Use WebBlendMode in FEBlend

Source/platform/graphics/filters/ImageFilterBuilderTest.cpp

 /*
  * Copyright (C) 2013 Google 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 38 matching lines @@
         sourceEffect->setOperatingColorSpace(ColorSpaceDeviceRGB);
 
         // Add a blur effect (with input : source)
         RefPtr<FilterEffect> blurEffect =
             FEGaussianBlur::create(referenceFilter.get(), 3.0f, 3.0f);
         blurEffect->setOperatingColorSpace(ColorSpaceLinearRGB);
         blurEffect->inputEffects().append(sourceEffect);
 
         // Add a blend effect (with inputs : blur, source)
         RefPtr<FilterEffect> blendEffect =
-            FEBlend::create(referenceFilter.get(), FEBLEND_MODE_NORMAL);
+            FEBlend::create(referenceFilter.get(), WebBlendModeNormal);
         blendEffect->setOperatingColorSpace(ColorSpaceDeviceRGB);
         FilterEffectVector& blendInputs = blendEffect->inputEffects();
         blendInputs.reserveCapacity(2);
         blendInputs.append(sourceEffect);
         blendInputs.append(blurEffect);
 
         // Add a merge effect (with inputs : blur, blend)
         RefPtr<FilterEffect> mergeEffect = FEMerge::create(referenceFilter.get());
         mergeEffect->setOperatingColorSpace(ColorSpaceLinearRGB);
         FilterEffectVector& mergeInputs = mergeEffect->inputEffects();
@@ skipping 46 matching lines @@
 };
 
 namespace {
 
 TEST_F(ImageFilterBuilderTest, testColorSpace)
 {
     colorSpaceTest();
 }
 
 } // namespace