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

chrome/browser/prefs/value_map_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_VALUE_MAP_PREF_STORE_H_
 #define CHROME_BROWSER_PREFS_VALUE_MAP_PREF_STORE_H_
-#pragma once
 
 #include <map>
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/observer_list.h"
 #include "chrome/browser/prefs/pref_value_map.h"
 #include "chrome/common/pref_store.h"
 
 // A basic PrefStore implementation that uses a simple name-value map for
@@ skipping 33 matching lines @@
 
  private:
   PrefValueMap prefs_;
 
   ObserverList<PrefStore::Observer, true> observers_;
 
   DISALLOW_COPY_AND_ASSIGN(ValueMapPrefStore);
 };
 
 #endif  // CHROME_BROWSER_PREFS_VALUE_MAP_PREF_STORE_H_