relnote: Moving many QUIC DFATALS over to QUIC_BUG

net/quic/quic_flow_controller.cc

 // Copyright 2014 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_flow_controller.h"
 
 #include "base/strings/stringprintf.h"
+#include "net/quic/quic_bug_tracker.h"
 #include "net/quic/quic_connection.h"
 #include "net/quic/quic_flags.h"
 #include "net/quic/quic_protocol.h"
 
 namespace net {
 
 #define ENDPOINT \
   (perspective_ == Perspective::IS_SERVER ? "Server: " : "Client: ")
 
 QuicFlowController::QuicFlowController(QuicConnection* connection,
@@ skipping 220 matching lines @@
   if (bytes_sent_ > send_window_offset_) {
     return 0;
   }
   return send_window_offset_ - bytes_sent_;
 }
 
 void QuicFlowController::UpdateReceiveWindowSize(QuicStreamOffset size) {
   DVLOG(1) << ENDPOINT << "UpdateReceiveWindowSize for stream " << id_ << ": "
            << size;
   if (receive_window_size_ != receive_window_offset_) {
-    LOG(DFATAL) << "receive_window_size_:" << receive_window_size_
-                << " != receive_window_offset:" << receive_window_offset_;
+    QUIC_BUG << "receive_window_size_:" << receive_window_size_
+             << " != receive_window_offset:" << receive_window_offset_;
     return;
   }
   receive_window_size_ = size;
   receive_window_offset_ = size;
 }
 
 }  // namespace net