Paint backgrounds of a table section/row in one display item

third_party/WebKit/Source/core/paint/TableCellPainter.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef TableCellPainter_h
 #define TableCellPainter_h
 
 #include "core/style/CollapsedBorderValue.h"
 #include "platform/graphics/paint/DisplayItem.h"
 #include "wtf/Allocator.h"
@@ skipping 14 matching lines @@
   TableCellPainter(const LayoutTableCell& layoutTableCell)
       : m_layoutTableCell(layoutTableCell) {}
 
   void paint(const PaintInfo&, const LayoutPoint&);
 
   void paintCollapsedBorders(const PaintInfo&,
                              const LayoutPoint&,
                              const CollapsedBorderValue&);
   void paintContainerBackgroundBehindCell(const PaintInfo&,
                                           const LayoutPoint&,
-                                          const LayoutObject& backgroundObject,
-                                          DisplayItem::Type);
+                                          const LayoutObject& backgroundObject);
   void paintBoxDecorationBackground(const PaintInfo&,
                                     const LayoutPoint& paintOffset);
   void paintMask(const PaintInfo&, const LayoutPoint& paintOffset);
 
  private:
   const DisplayItemClient& displayItemClientForBorders() const;
   LayoutRect paintRectNotIncludingVisualOverflow(
       const LayoutPoint& paintOffset);
   void paintBackground(const PaintInfo&,
                        const LayoutRect&,
                        const LayoutObject& backgroundObject);
 
   const LayoutTableCell& m_layoutTableCell;
 };
 
 }  // namespace blink
 
 #endif  // TableCellPainter_h