InlinedVisitor: Migrate xml to use inlined tracing

Source/core/xml/XSLStyleSheetLibxslt.cpp

 /*
  * This file is part of the XSL implementation.
  *
  * Copyright (C) 2004, 2005, 2006, 2008, 2012 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.
  *
@@ skipping 306 matching lines @@
 }
 
 void XSLStyleSheet::markAsProcessed()
 {
     ASSERT(!m_processed);
     ASSERT(!m_stylesheetDocTaken);
     m_processed = true;
     m_stylesheetDocTaken = true;
 }
 
-void XSLStyleSheet::trace(Visitor* visitor)
+DEFINE_TRACE(XSLStyleSheet)
 {
     visitor->trace(m_ownerNode);
     visitor->trace(m_children);
     visitor->trace(m_parentStyleSheet);
     visitor->trace(m_ownerDocument);
     StyleSheet::trace(visitor);
 }
 
 } // namespace blink