Update from chromium https://crrev.com/302282

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 182 matching lines @@
   }
 
   void set_sequence_number(QuicPacketSequenceNumber s) {
     sequence_number_ = s;
   }
 
   QuicConnectionIdLength connection_id_length() const {
     return connection_id_length_;
   }
 
+  void set_connection_id_length(QuicConnectionIdLength length) {
+    connection_id_length_ = length;
+  }
+
   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 {
     return max_packet_length_;
@@ skipping 74 matching lines @@
   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_