Cast:Adding cast_transport_config and cleaning up

media/cast/framer/framer.h

Index: media/cast/framer/framer.h
diff --git a/media/cast/framer/framer.h b/media/cast/framer/framer.h
index f6732d1979ef982d002fb03d4943cc82feae4e8c..095fb843ca16937aed2392e500cbc1655662fe7a 100644
--- a/media/cast/framer/framer.h
+++ b/media/cast/framer/framer.h
@@ -44,11 +44,11 @@ class Framer {
   // frame.
   // Returns false if the frame does not exist or if the frame is not complete
   // within the given time frame.
-  bool GetEncodedVideoFrame(EncodedVideoFrame* video_frame,
+  bool GetEncodedVideoFrame(transport::EncodedVideoFrame* video_frame,
                             uint32* rtp_timestamp,
                             bool* next_frame);
 
-  bool GetEncodedAudioFrame(EncodedAudioFrame* audio_frame,
+  bool GetEncodedAudioFrame(transport::EncodedAudioFrame* audio_frame,
                             uint32* rtp_timestamp,
                             bool* next_frame);