InlinedVisitor: Migrate xml to use inlined tracing

Source/core/xml/XPathValue.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 XPath {
 
 struct EvaluationContext;
 
 class ValueData : public RefCountedWillBeGarbageCollectedFinalized<ValueData> {
 public:
     static PassRefPtrWillBeRawPtr<ValueData> create() { return adoptRefWillBeNoop(new ValueData); }
     static PassRefPtrWillBeRawPtr<ValueData> create(const NodeSet& nodeSet) { return adoptRefWillBeNoop(new ValueData(nodeSet)); }
     static PassRefPtrWillBeRawPtr<ValueData> create(PassOwnPtrWillBeRawPtr<NodeSet> nodeSet) { return adoptRefWillBeNoop(new ValueData(nodeSet)); }
     static PassRefPtrWillBeRawPtr<ValueData> create(const String& string) { return adoptRefWillBeNoop(new ValueData(string)); }
-    void trace(Visitor*);
+    DECLARE_TRACE();
     NodeSet& nodeSet() { return *m_nodeSet; }
 
     String m_string;
 
 private:
     ValueData() : m_nodeSet(NodeSet::create()) { }
     explicit ValueData(const NodeSet& nodeSet) : m_nodeSet(NodeSet::create(nodeSet)) { }
     explicit ValueData(PassOwnPtrWillBeRawPtr<NodeSet> nodeSet) : m_nodeSet(nodeSet) { }
     explicit ValueData(const String& string) : m_string(string), m_nodeSet(NodeSet::create()) { }
 
     OwnPtrWillBeMember<NodeSet> m_nodeSet;
 };
 
 // Copying Value objects makes their data partially shared, so care has to be taken when dealing with copies.
 class Value {
     DISALLOW_ALLOCATION();
 public:
     enum Type { NodeSetValue, BooleanValue, NumberValue, StringValue };
 
     Value(unsigned value) : m_type(NumberValue), m_bool(false), m_number(value) { }
     Value(unsigned long value) : m_type(NumberValue), m_bool(false), m_number(value) { }
     Value(double value) : m_type(NumberValue), m_bool(false), m_number(value) { }
 
     Value(const char* value) : m_type(StringValue), m_bool(false), m_number(0), m_data(ValueData::create(value)) { }
     Value(const String& value) : m_type(StringValue), m_bool(false), m_number(0), m_data(ValueData::create(value)) { }
     Value(const NodeSet& value) : m_type(NodeSetValue), m_bool(false), m_number(0), m_data(ValueData::create(value)) { }
     Value(Node* value) : m_type(NodeSetValue), m_bool(false), m_number(0), m_data(ValueData::create()) { m_data->nodeSet().append(value); }
-    void trace(Visitor*);
+    DECLARE_TRACE();
 
     // This is needed to safely implement constructing from bool - with normal
     // function overloading, any pointer type would match.
     template<typename T> Value(T);
 
     static const struct AdoptTag { } adopt;
     Value(PassOwnPtrWillBeRawPtr<NodeSet> value, const AdoptTag&) : m_type(NodeSetValue), m_bool(false), m_number(0),  m_data(ValueData::create(value)) { }
 
     Type type() const { return m_type; }
 
@@ skipping 22 matching lines @@
     : m_type(BooleanValue)
     , m_bool(value)
     , m_number(0)
 {
 }
 
 }
 
 }
 #endif // XPathValue_h