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

Source/core/svg/SVGTransformTearOff.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 39 matching lines @@
         SVG_TRANSFORM_ROTATE = blink::SVG_TRANSFORM_ROTATE,
         SVG_TRANSFORM_SKEWX = blink::SVG_TRANSFORM_SKEWX,
         SVG_TRANSFORM_SKEWY = blink::SVG_TRANSFORM_SKEWY,
     };
 
     static PassRefPtrWillBeRawPtr<SVGTransformTearOff> create(PassRefPtrWillBeRawPtr<SVGTransform> target, SVGElement* contextElement, PropertyIsAnimValType propertyIsAnimVal, const QualifiedName& attributeName = QualifiedName::null())
     {
         return adoptRefWillBeNoop(new SVGTransformTearOff(target, contextElement, propertyIsAnimVal, attributeName));
     }
 
-    virtual ~SVGTransformTearOff();
+    ~SVGTransformTearOff() override;
 
     unsigned short transformType() { return target()->transformType(); }
     SVGMatrixTearOff* matrix();
     float angle() { return target()->angle(); }
 
     void setMatrix(PassRefPtrWillBeRawPtr<SVGMatrixTearOff>, ExceptionState&);
     void setTranslate(float tx, float ty, ExceptionState&);
     void setScale(float sx, float sy, ExceptionState&);
     void setRotate(float angle, float cx, float cy, ExceptionState&);
     void setSkewX(float, ExceptionState&);
     void setSkewY(float, ExceptionState&);
 
     DECLARE_VIRTUAL_TRACE();
 
 private:
     SVGTransformTearOff(PassRefPtrWillBeRawPtr<SVGTransform>, SVGElement* contextElement, PropertyIsAnimValType, const QualifiedName& attributeName);
 
     RefPtrWillBeMember<SVGMatrixTearOff> m_matrixTearoff;
 };
 
 } // namespace blink
 
 #endif // SVGTransformTearOff_h