Upgrade AudioBus to support wrapping, interleaving.

media/audio/audio_util.cc

Index: media/audio/audio_util.cc
diff --git a/media/audio/audio_util.cc b/media/audio/audio_util.cc
index d54f2774007ae96ef4d82894a826b3a6b3bcc596..0abff480c2d8150b8cece6203c15391ade3acdf5 100644
--- a/media/audio/audio_util.cc
+++ b/media/audio/audio_util.cc
@@ -182,6 +182,7 @@ bool FoldChannels(void* buf,
   return false;
 }
 
+// TODO(dalecurtis): Delete once everywhere is using the AudioBus version.
 bool DeinterleaveAudioChannel(void* source,
                               float* destination,
                               int channels,
@@ -259,6 +260,7 @@ static void InterleaveFloatToInt(const AudioBus* source,
   }
 }
 
+// TODO(dalecurtis): Delete once everywhere is using the AudioBus version.
 void InterleaveFloatToInt(const AudioBus* source, void* dst,
                           size_t number_of_frames, int bytes_per_sample) {
   switch (bytes_per_sample) {