Switching audio clients to using RestartableAudioRendererSink interface as a sink.

media/base/restartable_audio_output_device.h

Index: media/base/restartable_audio_output_device.h
diff --git a/media/base/restartable_audio_output_device.h b/media/base/restartable_audio_output_device.h
new file mode 100644
index 0000000000000000000000000000000000000000..1ab184ba613ebd40af0c45f7a0ade7870fea8860
--- /dev/null
+++ b/media/base/restartable_audio_output_device.h
@@ -0,0 +1,21 @@
+// 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_