Added framer to cast.

media/cast/rtcp/rtcp_defines.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 MEDIA_CAST_RTCP_RTCP_DEFINES_H_
 #define MEDIA_CAST_RTCP_RTCP_DEFINES_H_
 
 #include <list>
 #include <map>
 #include <set>
-#include <vector>
 
 #include "media/cast/cast_config.h"
 #include "media/cast/cast_defines.h"
 
 namespace media {
 namespace cast {
 
 const uint16 kRtcpCastAllPacketsLost = 0xffff;
 
+typedef std::set<uint16> PacketIdSet;
+typedef std::map<uint8, PacketIdSet> MissingFramesAndPacketsMap;
+
 class RtcpCastMessage {
  public:
   explicit RtcpCastMessage(uint32 media_ssrc);
   ~RtcpCastMessage();
 
   uint32 media_ssrc_;
   uint8 ack_frame_id_;
-  std::map<uint8, std::set<uint16> > missing_frames_and_packets_;
+  MissingFramesAndPacketsMap missing_frames_and_packets_;
 };
 
 struct RtcpSenderInfo {
   // First three members are used for lipsync.
   // First two members are used for rtt.
   uint32 ntp_seconds;
   uint32 ntp_fraction;
   uint32 rtp_timestamp;
   uint32 send_packet_count;
   uint32 send_octet_count;
@@ skipping 68 matching lines @@
                        RtcpReceiverReferenceTimeReport rhs) {
   return lhs.remote_ssrc == rhs.remote_ssrc &&
       lhs.ntp_seconds == rhs.ntp_seconds &&
       lhs.ntp_fraction == rhs.ntp_fraction;
 }
 
 }  // namespace cast
 }  // namespace media
 
 #endif  // MEDIA_CAST_RTCP_RTCP_DEFINES_H_