relnote: Allow individual QUIC writers to limit the maximum packet size.

net/tools/quic/quic_default_packet_writer.cc

 // Copyright 2013 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_default_packet_writer.h"
 
 #include "net/tools/quic/quic_socket_utils.h"
 
 namespace net {
 namespace tools {
@@ skipping 23 matching lines @@
 }
 
 bool QuicDefaultPacketWriter::IsWriteBlocked() const {
   return write_blocked_;
 }
 
 void QuicDefaultPacketWriter::SetWritable() {
   write_blocked_ = false;
 }
 
+QuicByteCount QuicDefaultPacketWriter::GetMaxPacketSize(
+    const IPEndPoint& peer_address) const {
+  return kMaxPacketSize;
+}
+
 }  // namespace tools
 }  // namespace net