Move painting code from RenderTableCell to TableCellPainter.

Source/core/paint/TableRowPainter.cpp

 // 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.
 
 #include "config.h"
 #include "core/paint/TableRowPainter.h"
 
 #include "core/paint/ObjectPainter.h"
+#include "core/paint/TableCellPainter.h"
 #include "core/rendering/GraphicsContextAnnotator.h"
 #include "core/rendering/PaintInfo.h"
 #include "core/rendering/RenderTableCell.h"
 #include "core/rendering/RenderTableRow.h"
 
 namespace blink {
 
 void TableRowPainter::paint(PaintInfo& paintInfo, const LayoutPoint& paintOffset)
 {
     ASSERT(m_renderTableRow.hasSelfPaintingLayer());
     ANNOTATE_GRAPHICS_CONTEXT(paintInfo, &m_renderTableRow);
 
     paintOutlineForRowIfNeeded(paintInfo, paintOffset);
     for (RenderTableCell* cell = m_renderTableRow.firstCell(); cell; cell = cell->nextCell()) {
         // Paint the row background behind the cell.
         if (paintInfo.phase == PaintPhaseBlockBackground || paintInfo.phase == PaintPhaseChildBlockBackground)
-            cell->paintBackgroundsBehindCell(paintInfo, paintOffset, &m_renderTableRow);
+            TableCellPainter(*cell).paintBackgroundsBehindCell(paintInfo, paintOffset, &m_renderTableRow);
         if (!cell->hasSelfPaintingLayer())
             cell->paint(paintInfo, paintOffset);
     }
 }
 
 void TableRowPainter::paintOutlineForRowIfNeeded(PaintInfo& paintInfo, const LayoutPoint& paintOffset)
 {
     LayoutPoint adjustedPaintOffset = paintOffset + m_renderTableRow.location();
     PaintPhase paintPhase = paintInfo.phase;
     if ((paintPhase == PaintPhaseOutline || paintPhase == PaintPhaseSelfOutline) && m_renderTableRow.style()->visibility() == VISIBLE)
         ObjectPainter(m_renderTableRow).paintOutline(paintInfo, LayoutRect(adjustedPaintOffset, m_renderTableRow.size()));
 }
 
 } // namespace blink