NoNotCompositedReason  901 Source/core/page/scrolling/ScrollingCoordinator.cpp         if (layer->compositingState() != PaintsIntoOwnBacking && layer->viewportConstrainedNotCompositedReason() == RenderLayer::NoNotCompositedReason)
NoNotCompositedReason  756 Source/core/rendering/RenderLayer.h             , viewportConstrainedNotCompositedReason(NoNotCompositedReason)
NoNotCompositedReason  760 Source/core/rendering/compositing/RenderLayerCompositor.cpp     RenderLayer::ViewportConstrainedNotCompositedReason viewportConstrainedNotCompositedReason = RenderLayer::NoNotCompositedReason;