setCustomElementDefinition 1716 Source/core/dom/Element.cpp     ensureElementRareData().setCustomElementDefinition(definition);
setCustomElementDefinition  466 Source/core/dom/Element.h     void setCustomElementDefinition(PassRefPtr<CustomElementDefinition>);
setCustomElementDefinition  122 Source/core/dom/ElementRareData.h     void setCustomElementDefinition(PassRefPtr<CustomElementDefinition> definition) { m_customElementDefinition = definition; }
setCustomElementDefinition  100 Source/core/dom/custom/CustomElement.cpp         element->setCustomElementDefinition(definition);