rootEditableElement 1201 Source/core/dom/Node.cpp Element* Node::rootEditableElement(EditableType editableType) const rootEditableElement 1211 Source/core/dom/Node.cpp Element* Node::rootEditableElement() const rootEditableElement 727 Source/core/editing/VisibleSelection.cpp Element* VisibleSelection::rootEditableElement() const rootEditableElement 213 Source/web/WebNode.cpp WebElement WebNode::rootEditableElement() const