[Chromecast] Plumbs raw audio through CMA backend.

chromecast/media/audio/cast_audio_manager_factory.cc

+// Copyright 2015 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.
+
+#include "chromecast/media/audio/cast_audio_manager_factory.h"
+
+#include "chromecast/media/audio/cast_audio_manager.h"
+
+namespace chromecast {
+namespace media {
+
+CastAudioManagerFactory::CastAudioManagerFactory() {}
+
+CastAudioManagerFactory::~CastAudioManagerFactory() {}
+
+::media::AudioManager* CastAudioManagerFactory::CreateInstance(
+    ::media::AudioLogFactory* audio_log_factory) {
+  return new CastAudioManager(audio_log_factory);
+}
+
+}  // namespace media
+}  // namespace chromecast