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

crypto/rsa_private_key_mac.cc

Index: crypto/rsa_private_key_mac.cc
===================================================================
--- crypto/rsa_private_key_mac.cc	(revision 79901)
+++ crypto/rsa_private_key_mac.cc	(working copy)
@@ -2,15 +2,15 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "base/crypto/rsa_private_key.h"
+#include "crypto/rsa_private_key.h"
 
 #include <list>
 
-#include "base/crypto/cssm_init.h"
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
+#include "crypto/cssm_init.h"
 
-namespace base {
+namespace crypto {
 
 // static
 RSAPrivateKey* RSAPrivateKey::Create(uint16 num_bits) {
@@ -193,4 +193,4 @@
           private_key_info.ExportPublicKeyInfo(output));
 }
 
-}  // namespace base
+}  // namespace crypto