Remove #pragma once from chrome/browser/{printing,safe_browsing,prefs,bookmarks,autocomplete}

chrome/browser/prefs/overlay_user_pref_store.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_PREFS_OVERLAY_USER_PREF_STORE_H_
 #define CHROME_BROWSER_PREFS_OVERLAY_USER_PREF_STORE_H_
-#pragma once
 
 #include <map>
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/memory/ref_counted.h"
 #include "base/observer_list.h"
 #include "chrome/browser/prefs/pref_value_map.h"
 #include "chrome/common/persistent_pref_store.h"
 
@@ skipping 58 matching lines @@
   ObserverList<PrefStore::Observer, true> observers_;
   PrefValueMap overlay_;
   scoped_refptr<PersistentPrefStore> underlay_;
   NamesMap overlay_to_underlay_names_map_;
   NamesMap underlay_to_overlay_names_map_;
 
   DISALLOW_COPY_AND_ASSIGN(OverlayUserPrefStore);
 };
 
 #endif  // CHROME_BROWSER_PREFS_OVERLAY_USER_PREF_STORE_H_