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..fcdb6ea512a34f9dcac88e3c71c1093278672a9f 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,
+             const std::string& name,
+             int clockrate,
+             int bitrate,
+             int channels,
+             int preference);
   // Creates an empty codec.
   AudioCodec();
   AudioCodec(const AudioCodec& c);
@@ -161,8 +166,13 @@ struct VideoCodec : public Codec {
   int framerate;
 
   // Creates a codec with the given parameters.
-  VideoCodec(int pt, const std::string& nm, int w, int h, int fr, int pr);
-  VideoCodec(int pt, const std::string& nm);
+  VideoCodec(int id,
+             const std::string& name,
+             int width,
+             int height,
+             int framerate,
+             int preference);
+  VideoCodec(int id, const std::string& name);
   // Creates an empty codec.
   VideoCodec();
   VideoCodec(const VideoCodec& c);