AttributeFilter    95 Source/core/dom/MutationObserver.cpp         options |= AttributeFilter;
AttributeFilter   125 Source/core/dom/MutationObserver.cpp         if (options & AttributeFilter) {
AttributeFilter   115 Source/core/dom/MutationObserverRegistration.cpp     if (type != MutationObserver::Attributes || !(m_options & MutationObserver::AttributeFilter))