relnote: Moving many QUIC DFATALS over to QUIC_BUG

net/tools/quic/quic_dispatcher.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/tools/quic/quic_dispatcher.h"
 
 #include <utility>
 
 #include "base/debug/stack_trace.h"
 #include "base/logging.h"
 #include "base/macros.h"
 #include "base/stl_util.h"
+#include "net/quic/quic_bug_tracker.h"
 #include "net/quic/quic_flags.h"
 #include "net/quic/quic_utils.h"
 #include "net/tools/quic/quic_per_connection_packet_writer.h"
 #include "net/tools/quic/quic_simple_server_session.h"
 #include "net/tools/quic/quic_time_wait_list_manager.h"
 
 namespace net {
 
 namespace tools {
 
@@ skipping 371 matching lines @@
     // Validate that the session removes itself from the session map on close.
     DCHECK(session_map_.empty() || session_map_.begin()->second != session);
   }
   DeleteSessions();
 }
 
 void QuicDispatcher::OnConnectionClosed(QuicConnectionId connection_id,
                                         QuicErrorCode error) {
   SessionMap::iterator it = session_map_.find(connection_id);
   if (it == session_map_.end()) {
-    LOG(DFATAL) << "ConnectionId " << connection_id
-                << " does not exist in the session map.  "
-                << "Error: " << QuicUtils::ErrorToString(error);
-    LOG(DFATAL) << base::debug::StackTrace().ToString();
+    QUIC_BUG << "ConnectionId " << connection_id
+             << " does not exist in the session map.  Error: "
+             << QuicUtils::ErrorToString(error);
+    QUIC_BUG << base::debug::StackTrace().ToString();;
     return;
   }
 
   DVLOG_IF(1, error != QUIC_NO_ERROR)
       << "Closing connection (" << connection_id
       << ") due to error: " << QuicUtils::ErrorToString(error);
 
   if (closed_session_list_.empty()) {
     delete_sessions_alarm_->Cancel();
     delete_sessions_alarm_->Set(helper()->GetClock()->ApproximateNow());
@@ skipping 65 matching lines @@
   // send it to the time wait manager in OnUnathenticatedHeader.
   return true;
 }
 
 void QuicDispatcher::SetLastError(QuicErrorCode error) {
   last_error_ = error;
 }
 
 }  // namespace tools
 }  // namespace net