Update from https://crrev.com/304418

net/quic/quic_packet_creator.h

 // 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.
 //
 // Accumulates frames for the next packet until more frames no longer fit or
 // it's time to create a packet from them.  Also provides packet creation of
 // FEC packets based on previously created packets.
 
 #ifndef NET_QUIC_QUIC_PACKET_CREATOR_H_
 #define NET_QUIC_QUIC_PACKET_CREATOR_H_
@@ skipping 194 matching lines @@
   }
 
   QuicSequenceNumberLength next_sequence_number_length() const {
     return next_sequence_number_length_;
   }
 
   void set_next_sequence_number_length(QuicSequenceNumberLength length) {
     next_sequence_number_length_ = length;
   }
 
-  size_t max_packet_length() const {
+  QuicByteCount max_packet_length() const {
     return max_packet_length_;
   }
 
-  void set_max_packet_length(size_t length) {
+  void set_max_packet_length(QuicByteCount length) {
     // |max_packet_length_| should not be changed mid-packet or mid-FEC group.
     DCHECK(fec_group_.get() == nullptr && queued_frames_.empty());
     max_packet_length_ = length;
   }
 
   // Returns current max number of packets covered by an FEC group.
   size_t max_packets_per_fec_group() const {
       return max_packets_per_fec_group_;
   }
 
@@ skipping 35 matching lines @@
   scoped_ptr<QuicRandomBoolSource> random_bool_source_;
   QuicPacketSequenceNumber sequence_number_;
   // If true, any created packets will be FEC protected.
   bool should_fec_protect_;
   QuicFecGroupNumber fec_group_number_;
   scoped_ptr<QuicFecGroup> fec_group_;
   // Controls whether protocol version should be included while serializing the
   // packet.
   bool send_version_in_packet_;
   // Maximum length including headers and encryption (UDP payload length.)
-  size_t max_packet_length_;
+  QuicByteCount max_packet_length_;
   // 0 indicates FEC is disabled.
   size_t max_packets_per_fec_group_;
   // Length of connection_id to send over the wire.
   QuicConnectionIdLength connection_id_length_;
   // Staging variable to hold next packet sequence number length. When sequence
   // number length is to be changed, this variable holds the new length until
   // a packet or FEC group boundary, when the creator's sequence_number_length_
   // can be changed to this new value.
   QuicSequenceNumberLength next_sequence_number_length_;
   // Sequence number length for the current packet and for the current FEC group
   // when FEC is enabled. Mutable so PacketSize() can adjust it when the packet
   // is empty.
   mutable QuicSequenceNumberLength sequence_number_length_;
   // packet_size_ is mutable because it's just a cache of the current size.
   // packet_size should never be read directly, use PacketSize() instead.
   mutable size_t packet_size_;
   QuicFrames queued_frames_;
   scoped_ptr<RetransmittableFrames> queued_retransmittable_frames_;
 
   DISALLOW_COPY_AND_ASSIGN(QuicPacketCreator);
 };
 
 }  // namespace net
 
 #endif  // NET_QUIC_QUIC_PACKET_CREATOR_H_