linkAttribute      51 Source/core/dom/VisitedLinkState.cpp     ASSERT(attribute.isNull() || linkAttribute(element) == attribute);
linkAttribute      54 Source/core/dom/VisitedLinkState.cpp     return visitedLinkHash(element.document().baseURL(), attribute.isNull() ? linkAttribute(element) : attribute);
linkAttribute      88 Source/core/dom/VisitedLinkState.cpp     const AtomicString& attribute = linkAttribute(element);