Remove #pragma once from chrome/browser/sync

chrome/browser/sync/profile_sync_test_util.h

 // Copyright (c) 2012 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_PROFILE_SYNC_TEST_UTIL_H_
 #define CHROME_BROWSER_SYNC_PROFILE_SYNC_TEST_UTIL_H_
-#pragma once
 
 #include <string>
 
 #include "base/memory/ref_counted.h"
 #include "base/message_loop.h"
 #include "base/synchronization/waitable_event.h"
 #include "chrome/browser/sync/profile_sync_service_observer.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/notification_source.h"
@@ skipping 41 matching lines @@
 
   void NotifyTask(int type,
                   const content::NotificationSource& source,
                   const content::NotificationDetails& details);
 
   base::WaitableEvent done_event_;
   base::Thread* notify_thread_;
 };
 
 #endif  // CHROME_BROWSER_SYNC_PROFILE_SYNC_TEST_UTIL_H_