markUndoableState 1340 Source/core/inspector/InspectorDOMAgent.cpp m_history->markUndoableState(); markUndoableState 148 Source/core/inspector/InspectorDOMAgent.h virtual void markUndoableState(ErrorString*) OVERRIDE; markUndoableState 68 Source/core/inspector/InspectorHistory.h void markUndoableState();