Adding codecs to the RtpParameters returned by an RtpSender.

webrtc/media/base/codec.h

Index: webrtc/media/base/codec.h
diff --git a/webrtc/media/base/codec.h b/webrtc/media/base/codec.h
index 7476c026942761d48a4fd0172b24331a0e6931e7..1489785450781998a0583886328ffb8b5683c5d0 100644
--- a/webrtc/media/base/codec.h
+++ b/webrtc/media/base/codec.h
@@ -16,6 +16,7 @@
 #include <string>
 #include <vector>
 
+#include "webrtc/api/rtpparameters.h"
 #include "webrtc/media/base/mediaconstants.h"
 
 namespace cricket {
@@ -100,6 +101,8 @@ struct Codec {
   // and |other| are kept.
   void IntersectFeedbackParams(const Codec& other);
 
+  virtual webrtc::RtpCodecParameters ToCodecParameters() const;
+
   Codec& operator=(const Codec& c);
 
   bool operator==(const Codec& c) const;
@@ -134,6 +137,8 @@ struct AudioCodec : public Codec {
 
   std::string ToString() const;
 
+  webrtc::RtpCodecParameters ToCodecParameters() const override;
+
   AudioCodec& operator=(const AudioCodec& c);
 
   bool operator==(const AudioCodec& c) const;