Move crypto files out of base, to a top level directory.

crypto/mac_security_services_lock.h

 // Copyright (c) 2011 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 BASE_CRYPTO_MAC_SECURITY_SERVICES_LOCK_H_
-#define BASE_CRYPTO_MAC_SECURITY_SERVICES_LOCK_H_
+#ifndef CRYPTO_MAC_SECURITY_SERVICES_LOCK_H_
+#define CRYPTO_MAC_SECURITY_SERVICES_LOCK_H_
 #pragma once
 
-namespace base {
+namespace crypto {
 
 class Lock;
 
 // The Mac OS X certificate and key management wrappers over CSSM are not
 // thread-safe. In particular, code that accesses the CSSM database is
 // problematic.
 //
 // http://developer.apple.com/mac/library/documentation/Security/Reference/certifkeytrustservices/Reference/reference.html
 Lock& GetMacSecurityServicesLock();
 
-}  // namespace base
+}  // namespace crypto
 
-#endif  // BASE_CRYPTO_MAC_SECURITY_SERVICES_LOCK_H_
+#endif  // CRYPTO_MAC_SECURITY_SERVICES_LOCK_H_