Misc. small cleanups

talk/media/base/codec.h

Index: talk/media/base/codec.h
diff --git a/talk/media/base/codec.h b/talk/media/base/codec.h
index ea6c5415dcedf9220532738c21d3d69438b1eff8..39af7b86326ce936e9a1610c05c3d1a159ca792b 100644
--- a/talk/media/base/codec.h
+++ b/talk/media/base/codec.h
@@ -131,7 +131,12 @@ struct AudioCodec : public Codec {
   int channels;
 
   // Creates a codec with the given parameters.
-  AudioCodec(int pt, const std::string& nm, int cr, int br, int cs, int pr);
+  AudioCodec(int id,

[perkj_webrtc, 2016/01/07 09:47:05]

This no longer match VideoCodec below. Would you mind fixing that too to make
the file style consistent. 

[Peter Kasting, 2016/01/07 09:48:36]

Yeah, I can fix that.

[Peter Kasting, 2016/01/08 01:36:27]

Done.

+             const std::string& name,
+             int clockrate,
+             int bitrate,
+             int channels,
+             int preference);
   // Creates an empty codec.
   AudioCodec();
   AudioCodec(const AudioCodec& c);