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

Source/core/svg/SVGStaticStringList.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 30 matching lines @@
 
 // SVGStringList property implementations for SVGTests properties.
 // Inherits SVGAnimatedPropertyBase to enable XML attribute synchronization, but this is never animated.
 class SVGStaticStringList final : public SVGAnimatedPropertyBase {
 public:
     static PassRefPtrWillBeRawPtr<SVGStaticStringList> create(SVGElement* contextElement, const QualifiedName& attributeName)
     {
         return adoptRefWillBeNoop(new SVGStaticStringList(contextElement, attributeName));
     }
 
-    virtual ~SVGStaticStringList();
+    ~SVGStaticStringList() override;
 
     // SVGAnimatedPropertyBase:
-    virtual SVGPropertyBase* currentValueBase() override;
-    virtual bool isAnimating() const override;
-    virtual PassRefPtrWillBeRawPtr<SVGPropertyBase> createAnimatedValue() override;
-    virtual void setAnimatedValue(PassRefPtrWillBeRawPtr<SVGPropertyBase>) override;
-    virtual void animationEnded() override;
-    virtual bool needsSynchronizeAttribute() override;
+    SVGPropertyBase* currentValueBase() override;
+    bool isAnimating() const override;
+    PassRefPtrWillBeRawPtr<SVGPropertyBase> createAnimatedValue() override;
+    void setAnimatedValue(PassRefPtrWillBeRawPtr<SVGPropertyBase>) override;
+    void animationEnded() override;
+    bool needsSynchronizeAttribute() override;
 
     void setBaseValueAsString(const String& value, SVGParsingError& parseError);
 
     SVGStringList* value() { return m_value.get(); }
     SVGStringListTearOff* tearOff();
 
     DECLARE_VIRTUAL_TRACE();
 
 private:
     SVGStaticStringList(SVGElement*, const QualifiedName&);
 
     RefPtrWillBeMember<SVGStringList> m_value;
     RefPtrWillBeMember<SVGStringListTearOff> m_tearOff;
 };
 
 }
 
 #endif