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

Source/core/html/HTMLTableCellElement.h

Index: Source/core/html/HTMLTableCellElement.h
diff --git a/Source/core/html/HTMLTableCellElement.h b/Source/core/html/HTMLTableCellElement.h
index e4225a2e0b520adc1ef57e543da7569b4f86704b..e56c9970c2afced1f19e9088303963bbce9780f8 100644
--- a/Source/core/html/HTMLTableCellElement.h
+++ b/Source/core/html/HTMLTableCellElement.h
@@ -55,14 +55,14 @@ public:
 private:
     HTMLTableCellElement(const QualifiedName&, 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;
-
-    virtual bool isURLAttribute(const Attribute&) const override;
-    virtual bool hasLegalLinkAttribute(const QualifiedName&) const override;
-    virtual const QualifiedName& subResourceAttributeName() const 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;
+
+    bool isURLAttribute(const Attribute&) const override;
+    bool hasLegalLinkAttribute(const QualifiedName&) const override;
+    const QualifiedName& subResourceAttributeName() const override;
 };
 
 inline bool isHTMLTableCellElement(const HTMLElement& element)