Replace RTC_DCHECK(false) with RTC_NOTREACHED().

webrtc/api/quicdatatransport.cc

 /*
  *  Copyright 2016 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 116 matching lines @@
   quic_stream_by_id_[stream->id()] = stream;
   stream->SignalDataReceived.connect(this, &QuicDataTransport::OnDataReceived);
 }
 
 // Called when the first QUIC stream frame is received for incoming data.
 void QuicDataTransport::OnDataReceived(net::QuicStreamId id,
                                        const char* data,
                                        size_t len) {
   const auto& quic_stream_kv = quic_stream_by_id_.find(id);
   if (quic_stream_kv == quic_stream_by_id_.end()) {
-    RTC_DCHECK(false);
+    RTC_NOTREACHED();
     return;
   }
   cricket::ReliableQuicStream* stream = quic_stream_kv->second;
   stream->SignalDataReceived.disconnect(this);
   quic_stream_by_id_.erase(id);
   // Read the data channel ID and message ID.
   int data_channel_id;
   uint64_t message_id;
   size_t bytes_read;
   if (!ParseQuicDataMessageHeader(data, len, &data_channel_id, &message_id,
@@ skipping 40 matching lines @@
   if (transport_channel) {
     network_thread_->Invoke<void>(
         RTC_FROM_HERE,
         rtc::Bind(&cricket::TransportController::DestroyTransportChannel_n,
                   transport_controller_, transport_channel->transport_name(),
                   cricket::ICE_CANDIDATE_COMPONENT_DEFAULT));
   }
 }
 
 }  // namespace webrtc