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

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

 // 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.
 
 #include "media/cast/rtcp/rtcp_sender.h"
 
 #include <algorithm>
 #include <vector>
 
 #include "base/debug/trace_event.h"
 #include "base/logging.h"
 #include "media/cast/pacing/paced_sender.h"
 #include "media/cast/rtcp/rtcp_utility.h"
 #include "net/base/big_endian.h"
 
 namespace media {
 namespace cast {
 
 static const int kRtcpMaxNackFields = 253;
 static const int kRtcpMaxCastLossFields = 100;
 
 RtcpSender::RtcpSender(PacedPacketSender* outgoing_transport,
                        uint32 sending_ssrc,
                        const std::string& c_name)
      : 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() {}
 
 void RtcpSender::SendRtcp(uint32 packet_type_flags,
                           const RtcpSenderInfo* sender_info,
                           const RtcpReportBlock* report_block,
                           uint32 pli_remote_ssrc,
                           const RtcpDlrrReportBlock* dlrr,
                           const RtcpReceiverReferenceTimeReport* rrtr,
@@ skipping 496 matching lines @@
   (*packet)[cast_size_pos] = static_cast<uint8>(4 + number_of_loss_fields);
   (*packet)[cast_loss_field_pos] = static_cast<uint8>(number_of_loss_fields);
 
   // Frames with missing packets.
   TRACE_COUNTER_ID1("cast_rtcp", "RtcpSender::CastNACK", ssrc_,
                     cast->missing_frames_and_packets_.size());
 }
 
 }  // namespace cast
 }  // namespace media