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

Source/core/layout/LayoutTableCaption.h

 /*
  * Copyright (C) 2011 Robert Hogan <robert@roberthogan.net>
  *
  * 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,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 11 matching lines @@
 
 #include "core/layout/LayoutBlockFlow.h"
 
 namespace blink {
 
 class LayoutTable;
 
 class LayoutTableCaption final : public LayoutBlockFlow {
 public:
     explicit LayoutTableCaption(Element*);
-    virtual ~LayoutTableCaption();
-    virtual LayoutUnit containingBlockLogicalWidthForContent() const override;
+    ~LayoutTableCaption() override;
+    LayoutUnit containingBlockLogicalWidthForContent() const override;
 
 private:
-    virtual bool isOfType(LayoutObjectType type) const override { return type == LayoutObjectTableCaption || LayoutBlockFlow::isOfType(type); }
+    bool isOfType(LayoutObjectType type) const override { return type == LayoutObjectTableCaption || LayoutBlockFlow::isOfType(type); }
 
-    virtual void insertedIntoTree() override;
-    virtual void willBeRemovedFromTree() override;
+    void insertedIntoTree() override;
+    void willBeRemovedFromTree() override;
 
     LayoutTable* table() const;
 };
 
 DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutTableCaption, isTableCaption());
 
 } // namespace blink
 
 #endif // LayoutTableCaption_h