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

chrome/browser/bookmarks/bookmark_extension_helpers.h

 // Copyright (c) 2011 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_HELPERS_H_
 #define CHROME_BROWSER_BOOKMARKS_BOOKMARK_EXTENSION_HELPERS_H_
-#pragma once
 
 #include <string>
 
 #include "base/basictypes.h"
 
 class BookmarkModel;
 class BookmarkNode;
 
 namespace base {
 class DictionaryValue;
@@ skipping 16 matching lines @@
                         bool recurse);
 
 bool RemoveNode(BookmarkModel* model,
                 int64 id,
                 bool recursive,
                 std::string* error);
 
 }  // namespace bookmark_extension_helpers
 
 #endif  // CHROME_BROWSER_BOOKMARKS_BOOKMARK_EXTENSION_HELPERS_H_