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

Source/core/html/HTMLElement.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2004-2007, 2009, 2014 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
@@ skipping 28 matching lines @@
     TranslateAttributeInherit
 };
 
 class CORE_EXPORT HTMLElement : public Element {
     DEFINE_WRAPPERTYPEINFO();
 public:
     DECLARE_ELEMENT_FACTORY_WITH_TAGNAME(HTMLElement);
 
     bool hasTagName(const HTMLQualifiedName& name) const { return hasLocalName(name.localName()); }
 
-    virtual String title() const override final;
-    virtual short tabIndex() const override;
+    String title() const final;
+    short tabIndex() const override;
 
     void setInnerText(const String&, ExceptionState&);
     void setOuterText(const String&, ExceptionState&);
 
     virtual bool hasCustomFocusLogic() const;
 
     String contentEditable() const;
     void setContentEditable(const String&, ExceptionState&);
 
     virtual bool draggable() const;
     void setDraggable(bool);
 
     bool spellcheck() const;
     void setSpellcheck(bool);
 
     bool translate() const;
     void setTranslate(bool);
 
     const AtomicString& dir();
     void setDir(const AtomicString&);
 
     void click();
 
-    virtual void accessKeyAction(bool sendMouseEvents) override;
+    void accessKeyAction(bool sendMouseEvents) override;
 
     bool ieForbidsInsertHTML() const;
 
     virtual HTMLFormElement* formOwner() const { return nullptr; }
 
     HTMLFormElement* findFormAncestor() const;
 
     bool hasDirectionAuto() const;
     TextDirection directionalityIfhasDirAutoAttribute(bool& isAuto) const;
 
     virtual bool isHTMLUnknownElement() const { return false; }
     virtual bool isPluginElement() const { return false; }
 
     virtual bool isLabelable() const { return false; }
     // http://www.whatwg.org/specs/web-apps/current-work/multipage/elements.html#interactive-content
     virtual bool isInteractiveContent() const;
-    virtual void defaultEventHandler(Event*) override;
+    void defaultEventHandler(Event*) override;
 
     static const AtomicString& eventNameForAttributeName(const QualifiedName& attrName);
 
-    virtual bool matchesReadOnlyPseudoClass() const override;
-    virtual bool matchesReadWritePseudoClass() const override;
+    bool matchesReadOnlyPseudoClass() const override;
+    bool matchesReadWritePseudoClass() const override;
 
     static const AtomicString& eventParameterName();
 
     HTMLMenuElement* assignedContextMenu() const;
     HTMLMenuElement* contextMenu() const;
     void setContextMenu(HTMLMenuElement*);
 
     virtual String altText() const { return String(); }
 
 protected:
     HTMLElement(const QualifiedName& tagName, Document&, ConstructionType);
 
     void addHTMLLengthToStyle(MutableStylePropertySet*, CSSPropertyID, const String& value);
     void addHTMLColorToStyle(MutableStylePropertySet*, CSSPropertyID, const String& color);
 
     void applyAlignmentAttributeToStyle(const AtomicString&, MutableStylePropertySet*);
     void applyBorderAttributeToStyle(const AtomicString&, MutableStylePropertySet*);
 
-    virtual void parseAttribute(const QualifiedName&, const AtomicString&) override;
-    virtual bool isPresentationAttribute(const QualifiedName&) const override;
-    virtual void collectStyleForPresentationAttribute(const QualifiedName&, const AtomicString&, MutableStylePropertySet*) override;
+    void parseAttribute(const QualifiedName&, const AtomicString&) override;
+    bool isPresentationAttribute(const QualifiedName&) const override;
+    void collectStyleForPresentationAttribute(const QualifiedName&, const AtomicString&, MutableStylePropertySet*) override;
     unsigned parseBorderWidthAttribute(const AtomicString&) const;
 
-    virtual void childrenChanged(const ChildrenChange&) override;
+    void childrenChanged(const ChildrenChange&) override;
     void calculateAndAdjustDirectionality();
 
 private:
-    virtual String nodeName() const override final;
+    String nodeName() const final;
 
     bool isHTMLElement() const = delete; // This will catch anyone doing an unnecessary check.
     bool isStyledElement() const = delete; // This will catch anyone doing an unnecessary check.
 
     void mapLanguageAttributeToLocale(const AtomicString&, MutableStylePropertySet*);
 
     PassRefPtrWillBeRawPtr<DocumentFragment> textToFragment(const String&, ExceptionState&);
 
     bool selfOrAncestorHasDirAutoAttribute() const;
     void dirAttributeChanged(const AtomicString&);
@@ skipping 43 matching lines @@
     template<typename T> inline bool is##thisType(const PassRefPtr<T>& node) { return is##thisType(node.get()); } \
     template<typename T> inline bool is##thisType(const RefPtr<T>& node) { return is##thisType(node.get()); } \
     template <> inline bool isElementOfType<const thisType>(const HTMLElement& element) { return is##thisType(element); } \
     DEFINE_ELEMENT_TYPE_CASTS_WITH_FUNCTION(thisType)
 
 } // namespace blink
 
 #include "core/HTMLElementTypeHelpers.h"
 
 #endif // HTMLElement_h