Revert 226264 "Be able to build cast_unittest and related target..."

trunk/src/media/cast/rtcp/rtcp_sender.cc

Index: trunk/src/media/cast/rtcp/rtcp_sender.cc
===================================================================
--- trunk/src/media/cast/rtcp/rtcp_sender.cc	(revision 226266)
+++ trunk/src/media/cast/rtcp/rtcp_sender.cc	(working copy)
@@ -25,8 +25,7 @@
      : ssrc_(sending_ssrc),
        c_name_(c_name),
        transport_(outgoing_transport) {
-  DCHECK_LT(static_cast<int>(c_name_.length()),
-            kRtcpCnameSize) << "Invalid config";
+  DCHECK_LT(c_name_.length(), kRtcpCnameSize) << "Invalid config";
 }
 
 RtcpSender::~RtcpSender() {}