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

chrome/browser/prefs/incognito_mode_prefs.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_INCOGNITO_MODE_PREFS_H_
 #define CHROME_BROWSER_PREFS_INCOGNITO_MODE_PREFS_H_
-#pragma once
 
 #include "base/basictypes.h"
 
 class CommandLine;
 class PrefService;
 
 // Specifies Incognito mode availability preferences.
 class IncognitoModePrefs {
  public:
   // Possible values for Incognito mode availability. Please, do not change
@@ skipping 31 matching lines @@
 
   // Returns true if the browser should start in incognito mode.
   static bool ShouldLaunchIncognito(const CommandLine& command_line,
                                     const PrefService* prefs);
 
  private:
   DISALLOW_IMPLICIT_CONSTRUCTORS(IncognitoModePrefs);
 };
 
 #endif  // CHROME_BROWSER_PREFS_INCOGNITO_MODE_PREFS_H_