Remove PaintingData from LightSource

Source/platform/graphics/filters/SpotLightSource.h

 /*
  * Copyright (C) 2008 Alex Mathews <possessedpenguinbob@gmail.com>
  * 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>
  *
  * 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 35 matching lines @@
     const FloatPoint3D& direction() const { return m_direction; }
     float specularExponent() const { return m_specularExponent; }
     float limitingConeAngle() const { return m_limitingConeAngle; }
 
     virtual bool setPosition(const FloatPoint3D&) override;
     virtual bool setPointsAt(const FloatPoint3D&) override;
 
     virtual bool setSpecularExponent(float) override;
     virtual bool setLimitingConeAngle(float) override;
 
-    virtual void initPaintingData(PaintingData&) const override;
-    virtual void updatePaintingData(PaintingData&, int x, int y, float z) const override;
-
     virtual TextStream& externalRepresentation(TextStream&) const override;
 
 private:
     SpotLightSource(const FloatPoint3D& position, const FloatPoint3D& direction,
         float specularExponent, float limitingConeAngle)
         : LightSource(LS_SPOT)
         , m_position(position)
         , m_direction(direction)
         , m_specularExponent(std::min(std::max(specularExponent, 1.0f), 128.0f))
         , m_limitingConeAngle(limitingConeAngle)
     {
     }
 
     FloatPoint3D m_position;
     FloatPoint3D m_direction;
 
     float m_specularExponent;
     float m_limitingConeAngle;
 };
 
 } // namespace blink
 
 #endif // SpotLightSource_h