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

crypto/encryptor_nss.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/encryptor.h"
 
 #include <cryptohi.h>
 #include <vector>
 
 #include "base/crypto/symmetric_key.h"
 #include "base/logging.h"
 #include "base/nss_util.h"
 
-namespace base {
+namespace crypto {
 
 Encryptor::Encryptor()
     : key_(NULL),
       mode_(CBC) {
   EnsureNSSInit();
 }
 
 Encryptor::~Encryptor() {
 }
 
@@ skipping 90 matching lines @@
                         &digest_len,
                         plaintext_len - op_len);
   if (SECSuccess != rv)
     return false;
 
   plaintext->assign(reinterpret_cast<char *>(&buffer[0]),
                     op_len + digest_len);
   return true;
 }
 
-}  // namespace base
+}  // namespace crypto