Fix table cell background painting

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 77fda1696be1d5ad4fe7402832bce88453184cb2..cfc8efc4698928769b375eb3294eba11cb9d5290 100644
--- a/third_party/WebKit/Source/core/paint/TableSectionPainter.cpp
+++ b/third_party/WebKit/Source/core/paint/TableSectionPainter.cpp
@@ -196,20 +196,20 @@ void TableSectionPainter::paintCell(const LayoutTableCell& cell, PaintPhase orig
         // Note that we deliberately ignore whether or not the cell has a layer, since these backgrounds paint "behind" the
         // cell.
         if (columnGroup && columnGroup->hasBackground())
-            tableCellPainter.paintBackgroundsBehindCell(paintInfoForCells, cellPoint, columnGroup, DisplayItem::TableCellBackgroundFromColumnGroup);
+            tableCellPainter.paintBackgroundsBehindCell(paintInfoForCells, cellPoint, *columnGroup, DisplayItem::TableCellBackgroundFromColumnGroup);
         if (column && column->hasBackground())
-            tableCellPainter.paintBackgroundsBehindCell(paintInfoForCells, cellPoint, column, DisplayItem::TableCellBackgroundFromColumn);
+            tableCellPainter.paintBackgroundsBehindCell(paintInfoForCells, cellPoint, *column, DisplayItem::TableCellBackgroundFromColumn);
 
         // Paint the row group next.
         if (m_layoutTableSection.hasBackground())
-            tableCellPainter.paintBackgroundsBehindCell(paintInfoForCells, cellPoint, &m_layoutTableSection, DisplayItem::TableCellBackgroundFromSection);
+            tableCellPainter.paintBackgroundsBehindCell(paintInfoForCells, cellPoint, m_layoutTableSection, DisplayItem::TableCellBackgroundFromSection);
     }
 
     if (shouldPaintDescendantBlockBackgrounds(originalPaintPhase)) {
         // Paint the row next, but only if it doesn't have a layer. If a row has a layer, it will be responsible for
         // painting the row background for the cell.
         if (row->hasBackground() && !row->hasSelfPaintingLayer())
-            TableCellPainter(cell).paintBackgroundsBehindCell(paintInfoForCells, cellPoint, row, DisplayItem::TableCellBackgroundFromRow);
+            TableCellPainter(cell).paintBackgroundsBehindCell(paintInfoForCells, cellPoint, *row, DisplayItem::TableCellBackgroundFromRow);
     }
 
     if (originalPaintPhase != PaintPhaseSelfBlockBackgroundOnly && !cell.hasSelfPaintingLayer() && !row->hasSelfPaintingLayer())