createCustomTagElement  731 Source/core/dom/Document.cpp         element = registrationContext()->createCustomTagElement(*this, QualifiedName(nullAtom, localName, xhtmlNamespaceURI));
createCustomTagElement  776 Source/core/dom/Document.cpp         element = registrationContext()->createCustomTagElement(*this, qName);
createCustomTagElement   60 Source/core/dom/custom/CustomElementRegistrationContext.h     PassRefPtr<Element> createCustomTagElement(Document&, const QualifiedName&);