Oilpan: Remove GC_INFO_{DEFINE,DECLARE} macros

Source/core/xml/XPathEvaluator.h

 /*
  * Copyright 2005 Frerich Raabe <raabe@kde.org>
  * Copyright (C) 2006 Apple Computer, 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.
@@ skipping 24 matching lines @@
 
 namespace WebCore {
 
 class ExceptionState;
 class Node;
 class XPathExpression;
 class XPathNSResolver;
 class XPathResult;
 
 class XPathEvaluator : public RefCountedWillBeGarbageCollectedFinalized<XPathEvaluator>, public ScriptWrappable {
-    DECLARE_GC_INFO;
 public:
     static PassRefPtrWillBeRawPtr<XPathEvaluator> create()
     {
         return adoptRefWillBeNoop(new XPathEvaluator);
     }
 
     PassRefPtrWillBeRawPtr<XPathExpression> createExpression(const String& expression, PassRefPtrWillBeRawPtr<XPathNSResolver>, ExceptionState&);
     PassRefPtrWillBeRawPtr<XPathNSResolver> createNSResolver(Node* nodeResolver);
     PassRefPtrWillBeRawPtr<XPathResult> evaluate(const String& expression, Node* contextNode,
         PassRefPtrWillBeRawPtr<XPathNSResolver>, unsigned short type, XPathResult*, ExceptionState&);
 
     void trace(Visitor*) { }
 
 private:
     XPathEvaluator()
     {
         ScriptWrappable::init(this);
     }
 };
 
 }
 
 #endif // XPathEvaluator_h