Use WebBlendMode in FEBlend

Source/platform/graphics/filters/FEBlend.h

 /*
  * Copyright (C) 2004, 2005, 2006, 2007 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005 Rob Buis <buis@kde.org>
  * Copyright (C) 2005 Eric Seidel <eric@webkit.org>
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
@@ skipping 10 matching lines @@
  */
 
 #ifndef FEBlend_h
 #define FEBlend_h
 
 #include "platform/graphics/filters/Filter.h"
 #include "platform/graphics/filters/FilterEffect.h"
 
 namespace blink {
 
-enum BlendModeType {
-    FEBLEND_MODE_UNKNOWN = 0,
-    FEBLEND_MODE_NORMAL = 1,
-    FEBLEND_MODE_MULTIPLY = 2,
-    FEBLEND_MODE_SCREEN = 3,
-    FEBLEND_MODE_DARKEN = 4,
-    FEBLEND_MODE_LIGHTEN = 5
-};
-
 class PLATFORM_EXPORT FEBlend : public FilterEffect {
 public:
-    static PassRefPtr<FEBlend> create(Filter*, BlendModeType);
+    static PassRefPtr<FEBlend> create(Filter*, WebBlendMode);
 
-    BlendModeType blendMode() const;
-    bool setBlendMode(BlendModeType);
+    WebBlendMode blendMode() const;
+    bool setBlendMode(WebBlendMode);
 
     void platformApplyGeneric(unsigned char* srcPixelArrayA, unsigned char* srcPixelArrayB, unsigned char* dstPixelArray,
                            unsigned colorArrayLength);
     void platformApplyNEON(unsigned char* srcPixelArrayA, unsigned char* srcPixelArrayB, unsigned char* dstPixelArray,
                            unsigned colorArrayLength);
     virtual PassRefPtr<SkImageFilter> createImageFilter(SkiaImageFilterBuilder*) OVERRIDE;
 
     virtual TextStream& externalRepresentation(TextStream&, int indention) const OVERRIDE;
 
 private:
-    FEBlend(Filter*, BlendModeType);
+    FEBlend(Filter*, WebBlendMode);
 
     virtual void applySoftware() OVERRIDE;
+    bool applySoftwareNEON();
 
-    BlendModeType m_mode;
+    WebBlendMode m_mode;
 };
 
 } // namespace blink
 
 #endif // FEBlend_h