Implement TLS client auth in the OS X OpenSSL port.

net/ssl/openssl_ssl_util.h

 // Copyright 2014 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_SOCKET_OPENSSL_SSL_UTIL_H_
-#define NET_SOCKET_OPENSSL_SSL_UTIL_H_
+#ifndef NET_SSL_OPENSSL_SSL_UTIL_H_
+#define NET_SSL_OPENSSL_SSL_UTIL_H_
 
 namespace crypto {
 class OpenSSLErrStackTracer;
 }
 
 namespace tracked_objects {
 class Location;
 }
 
 namespace net {
@@ skipping 13 matching lines @@
 };
 
 // Converts an OpenSSL error code into a net error code, walking the OpenSSL
 // error stack if needed. Note that |tracer| is not currently used in the
 // implementation, but is passed in anyway as this ensures the caller will clear
 // any residual codes left on the error stack.
 int MapOpenSSLError(int err, const crypto::OpenSSLErrStackTracer& tracer);
 
 }  // namespace net
 
-#endif  // NET_SOCKET_OPENSSL_SSL_UTIL_H_
+#endif  // NET_SSL_OPENSSL_SSL_UTIL_H_