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

Source/core/html/HTMLTableColElement.h

Index: Source/core/html/HTMLTableColElement.h
diff --git a/Source/core/html/HTMLTableColElement.h b/Source/core/html/HTMLTableColElement.h
index e5ddeeec5c04df16ff197d426e372885783d5389..601c1d6013386724b50ea456ac31b1d3b75e7510 100644
--- a/Source/core/html/HTMLTableColElement.h
+++ b/Source/core/html/HTMLTableColElement.h
@@ -43,10 +43,10 @@ public:
 private:
     HTMLTableColElement(const QualifiedName& tagName, Document&);
 
-    virtual void parseAttribute(const QualifiedName&, const AtomicString&) override;
-    virtual bool isPresentationAttribute(const QualifiedName&) const override;
-    virtual void collectStyleForPresentationAttribute(const QualifiedName&, const AtomicString&, MutableStylePropertySet*) override;
-    virtual const StylePropertySet* additionalPresentationAttributeStyle() override;
+    void parseAttribute(const QualifiedName&, const AtomicString&) override;
+    bool isPresentationAttribute(const QualifiedName&) const override;
+    void collectStyleForPresentationAttribute(const QualifiedName&, const AtomicString&, MutableStylePropertySet*) override;
+    const StylePropertySet* additionalPresentationAttributeStyle() override;
 
     unsigned m_span;
 };