Log audio system used to WebRTC log.

chromecast/media/audio/cast_audio_manager.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.h"
 
 #include <algorithm>
 #include <string>
 
 #include "base/bind.h"
@@ skipping 65 matching lines @@
 
 ::media::AudioParameters CastAudioManager::GetInputStreamParameters(
     const std::string& device_id) {
   LOG(WARNING) << "No support for input audio devices";
   // Need to send a valid AudioParameters object even when it will unused.
   return ::media::AudioParameters(
       ::media::AudioParameters::AUDIO_PCM_LOW_LATENCY,
       ::media::CHANNEL_LAYOUT_STEREO, 48000, 16, 1024);
 }
 
+const char* CastAudioManager::GetName() {
+  return "Cast";
+}
+
 std::unique_ptr<MediaPipelineBackend>
 CastAudioManager::CreateMediaPipelineBackend(
     const MediaPipelineDeviceParams& params) {
   return backend_manager_->CreateMediaPipelineBackend(params);
 }
 
 void CastAudioManager::ReleaseOutputStream(::media::AudioOutputStream* stream) {
   // If |stream| is |mixer_output_stream_|, we should not use
   // AudioManagerBase::ReleaseOutputStream as we do not want the release
   // function to decrement |AudioManagerBase::num_output_streams_|. This is
@@ skipping 79 matching lines @@
   DCHECK(!mixer_output_stream_);  // Only allow 1 |mixer_output_stream_|.
 
   // Keep a reference to this stream for proper behavior on
   // CastAudioManager::ReleaseOutputStream.
   mixer_output_stream_.reset(new CastAudioOutputStream(params, this));
   return mixer_output_stream_.get();
 }
 
 }  // namespace media
 }  // namespace chromecast