StandardNames     983 Source/core/dom/Document.h     ScriptValue registerElement(WebCore::NewScriptState*, const AtomicString& name, const Dictionary& options, ExceptionState&, CustomElement::NameSet validNames = CustomElement::StandardNames);
StandardNames      67 Source/core/dom/custom/CustomElement.cpp     if ((validNames & StandardNames) && kNotFound != name.find('-')) {
StandardNames      54 Source/core/dom/custom/CustomElement.h         AllNames = EmbedderNames | StandardNames