Revert 273044 "Change kEnableAudioTrackProcessing to a disable f..."

trunk/src/content/renderer/media/webrtc_local_audio_track.cc

Index: trunk/src/content/renderer/media/webrtc_local_audio_track.cc
===================================================================
--- trunk/src/content/renderer/media/webrtc_local_audio_track.cc	(revision 275780)
+++ trunk/src/content/renderer/media/webrtc_local_audio_track.cc	(working copy)
@@ -113,7 +113,7 @@
 void WebRtcLocalAudioTrack::SetAudioProcessor(
     const scoped_refptr<MediaStreamAudioProcessor>& processor) {
   // if the |processor| does not have audio processing, which can happen if
-  // kDisableAudioTrackProcessing is set set or all the constraints in
+  // kEnableAudioTrackProcessing is not set or all the constraints in
   // the |processor| are turned off. In such case, we pass NULL to the
   // adapter to indicate that no stats can be gotten from the processor.
   adapter_->SetAudioProcessor(processor->has_audio_processing() ?