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

Source/core/html/HTMLLabelElement.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2010 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 20 matching lines @@
 
 namespace blink {
 
 class CORE_EXPORT HTMLLabelElement final : public HTMLElement, public FormAssociatedElement {
     DEFINE_WRAPPERTYPEINFO();
     WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(HTMLLabelElement);
 public:
     static PassRefPtrWillBeRawPtr<HTMLLabelElement> create(Document&, HTMLFormElement*);
     LabelableElement* control() const;
 
-    virtual bool willRespondToMouseClickEvents() override;
+    bool willRespondToMouseClickEvents() override;
 
     DECLARE_VIRTUAL_TRACE();
 
-    virtual HTMLFormElement* formOwner() const override;
+    HTMLFormElement* formOwner() const override;
 
 
 #if !ENABLE(OILPAN)
     using Node::ref;
     using Node::deref;
 #endif
 
 private:
     explicit HTMLLabelElement(Document&, HTMLFormElement*);
     bool isInInteractiveContent(Node*) const;
 
-    virtual bool layoutObjectIsFocusable() const override;
-    virtual bool isInteractiveContent() const override;
-    virtual void accessKeyAction(bool sendMouseEvents) override;
+    bool layoutObjectIsFocusable() const override;
+    bool isInteractiveContent() const override;
+    void accessKeyAction(bool sendMouseEvents) override;
 
-    virtual void attributeWillChange(const QualifiedName&, const AtomicString& oldValue, const AtomicString& newValue) override;
-    virtual InsertionNotificationRequest insertedInto(ContainerNode*) override;
-    virtual void removedFrom(ContainerNode*) override;
+    void attributeWillChange(const QualifiedName&, const AtomicString& oldValue, const AtomicString& newValue) override;
+    InsertionNotificationRequest insertedInto(ContainerNode*) override;
+    void removedFrom(ContainerNode*) override;
 
     // Overridden to update the hover/active state of the corresponding control.
-    virtual void setActive(bool = true) override;
-    virtual void setHovered(bool = true) override;
+    void setActive(bool = true) override;
+    void setHovered(bool = true) override;
 
     // Overridden to either click() or focus() the corresponding control.
-    virtual void defaultEventHandler(Event*) override;
+    void defaultEventHandler(Event*) override;
 
-    virtual void focus(bool restorePreviousSelection, WebFocusType) override;
+    void focus(bool restorePreviousSelection, WebFocusType) override;
 
     // FormAssociatedElement methods
-    virtual bool isFormControlElement() const override { return false; }
-    virtual bool isEnumeratable() const override { return false; }
-    virtual bool isLabelElement() const override { return true; }
+    bool isFormControlElement() const override { return false; }
+    bool isEnumeratable() const override { return false; }
+    bool isLabelElement() const override { return true; }
 #if !ENABLE(OILPAN)
-    virtual void refFormAssociatedElement() override { ref(); }
-    virtual void derefFormAssociatedElement() override { deref(); }
+    void refFormAssociatedElement() override { ref(); }
+    void derefFormAssociatedElement() override { deref(); }
 #endif
 
-    virtual void parseAttribute(const QualifiedName&, const AtomicString&) override;
+    void parseAttribute(const QualifiedName&, const AtomicString&) override;
 
     void updateLabel(TreeScope&, const AtomicString& oldForAttributeValue, const AtomicString& newForAttributeValue);
 
     bool m_processingClick;
 };
 
 
 template<typename T> inline const T& toElement(const FormAssociatedElement&);
 template<typename T> inline const T* toElement(const FormAssociatedElement*);
 // Make toHTMLLabelElement() accept a FormAssociatedElement as input instead of a Node.
 template<> inline const HTMLLabelElement* toElement<HTMLLabelElement>(const FormAssociatedElement* element)
 {
     const HTMLLabelElement* labelElement = static_cast<const HTMLLabelElement*>(element);
     // FormAssociatedElement doesn't have hasTagName, hence check for assert.
     ASSERT_WITH_SECURITY_IMPLICATION(!labelElement || labelElement->hasTagName(HTMLNames::labelTag));
     return labelElement;
 }
 
 template<> inline const HTMLLabelElement& toElement<HTMLLabelElement>(const FormAssociatedElement& element)
 {
     const HTMLLabelElement& labelElement = static_cast<const HTMLLabelElement&>(element);
     // FormAssociatedElement doesn't have hasTagName, hence check for assert.
     ASSERT_WITH_SECURITY_IMPLICATION(labelElement.hasTagName(HTMLNames::labelTag));
     return labelElement;
 }
 
 } // namespace blink
 
 #endif // HTMLLabelElement_h