Use SkXfermode::Mode in code related to Image.

Source/platform/graphics/CrossfadeGeneratedImage.cpp

 /*
  * Copyright (C) 2011 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 50 matching lines @@
     context->restore();
 
     // Draw the image we're fading towards.
     context->save();
     if (m_crossfadeSize != toImageSize) {
         context->scale(
             static_cast<float>(m_crossfadeSize.width()) / toImageSize.width(),
             static_cast<float>(m_crossfadeSize.height()) / toImageSize.height());
     }
     context->setAlphaAsFloat(m_percentage);
-    context->drawImage(m_toImage, IntPoint(), CompositePlusLighter);
+    context->drawImage(m_toImage, IntPoint(), SkXfermode::kPlus_Mode);
     context->restore();
 
     context->endLayer();
 }
 
-void CrossfadeGeneratedImage::draw(GraphicsContext* context, const FloatRect& dstRect, const FloatRect& srcRect, CompositeOperator compositeOp, WebBlendMode blendMode, RespectImageOrientationEnum)
+void CrossfadeGeneratedImage::draw(GraphicsContext* context, const FloatRect& dstRect, const FloatRect& srcRect, SkXfermode::Mode compositeOp, RespectImageOrientationEnum)
 {
     // Draw nothing if either of the images hasn't loaded yet.
     if (m_fromImage == Image::nullImage() || m_toImage == Image::nullImage())
         return;
 
     GraphicsContextStateSaver stateSaver(*context);
-    context->setCompositeOperation(WebCoreCompositeToSkiaComposite(compositeOp, blendMode));
+    context->setCompositeOperation(compositeOp);
     context->clip(dstRect);
     context->translate(dstRect.x(), dstRect.y());
     if (dstRect.size() != srcRect.size())
         context->scale(dstRect.width() / srcRect.width(), dstRect.height() / srcRect.height());
     context->translate(-srcRect.x(), -srcRect.y());
 
     drawCrossfade(context);
 }
 
 void CrossfadeGeneratedImage::drawTile(GraphicsContext* context, const FloatRect& srcRect)
 {
     // Draw nothing if either of the images hasn't loaded yet.
     if (m_fromImage == Image::nullImage() || m_toImage == Image::nullImage())
         return;
 
     drawCrossfade(context);
 }
 
 } // namespace blink