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

crypto/mac_security_services_lock.cc

 // 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.
 
 #include "base/crypto/mac_security_services_lock.h"
 
 #include "base/memory/singleton.h"
 #include "base/synchronization/lock.h"
 
 namespace {
@@ skipping 15 matching lines @@
   SecurityServicesSingleton() {}
   ~SecurityServicesSingleton() {}
 
   base::Lock lock_;
 
   DISALLOW_COPY_AND_ASSIGN(SecurityServicesSingleton);
 };
 
 }  // namespace
 
-namespace base {
+namespace crypto {
 
 base::Lock& GetMacSecurityServicesLock() {
   return SecurityServicesSingleton::GetInstance()->lock();
 }
 
-}  // namespace base
+}  // namespace crypto