Switching audio clients to using RestartableAudioRendererSink interface as a sink.

media/base/restartable_audio_output_device.h

+// Copyright (c) 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 MEDIA_BASE_RESTARTABLE_AUDIO_OUTPUT_DEVICE_H_
+#define MEDIA_BASE_RESTARTABLE_AUDIO_OUTPUT_DEVICE_H_
+
+#include "media/base/audio_renderer_sink.h"
+#include "media/base/output_device.h"
+
+namespace media {
+
+class RestartableAudioOutputDevice : public RestartableAudioRendererSink,
+                                     public OutputDevice {
+ protected:
+  ~RestartableAudioOutputDevice() override {}
+};
+
+}  // namespace media
+
+#endif  // MEDIA_BASE_RESTARTABLE_AUDIO_OUTPUT_DEVICE_H_