spannedColumns   1326 Source/core/rendering/RenderTableSection.cpp     CellSpan coveredColumns = spannedColumns(damageRect);
spannedColumns   1666 Source/core/rendering/RenderTableSection.cpp     CellSpan columnSpan = spannedColumns(tableAlignedRect);
spannedColumns    278 Source/core/rendering/RenderTableSection.h     CellSpan spannedColumns(const LayoutRect& flippedRect) const;