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

Source/core/layout/LayoutMeter.h

 /*
  * Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
  *
  * 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 12 matching lines @@
 
 #include "core/layout/LayoutBlockFlow.h"
 
 namespace blink {
 
 class HTMLMeterElement;
 
 class LayoutMeter final : public LayoutBlockFlow {
 public:
     explicit LayoutMeter(HTMLElement*);
-    virtual ~LayoutMeter();
+    ~LayoutMeter() override;
 
     HTMLMeterElement* meterElement() const;
-    virtual void updateFromElement() override;
+    void updateFromElement() override;
 
-    virtual const char* name() const override { return "LayoutMeter"; }
+    const char* name() const override { return "LayoutMeter"; }
 
 private:
-    virtual void updateLogicalWidth() override;
-    virtual void computeLogicalHeight(LayoutUnit logicalHeight, LayoutUnit logicalTop, LogicalExtentComputedValues&) const override;
+    void updateLogicalWidth() override;
+    void computeLogicalHeight(LayoutUnit logicalHeight, LayoutUnit logicalTop, LogicalExtentComputedValues&) const override;
 
-    virtual bool isOfType(LayoutObjectType type) const override { return type == LayoutObjectMeter || LayoutBlockFlow::isOfType(type); }
+    bool isOfType(LayoutObjectType type) const override { return type == LayoutObjectMeter || LayoutBlockFlow::isOfType(type); }
 };
 
 DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutMeter, isMeter());
 
 } // namespace blink
 
 #endif // LayoutMeter_h