~GpuJpegDecodeAccelerator() override;
-
-  void AddClient(int32_t route_id, base::Callback<void(bool)> response);
-
-  void NotifyDecodeStatus(int32_t route_id,
-                          int32_t bitstream_buffer_id,
-                          JpegDecodeAccelerator::Error error);
-
-  // mojom::GpuJpegDecodeAccelerator implementation.
-  void Initialize(InitializeCallback callback) override;
-  void Decode(mojom::BitstreamBufferPtr input_buffer,
-              const gfx::Size& coded_size,
-              mojo::ScopedSharedBufferHandle output_handle,
-              uint32_t output_buffer_size,
-              DecodeCallback callback) override;
-  void Uninitialize() override;
-
-  // Function to delegate sending to actual sender.
-  bool Send(IPC::Message* message) override;
-
- private:
-  class Client;
-  class MessageFilter;
-
-  void ClientRemoved();
-
-  std::vector<GpuJpegDecodeAcceleratorFactoryProvider::CreateAcceleratorCB>
-      accelerator_factory_functions_;
-
-  gpu::FilteredSender* channel_;
-
-  // The message filter to run JpegDecodeAccelerator::Decode on IO thread.
-  scoped_refptr<MessageFilter> filter_;
-
-  // GPU child task runner.
-  scoped_refptr<base::SingleThreadTaskRunner> child_task_runner_;
-
-  // GPU IO task runner.
-  scoped_refptr<base::SingleThreadTaskRunner> io_task_runner_;
-
-  // Number of clients added to |filter_|.
-  int client_number_;
-
-  SEQUENCE_CHECKER(sequence_checker_);
-
-  DISALLOW_IMPLICIT_CONSTRUCTORS(GpuJpegDecodeAccelerator);
-};
-
-}  // namespace media
-
-#endif  // MEDIA_GPU_IPC_SERVICE_GPU_JPEG_DECODE_ACCELERATOR_H_