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

Source/core/svg/SVGLength.h

 /*
  * Copyright (C) 2004, 2005, 2006, 2008 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2006 Rob Buis <buis@kde.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.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 30 matching lines @@
 class SVGLength final : public SVGPropertyBase {
 public:
     typedef SVGLengthTearOff TearOffType;
 
     static PassRefPtrWillBeRawPtr<SVGLength> create(SVGLengthMode mode = SVGLengthMode::Other)
     {
         return adoptRefWillBeNoop(new SVGLength(mode));
     }
 
     PassRefPtrWillBeRawPtr<SVGLength> clone() const;
-    virtual PassRefPtrWillBeRawPtr<SVGPropertyBase> cloneForAnimation(const String&) const override;
+    PassRefPtrWillBeRawPtr<SVGPropertyBase> cloneForAnimation(const String&) const override;
 
     SVGLengthType unitType() const { return static_cast<SVGLengthType>(m_unitType); }
     CSSPrimitiveValue::UnitType cssUnitTypeQuirk() const
     {
         if (m_unitType == LengthTypeNumber)
             return CSSPrimitiveValue::UnitType::CSS_PX;
 
         if (m_unitType == LengthTypeREMS)
             return CSSPrimitiveValue::UnitType::CSS_REMS;
         if (m_unitType == LengthTypeCHS)
@@ skipping 15 matching lines @@
 
     // Resolves LengthTypePercentage into a normalized floating point number (full value is 1.0).
     float valueAsPercentage() const;
 
     // Returns a number to be used as percentage (so full value is 100)
     float valueAsPercentage100() const;
 
     // Scale the input value by this SVGLength. Higher precision than input * valueAsPercentage().
     float scaleByPercentage(float) const;
 
-    virtual String valueAsString() const override;
+    String valueAsString() const override;
     void setValueAsString(const String&, ExceptionState&);
 
     void newValueSpecifiedUnits(SVGLengthType, float valueInSpecifiedUnits);
     void convertToSpecifiedUnits(SVGLengthType, const SVGLengthContext&);
 
     // Helper functions
     static inline bool isRelativeUnit(SVGLengthType unitType)
     {
         return unitType == LengthTypePercentage
             || unitType == LengthTypeEMS
             || unitType == LengthTypeEXS
             || unitType == LengthTypeREMS
             || unitType == LengthTypeCHS;
     }
     inline bool isRelative() const { return isRelativeUnit(unitType()); }
 
     bool isZero() const
     {
         return !m_valueInSpecifiedUnits;
     }
 
     static PassRefPtrWillBeRawPtr<SVGLength> fromCSSPrimitiveValue(CSSPrimitiveValue*);
     static PassRefPtrWillBeRawPtr<CSSPrimitiveValue> toCSSPrimitiveValue(PassRefPtrWillBeRawPtr<SVGLength>);
     static SVGLengthMode lengthModeForAnimatedLengthAttribute(const QualifiedName&);
 
     PassRefPtrWillBeRawPtr<SVGLength> blend(PassRefPtrWillBeRawPtr<SVGLength> from, float progress) const;
 
-    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 AnimatedLength; }
 
 private:
     SVGLength(SVGLengthMode);
     SVGLength(const SVGLength&);
 
     float m_valueInSpecifiedUnits;
     unsigned m_unitMode : 2;
     unsigned m_unitType : 4;
 };
 
 inline PassRefPtrWillBeRawPtr<SVGLength> toSVGLength(PassRefPtrWillBeRawPtr<SVGPropertyBase> passBase)
 {
     RefPtrWillBeRawPtr<SVGPropertyBase> base = passBase;
     ASSERT(base->type() == SVGLength::classType());
     return static_pointer_cast<SVGLength>(base.release());
 }
 
 } // namespace blink
 
 #endif // SVGLength_h