Update SVG classes to use OVERRIDE / FINAL when needed

Source/core/svg/SVGTextElement.h

Index: Source/core/svg/SVGTextElement.h
diff --git a/Source/core/svg/SVGTextElement.h b/Source/core/svg/SVGTextElement.h
index b52204c15c3e042898901c525de0eec567ac595b..eb8014406034eed1527ee80c879eddf5231bbf11 100644
--- a/Source/core/svg/SVGTextElement.h
+++ b/Source/core/svg/SVGTextElement.h
@@ -30,15 +30,15 @@ class SVGTextElement FINAL : public SVGTextPositioningElement {
 public:
     static PassRefPtr<SVGTextElement> create(Document&);
 
-    virtual AffineTransform animatedLocalTransform() const;
+    virtual AffineTransform animatedLocalTransform() const OVERRIDE;
 
 private:
     explicit SVGTextElement(Document&);
 
     virtual bool supportsFocus() const OVERRIDE { return hasFocusEventListeners(); }
 
-    virtual RenderObject* createRenderer(RenderStyle*);
-    virtual bool childShouldCreateRenderer(const Node& child) const;
+    virtual RenderObject* createRenderer(RenderStyle*) OVERRIDE;
+    virtual bool childShouldCreateRenderer(const Node& child) const OVERRIDE;
 };
 
 DEFINE_NODE_TYPE_CASTS(SVGTextElement, hasTagName(SVGNames::textTag));