Move crypto_helpers from sync to base

chrome/browser/sync/util/user_settings_win.cc

-// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// 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 "chrome/browser/sync/util/user_settings.h"
 
 #include <string>
 
 #include "base/logging.h"
-#include "chrome/browser/sync/util/crypto_helpers.h"
 #include "chrome/browser/sync/util/data_encryption.h"
 #include "chrome/common/sqlite_utils.h"
 
 using std::string;
 
 namespace browser_sync {
 
 void UserSettings::SetAuthTokenForService(const string& email,
     const string& service_name, const string& long_lived_service_token) {
   ScopedDBHandle dbhandle(this);
@@ skipping 28 matching lines @@
     std::vector<uint8> encrypted_service_token;
     query.column_blob_as_vector(1, &encrypted_service_token);
     DecryptData(encrypted_service_token, service_token);
     return true;
   }
 
   return false;
 }
 
 }  // namespace browser_sync