Remove #pragma once from chrome/browser/sync

chrome/browser/sync/sync_ui_util_mac.h

 // 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.
 
 #ifndef CHROME_BROWSER_SYNC_SYNC_UI_UTIL_MAC_H_
 #define CHROME_BROWSER_SYNC_SYNC_UI_UTIL_MAC_H_
-#pragma once
 
 #include <string>
 
 #include "chrome/browser/sync/sync_ui_util.h"
 
 #import <Cocoa/Cocoa.h>
 
 class Profile;
 
 namespace sync_ui_util {
 
 // Updates a bookmark sync UI item (expected to be a menu item). This is
 // called every time a menu containing a sync UI item is displayed.
 void UpdateSyncItem(id syncItem, BOOL syncEnabled, Profile* profile);
 
 // This function (used by UpdateSyncItem) is only exposed for testing.
 // Just use UpdateSyncItem() instead.
 void UpdateSyncItemForStatus(id syncItem, BOOL syncEnabled,
                              sync_ui_util::MessageType status,
                              const std::string& userName);
 
 }  // namespace sync_ui_util
 
 #endif  // CHROME_BROWSER_SYNC_SYNC_UI_UTIL_MAC_H_