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

Source/core/svg/SVGTextPathElement.h

 /*
  * Copyright (C) 2007 Nikolas Zimmermann <zimmermann@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,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 50 matching lines @@
 
     SVGAnimatedLength* startOffset() const { return m_startOffset.get(); }
     SVGAnimatedEnumeration<SVGTextPathMethodType>* method() { return m_method.get(); }
     SVGAnimatedEnumeration<SVGTextPathSpacingType>* spacing() { return m_spacing.get(); }
 
     DECLARE_VIRTUAL_TRACE();
 
 private:
     explicit SVGTextPathElement(Document&);
 
-    virtual ~SVGTextPathElement();
+    ~SVGTextPathElement() override;
 
     void clearResourceReferences();
 
-    virtual void buildPendingResource() override;
-    virtual InsertionNotificationRequest insertedInto(ContainerNode*) override;
-    virtual void removedFrom(ContainerNode*) override;
+    void buildPendingResource() override;
+    InsertionNotificationRequest insertedInto(ContainerNode*) override;
+    void removedFrom(ContainerNode*) override;
 
-    virtual void svgAttributeChanged(const QualifiedName&) override;
+    void svgAttributeChanged(const QualifiedName&) override;
 
-    virtual LayoutObject* createLayoutObject(const ComputedStyle&) override;
-    virtual bool layoutObjectIsNeeded(const ComputedStyle&) override;
+    LayoutObject* createLayoutObject(const ComputedStyle&) override;
+    bool layoutObjectIsNeeded(const ComputedStyle&) override;
 
-    virtual bool selfHasRelativeLengths() const override;
+    bool selfHasRelativeLengths() const override;
 
     RefPtrWillBeMember<SVGAnimatedLength> m_startOffset;
     RefPtrWillBeMember<SVGAnimatedEnumeration<SVGTextPathMethodType>> m_method;
     RefPtrWillBeMember<SVGAnimatedEnumeration<SVGTextPathSpacingType>> m_spacing;
 };
 
 } // namespace blink
 
 #endif // SVGTextPathElement_h