relnote: Moving many QUIC DFATALS over to QUIC_BUG

net/quic/quic_connection.cc

 // Copyright (c) 2012 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 "net/quic/quic_connection.h"
 
 #include <string.h>
 #include <sys/types.h>
 
 #include <algorithm>
 #include <iterator>
 #include <limits>
 #include <memory>
 #include <set>
 #include <utility>
 
 #include "base/format_macros.h"
 #include "base/logging.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/stl_util.h"
 #include "base/strings/stringprintf.h"
 #include "net/base/net_errors.h"
 #include "net/quic/crypto/crypto_protocol.h"
 #include "net/quic/crypto/quic_decrypter.h"
 #include "net/quic/crypto/quic_encrypter.h"
 #include "net/quic/proto/cached_network_parameters.pb.h"
 #include "net/quic/quic_bandwidth.h"
+#include "net/quic/quic_bug_tracker.h"
 #include "net/quic/quic_config.h"
 #include "net/quic/quic_fec_group.h"
 #include "net/quic/quic_flags.h"
 #include "net/quic/quic_packet_generator.h"
 #include "net/quic/quic_utils.h"
 
 using base::StringPiece;
 using base::StringPrintf;
 using base::hash_map;
 using base::hash_set;
@@ skipping 1072 matching lines @@
 }
 
 QuicConsumedData QuicConnection::SendStreamData(
     QuicStreamId id,
     QuicIOVector iov,
     QuicStreamOffset offset,
     bool fin,
     FecProtection fec_protection,
     QuicAckListenerInterface* listener) {
   if (!fin && iov.total_length == 0) {
-    LOG(DFATAL) << "Attempt to send empty stream frame";
+    QUIC_BUG << "Attempt to send empty stream frame";
     return QuicConsumedData(0, false);
   }
 
   // Opportunistically bundle an ack with every outgoing packet.
   // Particularly, we want to bundle with handshake packets since we don't know
   // which decrypter will be used on an ack packet following a handshake
   // packet (a handshake packet from client to server could result in a REJ or a
   // SHLO from the server, leading to two different decrypters at the server.)
   //
   // TODO(jri): Note that ConsumeData may cause a response packet to be sent.
@@ skipping 1285 matching lines @@
   SendMtuDiscoveryPacket(mtu_discovery_target_);
 
   DCHECK(!mtu_discovery_alarm_->IsSet());
 }
 
 bool QuicConnection::ack_frame_updated() const {
   return received_packet_manager_.ack_frame_updated();
 }
 
 }  // namespace net