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

Source/core/layout/LayoutMedia.h

 /*
  * Copyright (C) 2007, 2008, 2009, 2010 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 17 matching lines @@
 
 #include "core/layout/LayoutImage.h"
 
 namespace blink {
 
 class HTMLMediaElement;
 
 class LayoutMedia : public LayoutImage {
 public:
     explicit LayoutMedia(HTMLMediaElement*);
-    virtual ~LayoutMedia();
+    ~LayoutMedia() override;
 
     LayoutObject* firstChild() const { ASSERT(children() == virtualChildren()); return children()->firstChild(); }
     LayoutObject* lastChild() const { ASSERT(children() == virtualChildren()); return children()->lastChild(); }
 
     // If you have a LayoutMedia, use firstChild or lastChild instead.
     void slowFirstChild() const = delete;
     void slowLastChild() const = delete;
 
     const LayoutObjectChildList* children() const { return &m_children; }
     LayoutObjectChildList* children() { return &m_children; }
 
     HTMLMediaElement* mediaElement() const;
 
-    virtual const char* name() const override { return "LayoutMedia"; }
+    const char* name() const override { return "LayoutMedia"; }
 
 protected:
-    virtual void layout() override;
+    void layout() override;
 
-    virtual bool isOfType(LayoutObjectType type) const override { return type == LayoutObjectMedia || LayoutImage::isOfType(type); }
+    bool isOfType(LayoutObjectType type) const override { return type == LayoutObjectMedia || LayoutImage::isOfType(type); }
 
 private:
-    virtual LayoutObjectChildList* virtualChildren() override final { return children(); }
-    virtual const LayoutObjectChildList* virtualChildren() const override final { return children(); }
+    LayoutObjectChildList* virtualChildren() final { return children(); }
+    const LayoutObjectChildList* virtualChildren() const final { return children(); }
 
-    virtual DeprecatedPaintLayerType layerTypeRequired() const override { return NormalDeprecatedPaintLayer; }
+    DeprecatedPaintLayerType layerTypeRequired() const override { return NormalDeprecatedPaintLayer; }
 
-    virtual bool canHaveChildren() const override final { return true; }
-    virtual bool isChildAllowed(LayoutObject*, const ComputedStyle&) const override final;
+    bool canHaveChildren() const final { return true; }
+    bool isChildAllowed(LayoutObject*, const ComputedStyle&) const final;
 
-    virtual bool isImage() const override final { return false; }
-    virtual void paintReplaced(const PaintInfo&, const LayoutPoint&) override;
+    bool isImage() const final { return false; }
+    void paintReplaced(const PaintInfo&, const LayoutPoint&) override;
 
-    virtual bool backgroundShouldAlwaysBeClipped() const override final { return false; }
+    bool backgroundShouldAlwaysBeClipped() const final { return false; }
 
     LayoutObjectChildList m_children;
 };
 
 DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutMedia, isMedia());
 
 } // namespace blink
 
 #endif // LayoutMedia_h