Use SkXfermode::Mode in code related to Image.

Source/core/paint/TableCellPainter.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/TableCellPainter.h"
 
 #include "core/paint/BlockPainter.h"
 #include "core/paint/BoxPainter.h"
 #include "core/paint/RenderDrawingRecorder.h"
@@ skipping 193 matching lines @@
     if (bgLayer.hasImage() || c.alpha()) {
         // We have to clip here because the background would paint
         // on top of the borders otherwise.  This only matters for cells and rows.
         bool shouldClip = backgroundObject->hasLayer() && (backgroundObject == &m_renderTableCell || backgroundObject == m_renderTableCell.parent()) && tableElt->collapseBorders();
         GraphicsContextStateSaver stateSaver(*paintInfo.context, shouldClip);
         if (shouldClip) {
             LayoutRect clipRect(paintRect.location(), m_renderTableCell.size());
             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);
     }
 }
 
 void TableCellPainter::paintBoxDecorationBackground(const PaintInfo& paintInfo, const LayoutPoint& paintOffset)
 {
     if (!paintInfo.shouldPaintWithinRoot(&m_renderTableCell))
         return;
 
     RenderTable* tableElt = m_renderTableCell.table();
     if (!tableElt->collapseBorders() && m_renderTableCell.style()->emptyCells() == HIDE && !m_renderTableCell.firstChild())
@@ skipping 32 matching lines @@
 LayoutRect TableCellPainter::paintBounds(const LayoutPoint& paintOffset, PaintBoundOffsetBehavior paintBoundOffsetBehavior)
 {
     LayoutPoint adjustedPaintOffset = paintOffset;
     if (paintBoundOffsetBehavior == AddOffsetFromParent)
         adjustedPaintOffset.moveBy(m_renderTableCell.location());
     return LayoutRect(adjustedPaintOffset, LayoutSize(m_renderTableCell.pixelSnappedSize()));
 }
 
 } // namespace blink