Fix virtual/override/final usage in Source/core/svg/.

Source/core/svg/SVGPoint.h

 /*
  * Copyright (C) 2014 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 47 matching lines @@
     const FloatPoint& value() const { return m_value; }
     void setValue(const FloatPoint& value) { m_value = value; }
 
     float x() const { return m_value.x(); }
     float y() const { return m_value.y(); }
     void setX(float f) { m_value.setX(f); }
     void setY(float f) { m_value.setY(f); }
 
     FloatPoint matrixTransform(const AffineTransform&) const;
 
-    virtual String valueAsString() const override;
+    String valueAsString() const override;
     void setValueAsString(const String&, ExceptionState&);
 
-    virtual void add(PassRefPtrWillBeRawPtr<SVGPropertyBase>, SVGElement*) override;
-    virtual void calculateAnimatedValue(SVGAnimationElement*, float percentage, unsigned repeatCount, PassRefPtrWillBeRawPtr<SVGPropertyBase> from, PassRefPtrWillBeRawPtr<SVGPropertyBase> to, PassRefPtrWillBeRawPtr<SVGPropertyBase> toAtEndOfDurationValue, SVGElement* contextElement) override;
-    virtual float calculateDistance(PassRefPtrWillBeRawPtr<SVGPropertyBase> to, SVGElement* contextElement) override;
+    void add(PassRefPtrWillBeRawPtr<SVGPropertyBase>, SVGElement*) override;
+    void calculateAnimatedValue(SVGAnimationElement*, float percentage, unsigned repeatCount, PassRefPtrWillBeRawPtr<SVGPropertyBase> from, PassRefPtrWillBeRawPtr<SVGPropertyBase> to, PassRefPtrWillBeRawPtr<SVGPropertyBase> toAtEndOfDurationValue, SVGElement* contextElement) override;
+    float calculateDistance(PassRefPtrWillBeRawPtr<SVGPropertyBase> to, SVGElement* contextElement) override;
 
     static AnimatedPropertyType classType() { return AnimatedPoint; }
 
 private:
     SVGPoint();
     explicit SVGPoint(const FloatPoint&);
 
     template<typename CharType>
     void parse(const CharType*& ptr, const CharType* end, ExceptionState&);
 
     FloatPoint m_value;
 };
 
 inline PassRefPtrWillBeRawPtr<SVGPoint> toSVGPoint(PassRefPtrWillBeRawPtr<SVGPropertyBase> passBase)
 {
     RefPtrWillBeRawPtr<SVGPropertyBase> base = passBase;
     ASSERT(base->type() == SVGPoint::classType());
     return static_pointer_cast<SVGPoint>(base.release());
 }
 
 } // namespace blink
 
 #endif // SVGPoint_h