Use SkXfermode::Mode in code related to Image.

Source/core/paint/TableCellPainter.cpp

Index: Source/core/paint/TableCellPainter.cpp
diff --git a/Source/core/paint/TableCellPainter.cpp b/Source/core/paint/TableCellPainter.cpp
index 624591bcdd7e432523f65491fdeb36dad686c4a3..5a82559c5776932eaa562b12f4052e3bf13b6564 100644
--- a/Source/core/paint/TableCellPainter.cpp
+++ b/Source/core/paint/TableCellPainter.cpp
@@ -211,7 +211,7 @@ void TableCellPainter::paintBackgroundsBehindCell(const PaintInfo& paintInfo, co
             clipRect.expand(m_renderTableCell.borderInsets());
             paintInfo.context->clip(clipRect);
         }
-        BoxPainter(m_renderTableCell).paintFillLayers(paintInfo, c, bgLayer, paintRect, BackgroundBleedNone, CompositeSourceOver, backgroundObject);
+        BoxPainter(m_renderTableCell).paintFillLayers(paintInfo, c, bgLayer, paintRect, BackgroundBleedNone, SkXfermode::kSrcOver_Mode, backgroundObject);
     }
 }