Audio output debug recording.

media/audio/audio_output_controller.cc

Index: media/audio/audio_output_controller.cc
diff --git a/media/audio/audio_output_controller.cc b/media/audio/audio_output_controller.cc
index 55ce9502ef7bddac261ae35ff364ecca3473b35c..ae72bdda8f5e52e39c2c879e5d68634decb7fed7 100644
--- a/media/audio/audio_output_controller.cc
+++ b/media/audio/audio_output_controller.cc
@@ -300,6 +300,8 @@ int AudioOutputController::OnMoreData(base::TimeDelta delay,
                                       AudioBus* dest) {
   TRACE_EVENT0("audio", "AudioOutputController::OnMoreData");
 
+  //  NOTREACHED();
+
   // Indicate that we haven't wedged (at least not indefinitely, WedgeCheck()
   // may have already fired if OnMoreData() took an abnormal amount of time).
   // Since this thread is the only writer of |on_more_io_data_called_| once the
@@ -501,6 +503,23 @@ std::pair<float, bool> AudioOutputController::ReadCurrentPowerAndClip() {
   return power_monitor_.ReadCurrentPowerAndClip();
 }
 
+void AudioOutputController::EnableDebugRecording(
+    const base::FilePath& file_name) {
+  CHECK_EQ(AudioManager::Get(), audio_manager_);
+  message_loop_->PostTask(
+      FROM_HERE, base::Bind(&AudioOutputController::DoEnableDebugRecording,
+                            this, file_name));
+}
+
+void AudioOutputController::DoEnableDebugRecording(
+    const base::FilePath& file_name) {
+  stream_->EnableDebugRecording(file_name);
+}
+
+void AudioOutputController::DisableDebugRecording() {}
+
+void AudioOutputController::DoDisableDebugRecording() {}
+
 void AudioOutputController::WedgeCheck() {
   DCHECK(message_loop_->BelongsToCurrentThread());