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

Source/core/layout/LayoutPart.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 2000 Simon Hausmann <hausmann@kde.org>
  * Copyright (C) 2006, 2009 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 15 matching lines @@
 #include "core/CoreExport.h"
 #include "core/layout/LayoutReplaced.h"
 #include "platform/Widget.h"
 
 namespace blink {
 
 // LayoutObject for frames via LayoutFrame and LayoutIFrame, and plugins via LayoutEmbeddedObject.
 class CORE_EXPORT LayoutPart : public LayoutReplaced {
 public:
     explicit LayoutPart(Element*);
-    virtual ~LayoutPart();
+    ~LayoutPart() override;
 
     bool requiresAcceleratedCompositing() const;
 
-    virtual bool needsPreferredWidthsRecalculation() const override final;
+    bool needsPreferredWidthsRecalculation() const final;
 
-    virtual bool nodeAtPoint(HitTestResult&, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset, HitTestAction) override;
+    bool nodeAtPoint(HitTestResult&, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset, HitTestAction) override;
 
     void ref() { ++m_refCount; }
     void deref();
 
     Widget* widget() const;
 
     void updateOnWidgetChange();
     void updateWidgetPosition();
     void widgetPositionsUpdated();
     bool updateWidgetGeometry();
 
-    virtual bool isLayoutPart() const override final { return true; }
+    bool isLayoutPart() const final { return true; }
     virtual void paintContents(const PaintInfo&, const LayoutPoint&);
 
 protected:
-    virtual DeprecatedPaintLayerType layerTypeRequired() const override;
+    DeprecatedPaintLayerType layerTypeRequired() const override;
 
-    virtual void styleDidChange(StyleDifference, const ComputedStyle* oldStyle) override final;
-    virtual void layout() override;
-    virtual void paint(const PaintInfo&, const LayoutPoint&) override;
-    virtual CursorDirective getCursor(const LayoutPoint&, Cursor&) const override final;
+    void styleDidChange(StyleDifference, const ComputedStyle* oldStyle) final;
+    void layout() override;
+    void paint(const PaintInfo&, const LayoutPoint&) override;
+    CursorDirective getCursor(const LayoutPoint&, Cursor&) const final;
 
     // Overridden to invalidate the child frame if any.
-    virtual void invalidatePaintOfSubtreesIfNeeded(PaintInvalidationState&) override;
+    void invalidatePaintOfSubtreesIfNeeded(PaintInvalidationState&) override;
 
 private:
-    virtual CompositingReasons additionalCompositingReasons() const override;
+    CompositingReasons additionalCompositingReasons() const override;
 
-    virtual void willBeDestroyed() override final;
-    virtual void destroy() override final;
+    void willBeDestroyed() final;
+    void destroy() final;
 
     bool setWidgetGeometry(const LayoutRect&);
 
     bool nodeAtPointOverWidget(HitTestResult&, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset, HitTestAction);
 
     int m_refCount;
 };
 
 DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutPart, isLayoutPart());
 
 } // namespace blink
 
 #endif // LayoutPart_h