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

Source/core/svg/SVGAngle.h

Index: Source/core/svg/SVGAngle.h
diff --git a/Source/core/svg/SVGAngle.h b/Source/core/svg/SVGAngle.h
index cec54d5cbe4249e66b8b148899e2eb974705afe3..b1e1637e752039937994d8e573644ea08e295dae 100644
--- a/Source/core/svg/SVGAngle.h
+++ b/Source/core/svg/SVGAngle.h
@@ -47,18 +47,18 @@ public:
         return adoptRefWillBeNoop(new SVGMarkerOrientEnumeration(angle));
     }
 
-    virtual ~SVGMarkerOrientEnumeration();
+    ~SVGMarkerOrientEnumeration() override;
 
-    virtual void add(PassRefPtrWillBeRawPtr<SVGPropertyBase>, SVGElement*) override;
-    virtual void calculateAnimatedValue(SVGAnimationElement*, float, unsigned, PassRefPtrWillBeRawPtr<SVGPropertyBase>, PassRefPtrWillBeRawPtr<SVGPropertyBase>, PassRefPtrWillBeRawPtr<SVGPropertyBase>, SVGElement*) override;
-    virtual float calculateDistance(PassRefPtrWillBeRawPtr<SVGPropertyBase>, SVGElement*) override;
+    void add(PassRefPtrWillBeRawPtr<SVGPropertyBase>, SVGElement*) override;
+    void calculateAnimatedValue(SVGAnimationElement*, float, unsigned, PassRefPtrWillBeRawPtr<SVGPropertyBase>, PassRefPtrWillBeRawPtr<SVGPropertyBase>, PassRefPtrWillBeRawPtr<SVGPropertyBase>, SVGElement*) override;
+    float calculateDistance(PassRefPtrWillBeRawPtr<SVGPropertyBase>, SVGElement*) override;
 
     DECLARE_VIRTUAL_TRACE();
 
 private:
     SVGMarkerOrientEnumeration(SVGAngle*);
 
-    virtual void notifyChange() override;
+    void notifyChange() override;
 
     RawPtrWillBeMember<SVGAngle> m_angle;
 };
@@ -81,7 +81,7 @@ public:
         return adoptRefWillBeNoop(new SVGAngle());
     }
 
-    virtual ~SVGAngle();
+    ~SVGAngle() override;
 
     SVGAngleType unitType() const { return m_unitType; }
 
@@ -102,12 +102,12 @@ public:
 
     PassRefPtrWillBeRawPtr<SVGAngle> clone() const;
 
-    virtual String valueAsString() const override;
+    String valueAsString() const override;
     void setValueAsString(const String&, ExceptionState&);
 
-    virtual void add(PassRefPtrWillBeRawPtr<SVGPropertyBase>, SVGElement*) override;
-    virtual void calculateAnimatedValue(SVGAnimationElement*, float percentage, unsigned repeatCount, PassRefPtrWillBeRawPtr<SVGPropertyBase> from, PassRefPtrWillBeRawPtr<SVGPropertyBase> to, PassRefPtrWillBeRawPtr<SVGPropertyBase> toAtEndOfDurationValue, SVGElement* contextElement) override;
-    virtual float calculateDistance(PassRefPtrWillBeRawPtr<SVGPropertyBase> to, SVGElement* contextElement) override;
+    void add(PassRefPtrWillBeRawPtr<SVGPropertyBase>, SVGElement*) override;
+    void calculateAnimatedValue(SVGAnimationElement*, float percentage, unsigned repeatCount, PassRefPtrWillBeRawPtr<SVGPropertyBase> from, PassRefPtrWillBeRawPtr<SVGPropertyBase> to, PassRefPtrWillBeRawPtr<SVGPropertyBase> toAtEndOfDurationValue, SVGElement* contextElement) override;
+    float calculateDistance(PassRefPtrWillBeRawPtr<SVGPropertyBase> to, SVGElement* contextElement) override;
 
     static AnimatedPropertyType classType() { return AnimatedAngle; }