InlinedVisitor: Migrate xml to use inlined tracing

Source/core/xml/DocumentXPathEvaluator.cpp

 /*
  * Copyright (C) 2013 Google, Inc.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 55 matching lines @@
 PassRefPtrWillBeRawPtr<XPathResult> DocumentXPathEvaluator::evaluate(DocumentSupplementable& document, const String& expression,
     Node* contextNode, PassRefPtrWillBeRawPtr<XPathNSResolver> resolver, unsigned short type,
     XPathResult* result, ExceptionState& exceptionState)
 {
     DocumentXPathEvaluator& suplement = from(document);
     if (!suplement.m_xpathEvaluator)
         suplement.m_xpathEvaluator = XPathEvaluator::create();
     return suplement.m_xpathEvaluator->evaluate(expression, contextNode, resolver, type, result, exceptionState);
 }
 
-void DocumentXPathEvaluator::trace(Visitor* visitor)
+DEFINE_TRACE(DocumentXPathEvaluator)
 {
     visitor->trace(m_xpathEvaluator);
     DocumentSupplement::trace(visitor);
 }
 
 } // namespace blink