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diff --git a/content/renderer/gpu_video_service_host.h b/content/renderer/gpu_video_service_host.h
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+++ b/content/renderer/gpu_video_service_host.h
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+// Copyright (c) 2010 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_VIDEO_SERVICE_HOST_H_
+#define CONTENT_RENDERER_GPU_VIDEO_SERVICE_HOST_H_
+
+#include "base/singleton.h"
+#include "content/renderer/gpu_channel_host.h"
+#include "content/renderer/gpu_video_decoder_host.h"
+#include "ipc/ipc_channel.h"
+#include "media/base/buffers.h"
+#include "media/base/video_frame.h"
+
+// GpuVideoServiceHost lives on IO thread and is used to dispatch IPC messages
+// to GpuVideoDecoderHost objects.
+class GpuVideoServiceHost : public IPC::ChannelProxy::MessageFilter {
+ public:
+  GpuVideoServiceHost();
+
+  // IPC::ChannelProxy::MessageFilter implementations.
+  virtual bool OnMessageReceived(const IPC::Message& message);
+  virtual void OnFilterAdded(IPC::Channel* channel);
+  virtual void OnFilterRemoved();
+  virtual void OnChannelClosing();
+
+  // Called on RenderThread to create a hardware accelerated video decoder
+  // in the GPU process.
+  //
+  // A routing ID for the GLES2 context needs to be provided when creating a
+  // hardware video decoder. This is important because the resources used by
+  // the video decoder needs to be shared with the GLES2 context corresponding
+  // to the RenderView.
+  //
+  // This means that a GPU video decoder is tied to a specific RenderView and
+  // its GLES2 context in the GPU process.
+  //
+  // Returns a GpuVideoDecoderHost as a handle to control the video decoder.
+  GpuVideoDecoderHost* CreateVideoDecoder(int context_route_id);
+
+ private:
+  IPC::Channel* channel_;
+
+  // Router to send messages to a GpuVideoDecoderHost.
+  MessageRouter router_;
+
+  // ID for the next GpuVideoDecoderHost.
+  int32 next_decoder_host_id_;
+
+  DISALLOW_COPY_AND_ASSIGN(GpuVideoServiceHost);
+};
+
+#endif  // CONTENT_RENDERER_GPU_VIDEO_SERVICE_HOST_H_