Replace RTC_DCHECK(false) with RTC_NOTREACHED().

webrtc/p2p/base/transportcontroller.cc

 /*
  *  Copyright 2015 The WebRTC Project Authors. All rights reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 741 matching lines @@
   UpdateAggregateStates_n();
 }
 
 void TransportController::OnChannelCandidateGathered_n(
     TransportChannelImpl* channel,
     const Candidate& candidate) {
   RTC_DCHECK(network_thread_->IsCurrent());
 
   // We should never signal peer-reflexive candidates.
   if (candidate.type() == PRFLX_PORT_TYPE) {
-    RTC_DCHECK(false);
+    RTC_NOTREACHED();
     return;
   }
   std::vector<Candidate> candidates;
   candidates.push_back(candidate);
   CandidatesData* data =
       new CandidatesData(channel->transport_name(), candidates);
   signaling_thread_->Post(RTC_FROM_HERE, this, MSG_CANDIDATESGATHERED, data);
 }
 
 void TransportController::OnChannelCandidatesRemoved_n(
@@ skipping 96 matching lines @@
         RTC_FROM_HERE, this, MSG_ICEGATHERINGSTATE,
         new rtc::TypedMessageData<IceGatheringState>(new_gathering_state));
   }
 }
 
 void TransportController::OnDtlsHandshakeError(rtc::SSLHandshakeError error) {
   SignalDtlsHandshakeError(error);
 }
 
 }  // namespace cricket