InDocumentFlag    826 Source/core/dom/Element.h         setFlag(InDocumentFlag);
InDocumentFlag    838 Source/core/dom/Element.h         clearFlag(InDocumentFlag);
InDocumentFlag    467 Source/core/dom/Node.h         return getFlag(InDocumentFlag);
InDocumentFlag    470 Source/core/dom/Node.h     bool isInTreeScope() const { return getFlag(static_cast<NodeFlags>(InDocumentFlag | IsInShadowTreeFlag)); }
InDocumentFlag    741 Source/core/dom/Node.h         CreateDocument = CreateContainer | InDocumentFlag,