[Chromecast] Plumbs raw audio through CMA backend.

chromecast/media/audio/cast_audio_manager_factory.h

+// 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.
+
+#ifndef CHROMECAST_MEDIA_AUDIO_CAST_AUDIO_MANAGER_FACTORY_H_
+#define CHROMECAST_MEDIA_AUDIO_CAST_AUDIO_MANAGER_FACTORY_H_
+
+#include "base/macros.h"
+#include "media/audio/audio_manager_factory.h"
+
+namespace chromecast {
+namespace media {
+
+class CastAudioManagerFactory : public ::media::AudioManagerFactory {
+ public:
+  CastAudioManagerFactory();
+  ~CastAudioManagerFactory() override;
+
+  // ::media::AudioManagerFactory overrides.
+  ::media::AudioManager* CreateInstance(
+      ::media::AudioLogFactory* audio_log_factory) override;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(CastAudioManagerFactory);
+};
+
+}  // namespace media
+}  // namespace chromecast
+
+#endif  // CHROMECAST_MEDIA_AUDIO_CAST_AUDIO_MANAGER_FACTORY_H_