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

Source/core/layout/LayoutTableCol.h

 /*
  * Copyright (C) 1997 Martin Jones (mjones@kde.org)
  *           (C) 1997 Torben Weis (weis@kde.org)
  *           (C) 1998 Waldo Bastian (bastian@kde.org)
  *           (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2003, 2004, 2005, 2006, 2009 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
  *
  * This library is free software; you can redistribute it and/or
@@ skipping 60 matching lines @@
 
 
     // Returns the next column or column-group.
     LayoutTableCol* nextColumn() const;
 
     const BorderValue& borderAdjoiningCellStartBorder(const LayoutTableCell*) const;
     const BorderValue& borderAdjoiningCellEndBorder(const LayoutTableCell*) const;
     const BorderValue& borderAdjoiningCellBefore(const LayoutTableCell*) const;
     const BorderValue& borderAdjoiningCellAfter(const LayoutTableCell*) const;
 
-    virtual const char* name() const override { return "LayoutTableCol"; }
+    const char* name() const override { return "LayoutTableCol"; }
 
 private:
-    virtual LayoutObjectChildList* virtualChildren() override { return children(); }
-    virtual const LayoutObjectChildList* virtualChildren() const override { return children(); }
+    LayoutObjectChildList* virtualChildren() override { return children(); }
+    const LayoutObjectChildList* virtualChildren() const override { return children(); }
 
-    virtual bool isOfType(LayoutObjectType type) const override { return type == LayoutObjectLayoutTableCol || LayoutBox::isOfType(type); }
-    virtual void updateFromElement() override;
-    virtual void computePreferredLogicalWidths() override { ASSERT_NOT_REACHED(); }
+    bool isOfType(LayoutObjectType type) const override { return type == LayoutObjectLayoutTableCol || LayoutBox::isOfType(type); }
+    void updateFromElement() override;
+    void computePreferredLogicalWidths() override { ASSERT_NOT_REACHED(); }
 
-    virtual void insertedIntoTree() override;
-    virtual void willBeRemovedFromTree() override;
+    void insertedIntoTree() override;
+    void willBeRemovedFromTree() override;
 
-    virtual bool isChildAllowed(LayoutObject*, const ComputedStyle&) const override;
-    virtual bool canHaveChildren() const override;
-    virtual DeprecatedPaintLayerType layerTypeRequired() const override { return NoDeprecatedPaintLayer; }
+    bool isChildAllowed(LayoutObject*, const ComputedStyle&) const override;
+    bool canHaveChildren() const override;
+    DeprecatedPaintLayerType layerTypeRequired() const override { return NoDeprecatedPaintLayer; }
 
-    virtual LayoutRect clippedOverflowRectForPaintInvalidation(const LayoutBoxModelObject* paintInvalidationContainer, const PaintInvalidationState* = nullptr) const override;
-    virtual void imageChanged(WrappedImagePtr, const IntRect* = nullptr) override;
+    LayoutRect clippedOverflowRectForPaintInvalidation(const LayoutBoxModelObject* paintInvalidationContainer, const PaintInvalidationState* = nullptr) const override;
+    void imageChanged(WrappedImagePtr, const IntRect* = nullptr) override;
 
-    virtual void styleDidChange(StyleDifference, const ComputedStyle* oldStyle) override;
+    void styleDidChange(StyleDifference, const ComputedStyle* oldStyle) override;
 
     LayoutTable* table() const;
 
     LayoutObjectChildList m_children;
     unsigned m_span;
 };
 
 DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutTableCol, isLayoutTableCol());
 
 }
 
 #endif