InlinedVisitor: Migrate html to use inlined tracing

Source/core/html/HTMLCollection.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2011, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2014 Samsung Electronics. 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.
@@ skipping 47 matching lines @@
     bool hasExactlyOneItem() const { return m_collectionItemsCache.hasExactlyOneNode(*this); }
     bool elementMatches(const Element&) const;
 
     // CollectionIndexCache API.
     bool canTraverseBackward() const { return !overridesItemAfter(); }
     Element* traverseToFirst() const;
     Element* traverseToLast() const;
     Element* traverseForwardToOffset(unsigned offset, Element& currentElement, unsigned& currentOffset) const;
     Element* traverseBackwardToOffset(unsigned offset, Element& currentElement, unsigned& currentOffset) const;
 
-    virtual void trace(Visitor*);
+    DECLARE_VIRTUAL_TRACE();
 
 protected:
     HTMLCollection(ContainerNode& base, CollectionType, ItemAfterOverrideType);
 
     class NamedItemCache final : public NoBaseWillBeGarbageCollected<NamedItemCache> {
     public:
         static PassOwnPtrWillBeRawPtr<NamedItemCache> create()
         {
             return adoptPtrWillBeNoop(new NamedItemCache);
         }
 
         WillBeHeapVector<RawPtrWillBeMember<Element>>* getElementsById(const AtomicString& id) const { return m_idCache.get(id.impl()); }
         WillBeHeapVector<RawPtrWillBeMember<Element>>* getElementsByName(const AtomicString& name) const { return m_nameCache.get(name.impl()); }
         void addElementWithId(const AtomicString& id, Element* element) { addElementToMap(m_idCache, id, element); }
         void addElementWithName(const AtomicString& name, Element* element) { addElementToMap(m_nameCache, name, element); }
 
-        void trace(Visitor* visitor)
+        DEFINE_INLINE_TRACE()
         {
 #if ENABLE(OILPAN)
             visitor->trace(m_idCache);
             visitor->trace(m_nameCache);
 #endif
         }
 
     private:
         NamedItemCache();
         typedef WillBeHeapHashMap<StringImpl*, OwnPtrWillBeMember<WillBeHeapVector<RawPtrWillBeMember<Element>>>> StringToElementsMap;
@@ skipping 62 matching lines @@
 {
     if (!attrName || shouldInvalidateTypeOnAttributeChange(invalidationType(), *attrName))
         invalidateCache();
     else if (*attrName == HTMLNames::idAttr || *attrName == HTMLNames::nameAttr)
         invalidateIdNameCacheMaps();
 }
 
 } // namespace blink
 
 #endif // HTMLCollection_h