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

Source/core/layout/svg/LayoutSVGTextPath.h

 /*
  * Copyright (C) 2007 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 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.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 14 matching lines @@
 
 namespace blink {
 
 class LayoutSVGTextPath final : public LayoutSVGInline {
 public:
     explicit LayoutSVGTextPath(Element*);
 
     Path layoutPath() const;
     float startOffset() const;
 
-    virtual bool isChildAllowed(LayoutObject*, const ComputedStyle&) const override;
+    bool isChildAllowed(LayoutObject*, const ComputedStyle&) const override;
 
-    virtual bool isOfType(LayoutObjectType type) const override { return type == LayoutObjectSVGTextPath || LayoutSVGInline::isOfType(type); }
+    bool isOfType(LayoutObjectType type) const override { return type == LayoutObjectSVGTextPath || LayoutSVGInline::isOfType(type); }
 
-    virtual const char* name() const override { return "LayoutSVGTextPath"; }
+    const char* name() const override { return "LayoutSVGTextPath"; }
 
 private:
     Path m_layoutPath;
 };
 
 DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutSVGTextPath, isSVGTextPath());
 
 }
 
 #endif // LayoutSVGTextPath_h