IteratorReferenceType  848 Source/platform/heap/Handle.h     typedef WebCore::Member<T>& IteratorReferenceType;
IteratorReferenceType  875 Source/platform/heap/Handle.h     typedef WebCore::WeakMember<T>& IteratorReferenceType;
IteratorReferenceType   87 Source/wtf/HashTraits.h         typedef T& IteratorReferenceType;
IteratorReferenceType  169 Source/wtf/HashTraits.h         typedef RefPtr<P>& IteratorReferenceType;
IteratorReferenceType  198 Source/wtf/HashTraits.h         typedef RawPtr<T>& IteratorReferenceType;