Rename components's Encryptor to OSEncrypt.

components/sync_driver/system_encryptor.cc

 // Copyright 2014 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 "components/sync_driver/system_encryptor.h"
 
-#include "components/encryptor/encryptor.h"
+#include "components/encryptor/os_crypt.h"
 
 namespace browser_sync {
 
 SystemEncryptor::~SystemEncryptor() {}
 
 bool SystemEncryptor::EncryptString(const std::string& plaintext,
                                     std::string* ciphertext) {
-  return ::Encryptor::EncryptString(plaintext, ciphertext);
+  return ::OSCrypt::EncryptString(plaintext, ciphertext);
 }
 
 bool SystemEncryptor::DecryptString(const std::string& ciphertext,
                                     std::string* plaintext) {
-  return ::Encryptor::DecryptString(ciphertext, plaintext);
+  return ::OSCrypt::DecryptString(ciphertext, plaintext);
 }
 
 }  // namespace browser_sync