InlinedVisitor: Migrate html to use inlined tracing

Source/core/html/forms/RadioButtonGroupScope.cpp

 /*
  * Copyright (C) 2007, 2008, 2009 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.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 22 matching lines @@
     static PassOwnPtrWillBeRawPtr<RadioButtonGroup> create();
     bool isEmpty() const { return m_members.isEmpty(); }
     bool isRequired() const { return m_requiredCount; }
     HTMLInputElement* checkedButton() const { return m_checkedButton; }
     void add(HTMLInputElement*);
     void updateCheckedState(HTMLInputElement*);
     void requiredAttributeChanged(HTMLInputElement*);
     void remove(HTMLInputElement*);
     bool contains(HTMLInputElement*) const;
 
-    void trace(Visitor*);
+    DECLARE_TRACE();
 
 private:
     RadioButtonGroup();
     void setNeedsValidityCheckForAllButtons();
     bool isValid() const;
     void setCheckedButton(HTMLInputElement*);
 
     WillBeHeapHashSet<RawPtrWillBeMember<HTMLInputElement>> m_members;
     RawPtrWillBeMember<HTMLInputElement> m_checkedButton;
     size_t m_requiredCount;
@@ skipping 113 matching lines @@
         ASSERT(button->type() == InputTypeNames::radio);
         button->setNeedsValidityCheck();
     }
 }
 
 bool RadioButtonGroup::contains(HTMLInputElement* button) const
 {
     return m_members.contains(button);
 }
 
-void RadioButtonGroup::trace(Visitor* visitor)
+DEFINE_TRACE(RadioButtonGroup)
 {
 #if ENABLE(OILPAN)
     visitor->trace(m_members);
     visitor->trace(m_checkedButton);
 #endif
 }
 
 // ----------------------------------------------------------------
 
 // Explicity define empty constructor and destructor in order to prevent the
@@ skipping 80 matching lines @@
         return;
     group->remove(element);
     if (group->isEmpty()) {
         // We don't remove an empty RadioButtonGroup from m_nameToGroupMap for
         // better performance.
         ASSERT(!group->isRequired());
         ASSERT_WITH_SECURITY_IMPLICATION(!group->checkedButton());
     }
 }
 
-void RadioButtonGroupScope::trace(Visitor* visitor)
+DEFINE_TRACE(RadioButtonGroupScope)
 {
 #if ENABLE(OILPAN)
     visitor->trace(m_nameToGroupMap);
 #endif
 }
 
 } // namespace