Cast:Moving netwrok sender related code to a designated folder

media/cast/net/rtp_sender/rtp_packetizer/rtp_packetizer_config.h

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef CAST_RTP_SENDER_RTP_PACKETIZER_RTP_PACKETIZER_CONFIG_H_
-#define CAST_RTP_SENDER_RTP_PACKETIZER_RTP_PACKETIZER_CONFIG_H_
+#ifndef CAST_NET_RTP_SENDER_RTP_PACKETIZER_RTP_PACKETIZER_CONFIG_H_
+#define CAST_NET_RTP_SENDER_RTP_PACKETIZER_RTP_PACKETIZER_CONFIG_H_
 
 #include "media/cast/cast_config.h"
-#include "media/cast/rtp_common/rtp_defines.h"
+#include "media/cast/rtp_receiver/rtp_receiver_defines.h"
 
 namespace media {
 namespace cast {
 
 struct RtpPacketizerConfig {
   RtpPacketizerConfig();
 
   // General.
   bool audio;
   int payload_type;
   uint16 max_payload_length;
   uint16 sequence_number;
   uint32 rtp_timestamp;
   int frequency;
 
   // SSRC.
   unsigned int ssrc;
 
   // Video.
   VideoCodec video_codec;
 
   // Audio.
   uint8 channels;
   AudioCodec audio_codec;
 };
 
 }  // namespace cast
 }  // namespace media
 
-#endif  // CAST_RTP_SENDER_RTP_PACKETIZER_RTP_PACKETIZER_CONFIG_H_
+#endif  // CAST_NET_RTP_SENDER_RTP_PACKETIZER_RTP_PACKETIZER_CONFIG_H_