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

Source/core/svg/SVGStringList.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 41 matching lines @@
 //   and not used for SVGStringList.
 class SVGStringList final : public SVGPropertyHelper<SVGStringList> {
 public:
     typedef SVGStringListTearOff TearOffType;
 
     static PassRefPtrWillBeRawPtr<SVGStringList> create()
     {
         return adoptRefWillBeNoop(new SVGStringList());
     }
 
-    virtual ~SVGStringList();
+    ~SVGStringList() override;
 
     const Vector<String>& values() const { return m_values; }
 
     // SVGStringList DOM Spec implementation. These are only to be called from SVGStringListTearOff:
     unsigned long length() { return m_values.size(); }
     void clear() { m_values.clear(); }
     void initialize(const String&);
     String getItem(size_t, ExceptionState&);
     void insertItemBefore(const String&, size_t);
     String removeItem(size_t, ExceptionState&);
     void appendItem(const String&);
     void replaceItem(const String&, size_t, ExceptionState&);
 
     // SVGPropertyBase:
     void setValueAsString(const String&, ExceptionState&);
-    virtual String valueAsString() const override;
+    String valueAsString() const override;
 
-    virtual void add(PassRefPtrWillBeRawPtr<SVGPropertyBase>, SVGElement*) override;
-    virtual void calculateAnimatedValue(SVGAnimationElement*, float percentage, unsigned repeatCount, PassRefPtrWillBeRawPtr<SVGPropertyBase> fromValue, PassRefPtrWillBeRawPtr<SVGPropertyBase> toValue, PassRefPtrWillBeRawPtr<SVGPropertyBase> toAtEndOfDurationValue, SVGElement*) override;
-    virtual float calculateDistance(PassRefPtrWillBeRawPtr<SVGPropertyBase> to, SVGElement*) override;
+    void add(PassRefPtrWillBeRawPtr<SVGPropertyBase>, SVGElement*) override;
+    void calculateAnimatedValue(SVGAnimationElement*, float percentage, unsigned repeatCount, PassRefPtrWillBeRawPtr<SVGPropertyBase> fromValue, PassRefPtrWillBeRawPtr<SVGPropertyBase> toValue, PassRefPtrWillBeRawPtr<SVGPropertyBase> toAtEndOfDurationValue, SVGElement*) override;
+    float calculateDistance(PassRefPtrWillBeRawPtr<SVGPropertyBase> to, SVGElement*) override;
 
     static AnimatedPropertyType classType() { return AnimatedStringList; }
 
 private:
     SVGStringList();
 
     template <typename CharType>
     void parseInternal(const CharType*& ptr, const CharType* end);
     bool checkIndexBound(size_t, ExceptionState&);
 
     Vector<String> m_values;
 };
 
 } // namespace blink
 
 #endif // SVGStringList_h