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

chrome/browser/bookmarks/bookmark_extension_api.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_BOOKMARKS_BOOKMARK_EXTENSION_API_H_
 #define CHROME_BROWSER_BOOKMARKS_BOOKMARK_EXTENSION_API_H_
-#pragma once
 
 #include <list>
 #include <string>
 #include <vector>
 
 #include "base/compiler_specific.h"
 #include "base/memory/ref_counted.h"
 #include "chrome/browser/bookmarks/bookmark_model_observer.h"
 #include "chrome/browser/extensions/extension_function.h"
 #include "chrome/browser/ui/select_file_dialog.h"
@@ skipping 271 matching lines @@
       OVERRIDE;
 
  private:
   virtual ~ExportBookmarksFunction() {}
 
   // ExtensionFunction:
   virtual bool RunImpl() OVERRIDE;
 };
 
 #endif  // CHROME_BROWSER_BOOKMARKS_BOOKMARK_EXTENSION_API_H_