NodeFilter acceptNode return type changed to unsigned

Source/core/dom/NodeFilter.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2000 Frederik Holljen (frederik.holljen@hig.no)
  * Copyright (C) 2001 Peter Kelly (pmk@post.com)
  * Copyright (C) 2006 Samuel Weinig (sam.weinig@gmail.com)
  * Copyright (C) 2004, 2008 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  *
  */
 
 #include "config.h"
 #include "core/dom/NodeFilter.h"
 
 namespace blink {
 
-short NodeFilter::acceptNode(Node* node, ExceptionState& exceptionState) const
+unsigned NodeFilter::acceptNode(Node* node, ExceptionState& exceptionState) const
 {
-    // cast to short silences "enumeral and non-enumeral types in return" warning
-    return m_condition ? m_condition->acceptNode(node, exceptionState) : static_cast<short>(FILTER_ACCEPT);
+    return m_condition ? m_condition->acceptNode(node, exceptionState) : FILTER_ACCEPT;
 }
 
 DEFINE_TRACE(NodeFilter)
 {
     visitor->trace(m_condition);
 }
 
 } // namespace blink