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

Source/core/svg/SVGPathSegListBuilder.h

Index: Source/core/svg/SVGPathSegListBuilder.h
diff --git a/Source/core/svg/SVGPathSegListBuilder.h b/Source/core/svg/SVGPathSegListBuilder.h
index 235fc45dfa6e090da80845a77c80ab7e0db15a66..d0bf7d4c64919a67fc37e261b85aabd9261df443 100644
--- a/Source/core/svg/SVGPathSegListBuilder.h
+++ b/Source/core/svg/SVGPathSegListBuilder.h
@@ -37,10 +37,10 @@ public:
     SVGPathSegListBuilder(SVGPathElement*, PassRefPtrWillBeRawPtr<SVGPathSegList>);
 
 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;
 
     RawPtrWillBeMember<SVGPathElement> m_pathElement;
     RefPtrWillBeMember<SVGPathSegList> m_pathSegList;