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diff --git a/chromium/content/renderer/media/webrtc/video_destination_handler.h b/chromium/content/renderer/media/webrtc/video_destination_handler.h
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+++ b/chromium/content/renderer/media/webrtc/video_destination_handler.h
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+// Copyright (c) 2013 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_MEDIA_WEBRTC_VIDEO_DESTINATION_HANDLER_H_
+#define CONTENT_RENDERER_MEDIA_WEBRTC_VIDEO_DESTINATION_HANDLER_H_
+
+#include <string>
+#include <vector>
+
+#include "base/compiler_specific.h"
+#include "base/memory/weak_ptr.h"
+#include "content/common/content_export.h"
+#include "content/renderer/media/media_stream_video_source.h"
+#include "media/base/video_frame_pool.h"
+
+namespace content {
+
+class PeerConnectionDependencyFactory;
+class MediaStreamRegistryInterface;
+class PPB_ImageData_Impl;
+
+// Interface used by the effects pepper plugin to output the processed frame
+// to the video track.
+class CONTENT_EXPORT FrameWriterInterface {
+ public:
+  // The ownership of the |image_data| deosn't transfer. So the implementation
+  // of this interface should make a copy of the |image_data| before return.
+  virtual void PutFrame(PPB_ImageData_Impl* image_data,
+                        int64 time_stamp_ns) = 0;
+  virtual ~FrameWriterInterface() {}
+};
+
+// PpFrameWriter implements MediaStreamVideoSource and can therefore provide
+// video frames to MediaStreamVideoTracks. It also implements
+// FrameWriterInterface, which will be used by the effects pepper plugin to
+// inject the processed frame.
+class CONTENT_EXPORT PpFrameWriter
+    : NON_EXPORTED_BASE(public MediaStreamVideoSource),
+      public FrameWriterInterface,
+      NON_EXPORTED_BASE(public base::SupportsWeakPtr<PpFrameWriter>) {
+ public:
+  PpFrameWriter();
+  virtual ~PpFrameWriter();
+
+  // FrameWriterInterface implementation.
+  // This method will be called by the Pepper host from render thread.
+  virtual void PutFrame(PPB_ImageData_Impl* image_data,
+                        int64 time_stamp_ns) OVERRIDE;
+ protected:
+  // MediaStreamVideoSource implementation.
+  virtual void GetCurrentSupportedFormats(
+      int max_requested_width,
+      int max_requested_height,
+      const VideoCaptureDeviceFormatsCB& callback) OVERRIDE;
+  virtual void StartSourceImpl(
+      const media::VideoCaptureParams& params,
+      const VideoCaptureDeliverFrameCB& frame_callback) OVERRIDE;
+  virtual void StopSourceImpl() OVERRIDE;
+
+ private:
+  media::VideoFramePool frame_pool_;
+
+  class FrameWriterDelegate;
+  scoped_refptr<FrameWriterDelegate> delegate_;
+
+  DISALLOW_COPY_AND_ASSIGN(PpFrameWriter);
+};
+
+// VideoDestinationHandler is a glue class between the content MediaStream and
+// the effects pepper plugin host.
+class CONTENT_EXPORT VideoDestinationHandler {
+ public:
+  // Instantiates and adds a new video track to the MediaStream specified by
+  // |url|. Returns a handler for delivering frames to the new video track as
+  // |frame_writer|.
+  // If |registry| is NULL the global blink::WebMediaStreamRegistry will be
+  // used to look up the media stream.
+  // The caller of the function takes the ownership of |frame_writer|.
+  // Returns true on success and false on failure.
+  static bool Open(MediaStreamRegistryInterface* registry,
+                   const std::string& url,
+                   FrameWriterInterface** frame_writer);
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(VideoDestinationHandler);
+};
+
+}  // namespace content
+
+#endif  // CONTENT_RENDERER_MEDIA_VIDEO_DESTINATION_HANDLER_H_
+