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

Source/core/svg/SVGRectElement.h

Index: Source/core/svg/SVGRectElement.h
diff --git a/Source/core/svg/SVGRectElement.h b/Source/core/svg/SVGRectElement.h
index cd8204c5ef94ffbe6835490f82d811aa32b20622..3963ebba10b92aca9792cb1948da91270bb14f99 100644
--- a/Source/core/svg/SVGRectElement.h
+++ b/Source/core/svg/SVGRectElement.h
@@ -48,14 +48,14 @@ public:
 private:
     explicit SVGRectElement(Document&);
 
-    virtual bool isPresentationAttribute(const QualifiedName&) const override;
-    virtual bool isPresentationAttributeWithSVGDOM(const QualifiedName&) const override;
-    virtual void collectStyleForPresentationAttribute(const QualifiedName&, const AtomicString&, MutableStylePropertySet*) override;
-    virtual void svgAttributeChanged(const QualifiedName&) override;
+    bool isPresentationAttribute(const QualifiedName&) const override;
+    bool isPresentationAttributeWithSVGDOM(const QualifiedName&) const override;
+    void collectStyleForPresentationAttribute(const QualifiedName&, const AtomicString&, MutableStylePropertySet*) override;
+    void svgAttributeChanged(const QualifiedName&) override;
 
-    virtual bool selfHasRelativeLengths() const override;
+    bool selfHasRelativeLengths() const override;
 
-    virtual LayoutObject* createLayoutObject(const ComputedStyle&) override;
+    LayoutObject* createLayoutObject(const ComputedStyle&) override;
 
     RefPtrWillBeMember<SVGAnimatedLength> m_x;
     RefPtrWillBeMember<SVGAnimatedLength> m_y;