Update from https://crrev.com/302630

net/quic/quic_packet_generator.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_packet_generator.h"
 
 #include "base/basictypes.h"
 #include "base/logging.h"
 #include "net/quic/quic_fec_group.h"
 #include "net/quic/quic_utils.h"
@@ skipping 66 matching lines @@
         break;
       case PING_FRAME:
         delete it->ping_frame;
         break;
       case NUM_FRAME_TYPES:
         DCHECK(false) << "Cannot delete type: " << it->type;
     }
   }
 }
 
-// NetworkChangeVisitor method.
 void QuicPacketGenerator::OnCongestionWindowChange(
     QuicByteCount congestion_window) {
   packet_creator_.set_max_packets_per_fec_group(
       static_cast<size_t>(kCongestionWindowMultiplierForFecGroupSize *
                           congestion_window / kDefaultTCPMSS));
 }
 
 void QuicPacketGenerator::SetShouldSendAck(bool also_send_feedback,
                                            bool also_send_stop_waiting) {
   should_send_ack_ = true;
@@ skipping 297 matching lines @@
     packet_creator_.set_connection_id_length(PACKET_8BYTE_CONNECTION_ID);
   }
 }
 
 
 void QuicPacketGenerator::set_encryption_level(EncryptionLevel level) {
   packet_creator_.set_encryption_level(level);
 }
 
 }  // namespace net