NeedsFullRepaintForPositionedMovementLayout 143 Source/core/rendering/RenderLayerRepainter.cpp if (m_repaintStatus != NeedsFullRepaintForPositionedMovementLayout) NeedsFullRepaintForPositionedMovementLayout 748 Source/core/rendering/RenderObject.cpp toRenderLayerModelObject(this)->layer()->repainter().setRepaintStatus(NeedsFullRepaintForPositionedMovementLayout);