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diff --git a/chromium/media/base/android/demuxer_android.h b/chromium/media/base/android/demuxer_android.h
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+++ b/chromium/media/base/android/demuxer_android.h
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+// Copyright 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 MEDIA_BASE_ANDROID_DEMUXER_ANDROID_H_
+#define MEDIA_BASE_ANDROID_DEMUXER_ANDROID_H_
+
+#include "base/basictypes.h"
+#include "base/time/time.h"
+#include "media/base/demuxer_stream.h"
+#include "media/base/media_export.h"
+
+namespace media {
+
+class DemuxerAndroidClient;
+struct DemuxerConfigs;
+struct DemuxerData;
+
+// Defines a demuxer with ID-based asynchronous operations.
+//
+// TODO(scherkus): Remove |demuxer_client_id| and Add/RemoveDemuxerClient().
+// It's required in the interim as the Android Media Source implementation uses
+// the MediaPlayerAndroid interface and associated IPC messages.
+class MEDIA_EXPORT DemuxerAndroid {
+ public:
+  // Associates |client| with the demuxer using |demuxer_client_id| as the
+  // identifier. Must be called prior to calling any other methods.
+  virtual void AddDemuxerClient(int demuxer_client_id,
+                                DemuxerAndroidClient* client) = 0;
+
+  // Removes the association created by AddClient(). Must be called when the
+  // client no longer wants to receive updates.
+  virtual void RemoveDemuxerClient(int demuxer_client_id) = 0;
+
+  // Called to request the current audio/video decoder configurations.
+  virtual void RequestDemuxerConfigs(int demuxer_client_id) = 0;
+
+  // Called to request additiona data from the demuxer.
+  virtual void RequestDemuxerData(int demuxer_client_id,
+                                  media::DemuxerStream::Type type) = 0;
+
+  // Called to request the demuxer to seek to a particular media time.
+  virtual void RequestDemuxerSeek(int demuxer_client_id,
+                                  base::TimeDelta time_to_seek,
+                                  unsigned seek_request_id) = 0;
+
+ protected:
+  virtual ~DemuxerAndroid() {}
+};
+
+// Defines the client callback interface.
+class MEDIA_EXPORT DemuxerAndroidClient {
+ public:
+  // Called in response to RequestDemuxerConfigs() and also when the demuxer has
+  // initialized.
+  //
+  // TODO(scherkus): Perhaps clients should be required to call
+  // RequestDemuxerConfigs() to initialize themselves instead of the demuxer
+  // calling this method without being prompted.
+  virtual void OnDemuxerConfigsAvailable(const DemuxerConfigs& params) = 0;
+
+  // Called in response to RequestDemuxerData().
+  virtual void OnDemuxerDataAvailable(const DemuxerData& params) = 0;
+
+  // Called in response to RequestDemuxerSeek().
+  virtual void OnDemuxerSeeked(unsigned seek_request_id) = 0;
+
+  // Called whenever the demuxer has detected a duration change.
+  virtual void OnDemuxerDurationChanged(base::TimeDelta duration) = 0;
+
+ protected:
+  virtual ~DemuxerAndroidClient() {}
+};
+
+}  // namespace media
+
+#endif  // MEDIA_BASE_ANDROID_DEMUXER_ANDROID_H_