Pass more detailed audio hardware configuration information to the renderer

content/common/media/media_param_traits.cc

Index: content/common/media/media_param_traits.cc
===================================================================
--- content/common/media/media_param_traits.cc	(revision 186233)
+++ content/common/media/media_param_traits.cc	(working copy)
@@ -44,6 +44,8 @@
   r->Reset(static_cast<AudioParameters::Format>(format),
            static_cast<ChannelLayout>(channel_layout), input_channels,
            sample_rate, bits_per_sample, frames_per_buffer);
+  if (channel_layout == media::CHANNEL_LAYOUT_UNSUPPORTED)
+    r->SetDiscreteChannels(channels);
   if (!r->IsValid())
     return false;
   return true;