Make DiversificationNonce a std::array

net/quic/core/quic_protocol.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/core/quic_protocol.h"
 
 #include "base/stl_util.h"
 #include "base/strings/string_number_conversions.h"
 #include "net/quic/core/quic_flags.h"
 #include "net/quic/core/quic_utils.h"
@@ skipping 293 matching lines @@
      << ", version_flag: " << header.public_header.version_flag;
   if (header.public_header.version_flag) {
     os << ", version:";
     for (size_t i = 0; i < header.public_header.versions.size(); ++i) {
       os << " ";
       os << QuicVersionToString(header.public_header.versions[i]);
     }
   }
   if (header.public_header.nonce != nullptr) {
     os << ", diversification_nonce: "
-       << net::QuicUtils::HexDecode(*header.public_header.nonce);
+       << QuicUtils::HexEncode(StringPiece(header.public_header.nonce->data(),
+                                           header.public_header.nonce->size()));
   }
   os << ", fec_flag: " << header.fec_flag
      << ", entropy_flag: " << header.entropy_flag
      << ", entropy hash: " << static_cast<int>(header.entropy_hash)
      << ", path_id: " << static_cast<int>(header.path_id)
      << ", packet_number: " << header.packet_number << " }\n";
   return os;
 }
 
 bool IsAwaitingPacket(const QuicAckFrame& ack_frame,
@@ skipping 549 matching lines @@
       is_unackable(false),
       has_crypto_handshake(has_crypto_handshake),
       num_padding_bytes(num_padding_bytes),
       retransmission(0) {}
 
 TransmissionInfo::TransmissionInfo(const TransmissionInfo& other) = default;
 
 TransmissionInfo::~TransmissionInfo() {}
 
 }  // namespace net