Removing a bunch of unused platform code.

Source/WebCore/platform/graphics/ShadowBlur.h

 /*
  * Copyright (C) 2011 Apple Inc.
  * Copyright (C) 2010 Sencha, Inc.
  * Copyright (C) 2010 Igalia S.L.
  * 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
@@ skipping 52 matching lines @@
 
     void drawRectShadow(GraphicsContext*, const FloatRect&, const RoundedRect::Radii&);
     void drawInsetShadow(GraphicsContext*, const FloatRect&, const FloatRect& holeRect, const RoundedRect::Radii& holeRadii);
 
     void blurLayerImage(unsigned char*, const IntSize&, int stride);
 
     void clear();
 
     ShadowType type() const { return m_type; }
 
-#if PLATFORM(QT)
-    bool mustUseShadowBlur(GraphicsContext*) const;
-#endif
-
 private:
     void updateShadowBlurValues();
 
     void drawShadowBuffer(GraphicsContext*);
 
     void adjustBlurRadius(GraphicsContext*);
     
     enum ShadowDirection {
         OuterShadow,
         InnerShadow
@@ skipping 29 matching lines @@
     FloatPoint m_layerOrigin; // Top-left corner of the (possibly clipped) bounding rect to draw the shadow to.
     FloatSize m_layerSize; // Size of m_layerImage pixels that need blurring.
     FloatSize m_layerContextTranslation; // Translation to apply to m_layerContext for the shadow to be correctly clipped.
 
     bool m_shadowsIgnoreTransforms;
 };
 
 } // namespace WebCore
 
 #endif // ShadowBlur_h