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

base/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_
-#pragma once
-
-namespace base {
-
-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
-
-#endif  // BASE_CRYPTO_MAC_SECURITY_SERVICES_LOCK_H_