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

Source/core/layout/LayoutQuote.h

 /*
  * Copyright (C) 2011 Nokia Inc. All rights reserved.
  * Copyright (C) 2012 Google 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.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 17 matching lines @@
 #include "core/style/QuotesData.h"
 
 namespace blink {
 
 class Document;
 class LayoutTextFragment;
 
 class LayoutQuote final : public LayoutInline {
 public:
     LayoutQuote(Document*, const QuoteType);
-    virtual ~LayoutQuote();
+    ~LayoutQuote() override;
     void attachQuote();
 
-    virtual const char* name() const override { return "LayoutQuote"; }
+    const char* name() const override { return "LayoutQuote"; }
 
 private:
     void detachQuote();
 
-    virtual void willBeDestroyed() override;
-    virtual bool isOfType(LayoutObjectType type) const override { return type == LayoutObjectQuote || LayoutInline::isOfType(type); }
-    virtual void styleDidChange(StyleDifference, const ComputedStyle*) override;
-    virtual void willBeRemovedFromTree() override;
+    void willBeDestroyed() override;
+    bool isOfType(LayoutObjectType type) const override { return type == LayoutObjectQuote || LayoutInline::isOfType(type); }
+    void styleDidChange(StyleDifference, const ComputedStyle*) override;
+    void willBeRemovedFromTree() override;
 
     String computeText() const;
     void updateText();
     const QuotesData* quotesData() const;
     void updateDepth();
     bool isAttached() { return m_attached; }
 
     LayoutTextFragment* findFragmentChild() const;
 
     QuoteType m_type;
     int m_depth;
     LayoutQuote* m_next;
     LayoutQuote* m_previous;
     bool m_attached;
     String m_text;
 };
 
 DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutQuote, isQuote());
 
 } // namespace blink
 
 #endif // LayoutQuote_h