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

Source/core/svg/SVGPathBuilder.h

Index: Source/core/svg/SVGPathBuilder.h
diff --git a/Source/core/svg/SVGPathBuilder.h b/Source/core/svg/SVGPathBuilder.h
index 4d6b1a360d575c13dcad519268e1eee7187e1fb4..0ccecfd52786f318e3622a111debe9c8237445a8 100644
--- a/Source/core/svg/SVGPathBuilder.h
+++ b/Source/core/svg/SVGPathBuilder.h
@@ -35,10 +35,10 @@ public:
     SVGPathBuilder(Path& path) : m_path(path), m_closed(true) { }
 
 private:
-    virtual void incrementPathSegmentCount() override { }
-    virtual bool continueConsuming() override { return true; }
+    void incrementPathSegmentCount() override { }
+    bool continueConsuming() override { return true; }
 
-    virtual void emitSegment(const PathSegmentData&) override;
+    void emitSegment(const PathSegmentData&) override;
 
     Path& m_path;
     bool m_closed;