InlinedVisitor: Migrate xml to use inlined tracing

Source/core/xml/DocumentXPathEvaluator.h

 /*
  * Copyright (C) 2013, Google Inc. All rights reserved.
  *
  * 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 30 matching lines @@
 public:
     static DocumentXPathEvaluator& from(DocumentSupplementable&);
 
     static PassRefPtrWillBeRawPtr<XPathExpression> createExpression(DocumentSupplementable&,
         const String& expression, PassRefPtrWillBeRawPtr<XPathNSResolver>, ExceptionState&);
     static PassRefPtrWillBeRawPtr<XPathNSResolver> createNSResolver(DocumentSupplementable&, Node* nodeResolver);
     static PassRefPtrWillBeRawPtr<XPathResult> evaluate(DocumentSupplementable&,
         const String& expression, Node* contextNode, PassRefPtrWillBeRawPtr<XPathNSResolver>,
         unsigned short type, XPathResult*, ExceptionState&);
 
-    virtual void trace(Visitor*) override;
+    DECLARE_VIRTUAL_TRACE();
 
 private:
     DocumentXPathEvaluator();
 
     static const char* supplementName() { return "DocumentXPathEvaluator"; }
 
     RefPtrWillBeMember<XPathEvaluator> m_xpathEvaluator;
 };
 
 } // namespace blink
 
 #endif // DocumentXPathEvaluator_h