Replace setCompositeOperation(CompositeOperator, WebBlendMode) with setCompositeOperation(SkXfermod…

Source/platform/graphics/GradientGeneratedImage.cpp

 /*
  * Copyright (C) 2008, 2009, 2010, 2012 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 16 matching lines @@
 #include "platform/graphics/GradientGeneratedImage.h"
 
 #include "platform/geometry/FloatRect.h"
 #include "platform/graphics/GraphicsContextStateSaver.h"
 
 namespace blink {
 
 void GradientGeneratedImage::draw(GraphicsContext* destContext, const FloatRect& destRect, const FloatRect& srcRect, CompositeOperator compositeOp, WebBlendMode blendMode)
 {
     GraphicsContextStateSaver stateSaver(*destContext);
-    destContext->setCompositeOperation(compositeOp, blendMode);
+    destContext->setCompositeOperation(WebCoreCompositeToSkiaComposite(compositeOp, blendMode));
     destContext->clip(destRect);
     destContext->translate(destRect.x(), destRect.y());
     if (destRect.size() != srcRect.size())
         destContext->scale(destRect.width() / srcRect.width(), destRect.height() / srcRect.height());
     destContext->translate(-srcRect.x(), -srcRect.y());
     destContext->setFillGradient(m_gradient);
     destContext->fillRect(FloatRect(FloatPoint(), m_size));
 }
 
 void GradientGeneratedImage::drawTile(GraphicsContext* context, const FloatRect& srcRect)
 {
     context->setFillGradient(m_gradient);
     context->fillRect(srcRect);
 }
 
 } // namespace blink