CustomElementState 2487 Source/core/dom/Node.cpp void Node::setCustomElementState(CustomElementState newState)
CustomElementState 2489 Source/core/dom/Node.cpp     CustomElementState oldState = customElementState();
CustomElementState  229 Source/core/dom/Node.h     CustomElementState customElementState() const
CustomElementState  235 Source/core/dom/Node.h     void setCustomElementState(CustomElementState newState);