Adding codecs to the RtpParameters returned by an RtpSender.

webrtc/media/engine/webrtcvideoengine2.h

Index: webrtc/media/engine/webrtcvideoengine2.h
diff --git a/webrtc/media/engine/webrtcvideoengine2.h b/webrtc/media/engine/webrtcvideoengine2.h
index b9ab0b71ed6f41dcd277c1e83dfcd211cc3c1b28..36c70d0e56082b9d04f6de7618b755a24e15b130 100644
--- a/webrtc/media/engine/webrtcvideoengine2.h
+++ b/webrtc/media/engine/webrtcvideoengine2.h
@@ -380,6 +380,7 @@ class WebRtcVideoChannel2 : public VideoMediaChannel, public webrtc::Transport {
     // entire channel.
     VideoSendStreamParameters parameters_ GUARDED_BY(lock_);
     // Contains settings that are unique for each stream, such as max_bitrate.
+    // Does *not* contain codecs, however.
     // TODO(skvlad): Move ssrcs_ and ssrc_groups_ into rtp_parameters_.
     // TODO(skvlad): Combine parameters_ and rtp_parameters_ once we have only
     // one stream per MediaChannel.