net: extract net/cert out of net/base

net/cert/x509_util_mac.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_BASE_X509_UTIL_MAC_H_
-#define NET_BASE_X509_UTIL_MAC_H_
+#ifndef NET_CERT_X509_UTIL_MAC_H_
+#define NET_CERT_X509_UTIL_MAC_H_
 
 #include <CoreFoundation/CFArray.h>
 #include <Security/Security.h>
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "net/base/net_export.h"
 
 namespace net {
@@ skipping 112 matching lines @@
 
  private:
   CSSM_CL_HANDLE cl_handle_;
   CSSM_HANDLE cached_cert_handle_;
 };
 
 }  // namespace x509_util
 
 }  // namespace net
 
-#endif  // NET_BASE_X509_UTIL_MAC_H_
+#endif  // NET_CERT_X509_UTIL_MAC_H_