lazilyInitializeEmptyNodeList 82 Source/core/dom/MutationRecord.cpp virtual NodeList* addedNodes() OVERRIDE { return lazilyInitializeEmptyNodeList(m_addedNodes); } lazilyInitializeEmptyNodeList 83 Source/core/dom/MutationRecord.cpp virtual NodeList* removedNodes() OVERRIDE { return lazilyInitializeEmptyNodeList(m_removedNodes); }