Make DiversificationNonce a std::array

net/quic/core/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. If multipath enabled, only creates
 // packets on one path at the same time. Currently, next packet number is
 // tracked per-path.
 
 #ifndef NET_QUIC_QUIC_PACKET_CREATOR_H_
@@ skipping 51 matching lines @@
                     DelegateInterface* delegate);
 
   ~QuicPacketCreator();
 
   // Makes the framer not serialize the protocol version in sent packets.
   void StopSendingVersion();
 
   // SetDiversificationNonce sets the nonce that will be sent in each public
   // header of packets encrypted at the initial encryption level. Should only
   // be called by servers.
-  void SetDiversificationNonce(const DiversificationNonce nonce);
+  void SetDiversificationNonce(const DiversificationNonce& nonce);
 
   // Update the packet number length to use in future packets as soon as it
   // can be safely changed.
   // TODO(fayang): Directly set packet number length instead of compute it in
   // creator.
   void UpdatePacketNumberLength(QuicPacketNumber least_packet_awaited_by_peer,
                                 QuicPacketCount max_packets_in_flight);
 
   // The overhead the framing will add for a packet with one frame.
   static size_t StreamFramePacketOverhead(
@@ skipping 260 matching lines @@
 
   // Map mapping path_id to last sent packet number on the path.
   std::unordered_map<QuicPathId, QuicPacketNumber> multipath_packet_number_;
 
   DISALLOW_COPY_AND_ASSIGN(QuicPacketCreator);
 };
 
 }  // namespace net
 
 #endif  // NET_QUIC_QUIC_PACKET_CREATOR_H_