Extract LayoutTableSection::CellStruct to a standalone class TableGridCell

third_party/WebKit/Source/core/paint/TableSectionPainter.cpp

Index: third_party/WebKit/Source/core/paint/TableSectionPainter.cpp
diff --git a/third_party/WebKit/Source/core/paint/TableSectionPainter.cpp b/third_party/WebKit/Source/core/paint/TableSectionPainter.cpp
index 9448fff2169c44ad131092019088dc382bb9d14d..a2ae1a772a09b8625f14e5e8e2926f7fb5e86ab4 100644
--- a/third_party/WebKit/Source/core/paint/TableSectionPainter.cpp
+++ b/third_party/WebKit/Source/core/paint/TableSectionPainter.cpp
@@ -277,8 +277,8 @@ void TableSectionPainter::PaintObject(const PaintInfo& paint_info,
       unsigned n_cols = layout_table_section_.NumCols(r);
       for (unsigned c = dirtied_columns.Start();
            c < n_cols && c < dirtied_columns.end(); c++) {
-        const auto& cell_struct = layout_table_section_.CellAt(r, c);
-        for (const auto* cell : cell_struct.cells) {
+        for (const auto* cell :
+             layout_table_section_.GridCellAt(r, c).Cells()) {
           if (overflowing_cells.Contains(cell))
             continue;
           if (cell->RowSpan() > 1 || cell->ColSpan() > 1) {