Added DISALLOW_COPY_AND_ASSIGN to disable copy/assign.

net/quic/test_tools/crypto_test_utils.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.
 
 #ifndef NET_QUIC_TEST_TOOLS_CRYPTO_TEST_UTILS_H_
 #define NET_QUIC_TEST_TOOLS_CRYPTO_TEST_UTILS_H_
 
 #include <stdarg.h>
 
 #include <utility>
@@ skipping 122 matching lines @@
   static CryptoHandshakeMessage BuildMessage(const char* message_tag,
                                              va_list ap);
 
   // ChannelIDSignerForTesting returns a ChannelIDSigner that generates keys
   // deterministically based on the hostname given in the Sign call.
   static ChannelIDSigner* ChannelIDSignerForTesting();
 
  private:
   static void CompareClientAndServerKeys(QuicCryptoClientStream* client,
                                          QuicCryptoServerStream* server);
+
+  DISALLOW_COPY_AND_ASSIGN(CryptoTestUtils);
 };
 
 }  // namespace test
 
 }  // namespace net
 
 #endif  // NET_QUIC_TEST_TOOLS_CRYPTO_TEST_UTILS_H_