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

Source/core/svg/SVGPatternElement.h

 /*
  * Copyright (C) 2004, 2005, 2006, 2008 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2007 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 29 matching lines @@
                                 public SVGURIReference,
                                 public SVGTests,
                                 public SVGFitToViewBox {
     DEFINE_WRAPPERTYPEINFO();
     WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(SVGPatternElement);
 public:
     DECLARE_NODE_FACTORY(SVGPatternElement);
 
     void collectPatternAttributes(PatternAttributes&) const;
 
-    virtual AffineTransform localCoordinateSpaceTransform(SVGElement::CTMScope) const override;
+    AffineTransform localCoordinateSpaceTransform(SVGElement::CTMScope) const override;
 
     SVGAnimatedLength* x() const { return m_x.get(); }
     SVGAnimatedLength* y() const { return m_y.get(); }
     SVGAnimatedLength* width() const { return m_width.get(); }
     SVGAnimatedLength* height() const { return m_height.get(); }
     SVGAnimatedTransformList* patternTransform() { return m_patternTransform.get(); }
     const SVGAnimatedTransformList* patternTransform() const { return m_patternTransform.get(); }
     SVGAnimatedEnumeration<SVGUnitTypes::SVGUnitType>* patternUnits() { return m_patternUnits.get(); }
     SVGAnimatedEnumeration<SVGUnitTypes::SVGUnitType>* patternContentUnits() { return m_patternContentUnits.get(); }
     const SVGAnimatedEnumeration<SVGUnitTypes::SVGUnitType>* patternUnits() const { return m_patternUnits.get(); }
     const SVGAnimatedEnumeration<SVGUnitTypes::SVGUnitType>* patternContentUnits() const { return m_patternContentUnits.get(); }
 
     DECLARE_VIRTUAL_TRACE();
 
 private:
     explicit SVGPatternElement(Document&);
 
-    virtual bool isValid() const override { return SVGTests::isValid(document()); }
-    virtual bool needsPendingResourceHandling() const override { return false; }
+    bool isValid() const override { return SVGTests::isValid(document()); }
+    bool needsPendingResourceHandling() const override { return false; }
 
-    virtual void svgAttributeChanged(const QualifiedName&) override;
-    virtual void childrenChanged(const ChildrenChange&) override;
+    void svgAttributeChanged(const QualifiedName&) override;
+    void childrenChanged(const ChildrenChange&) override;
 
-    virtual LayoutObject* createLayoutObject(const ComputedStyle&) override;
+    LayoutObject* createLayoutObject(const ComputedStyle&) override;
 
-    virtual bool selfHasRelativeLengths() const override;
+    bool selfHasRelativeLengths() const override;
 
     RefPtrWillBeMember<SVGAnimatedLength> m_x;
     RefPtrWillBeMember<SVGAnimatedLength> m_y;
     RefPtrWillBeMember<SVGAnimatedLength> m_width;
     RefPtrWillBeMember<SVGAnimatedLength> m_height;
     RefPtrWillBeMember<SVGAnimatedTransformList> m_patternTransform;
     RefPtrWillBeMember<SVGAnimatedEnumeration<SVGUnitTypes::SVGUnitType>> m_patternUnits;
     RefPtrWillBeMember<SVGAnimatedEnumeration<SVGUnitTypes::SVGUnitType>> m_patternContentUnits;
 };
 
 } // namespace blink
 
 #endif // SVGPatternElement_h