Send the ClientHello handshake message. Fix a bug in

net/quic/crypto/crypto_utils.h

+// Copyright (c) 2013 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.
+//
+// Some helpers for quic crypto
+
+#ifndef NET_QUIC_CRYPTO_CRYPTO_UTILS_H_
+#define NET_QUIC_CRYPTO_CRYPTO_UTILS_H_
+
+#include <string>
+
+#include "net/base/net_export.h"
+
+namespace net {
+
+class QuicClientCryptoConfig;
+class QuicClock;
+class QuicRandom;
+struct CryptoHandshakeMessage;
+
+class NET_EXPORT_PRIVATE CryptoUtils {
+ public:
+  // Generates the connection nonce.
+  static void GenerateNonce(const QuicClock* clock,
+                            QuicRandom* random_generator,
+                            std::string* nonce);
+
+  static void FillClientHelloMessage(const QuicClientCryptoConfig& config,
+                                     const std::string& nonce,
+                                     CryptoHandshakeMessage* message);
+};
+
+}  // namespace net
+
+#endif  // NET_QUIC_CRYPTO_CRYPTO_UTILS_H_