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diff --git a/chromium/components/arc/video_accelerator/gpu_arc_video_decode_accelerator.h b/chromium/components/arc/video_accelerator/gpu_arc_video_decode_accelerator.h
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index 00000000000..6be9cae26e1
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+++ b/chromium/components/arc/video_accelerator/gpu_arc_video_decode_accelerator.h
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+// Copyright 2016 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 COMPONENTS_ARC_VIDEO_ACCELERATOR_GPU_ARC_VIDEO_DECODE_ACCELERATOR_H_
+#define COMPONENTS_ARC_VIDEO_ACCELERATOR_GPU_ARC_VIDEO_DECODE_ACCELERATOR_H_
+
+#include <memory>
+#include <vector>
+
+#include "base/files/scoped_file.h"
+#include "base/macros.h"
+#include "base/threading/thread_checker.h"
+#include "components/arc/common/video_decode_accelerator.mojom.h"
+#include "components/arc/video_accelerator/arc_video_decode_accelerator.h"
+#include "components/arc/video_accelerator/video_frame_plane.h"
+#include "gpu/command_buffer/service/gpu_preferences.h"
+
+namespace arc {
+
+class ProtectedBufferManager;
+
+// GpuArcVideoDecodeAccelerator manages life-cycle and IPC message translation
+// for ArcVideoDecodeAccelerator.
+//
+// For each creation request from GpuArcVideoDecodeAcceleratorHost,
+// GpuArcVideoDecodeAccelerator will create a new IPC channel.
+class GpuArcVideoDecodeAccelerator
+    : public ::arc::mojom::VideoDecodeAccelerator,
+      public ArcVideoDecodeAccelerator::Client {
+ public:
+  GpuArcVideoDecodeAccelerator(
+      const gpu::GpuPreferences& gpu_preferences,
+      ProtectedBufferManager* protected_buffer_manager);
+  ~GpuArcVideoDecodeAccelerator() override;
+
+ private:
+  // ArcVideoDecodeAccelerator::Client implementation.
+  void OnError(ArcVideoDecodeAccelerator::Result error) override;
+  void OnBufferDone(PortType port,
+                    uint32_t index,
+                    const BufferMetadata& metadata) override;
+  void OnFlushDone() override;
+  void OnResetDone() override;
+  void OnOutputFormatChanged(const VideoFormat& format) override;
+
+  // ::arc::mojom::VideoDecodeAccelerator implementation.
+  void Initialize(::arc::mojom::VideoDecodeAcceleratorConfigPtr config,
+                  ::arc::mojom::VideoDecodeClientPtr client,
+                  InitializeCallback callback) override;
+
+  void AllocateProtectedBuffer(
+      ::arc::mojom::PortType port,
+      uint32_t index,
+      mojo::ScopedHandle handle,
+      uint64_t size,
+      AllocateProtectedBufferCallback callback) override;
+
+  void BindSharedMemory(::arc::mojom::PortType port,
+                        uint32_t index,
+                        mojo::ScopedHandle ashmem_handle,
+                        uint32_t offset,
+                        uint32_t length) override;
+  void BindDmabuf(::arc::mojom::PortType port,
+                  uint32_t index,
+                  mojo::ScopedHandle dmabuf_handle,
+                  std::vector<::arc::VideoFramePlane> planes) override;
+  void UseBuffer(::arc::mojom::PortType port,
+                 uint32_t index,
+                 ::arc::mojom::BufferMetadataPtr metadata) override;
+  void SetNumberOfOutputBuffers(uint32_t number) override;
+  void Flush() override;
+  void Reset() override;
+
+  base::ScopedFD UnwrapFdFromMojoHandle(mojo::ScopedHandle handle);
+
+  THREAD_CHECKER(thread_checker_);
+
+  gpu::GpuPreferences gpu_preferences_;
+  std::unique_ptr<ArcVideoDecodeAccelerator> accelerator_;
+  ::arc::mojom::VideoDecodeClientPtr client_;
+
+  DISALLOW_COPY_AND_ASSIGN(GpuArcVideoDecodeAccelerator);
+};
+
+}  // namespace arc
+
+#endif  // COMPONENTS_ARC_VIDEO_ACCELERATOR_GPU_ARC_VIDEO_DECODE_ACCELERATOR_H_