Cast: Remove unused RTCP messages

media/cast/net/rtcp/rtcp_builder.h

Index: media/cast/net/rtcp/rtcp_builder.h
diff --git a/media/cast/net/rtcp/rtcp_builder.h b/media/cast/net/rtcp/rtcp_builder.h
index 1a9b169be111b15397893fb6b93056f78e3df688..b07ace1fe386724f53a74281a41b5bb286551b06 100644
--- a/media/cast/net/rtcp/rtcp_builder.h
+++ b/media/cast/net/rtcp/rtcp_builder.h
@@ -24,19 +24,15 @@ class RtcpBuilder {
   void SendRtcpFromRtpSender(uint32 packet_type_flags,
                              const RtcpSenderInfo& sender_info,
                              const RtcpDlrrReportBlock& dlrr,
-                             uint32 ssrc,
-                             const std::string& c_name);
+                             uint32 ssrc);
 
  private:
   bool BuildSR(const RtcpSenderInfo& sender_info, Packet* packet) const;
-  bool BuildSdec(Packet* packet) const;
-  bool BuildBye(Packet* packet) const;
   bool BuildDlrrRb(const RtcpDlrrReportBlock& dlrr,
                    Packet* packet) const;
 
   PacedSender* const transport_;  // Not owned by this class.
   uint32 ssrc_;
-  std::string c_name_;
 
   DISALLOW_COPY_AND_ASSIGN(RtcpBuilder);
 };