Pass more detailed audio hardware configuration information to the renderer

content/renderer/media/audio_message_filter.cc

Index: content/renderer/media/audio_message_filter.cc
===================================================================
--- content/renderer/media/audio_message_filter.cc	(revision 187648)
+++ content/renderer/media/audio_message_filter.cc	(working copy)
@@ -172,7 +172,22 @@
   if (!audio_hardware_config_)
     return;
 
-  audio_hardware_config_->UpdateOutputConfig(new_buffer_size, new_sample_rate);
+  // TODO(crogers): fix OnOutputDeviceChanged() to pass AudioParameters.
+  media::ChannelLayout channel_layout =
+      audio_hardware_config_->GetOutputChannelLayout();
+  int channels = audio_hardware_config_->GetOutputChannels();
+
+  media::AudioParameters output_params;
+  output_params.Reset(
+      media::AudioParameters::AUDIO_PCM_LOW_LATENCY,
+      channel_layout,
+      channels,
+      0,
+      new_sample_rate,
+      16,
+      new_buffer_size);
+
+  audio_hardware_config_->UpdateOutputConfig(output_params);
 }
 
 void AudioMessageFilter::SetAudioHardwareConfig(