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

Source/core/layout/LayoutRubyBase.h

 /*
  * Copyright (C) 2009 Google 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 21 matching lines @@
 #define LayoutRubyBase_h
 
 #include "core/layout/LayoutBlockFlow.h"
 
 namespace blink {
 
 class LayoutRubyRun;
 
 class LayoutRubyBase final : public LayoutBlockFlow {
 public:
-    virtual ~LayoutRubyBase();
-
+    ~LayoutRubyBase() override;
     static LayoutRubyBase* createAnonymous(Document*);
 
-    virtual const char* name() const override { return "LayoutRubyBase"; }
+    const char* name() const override { return "LayoutRubyBase"; }
 
-    virtual bool isOfType(LayoutObjectType type) const override { return type == LayoutObjectRubyBase || LayoutBlockFlow::isOfType(type); }
+    bool isOfType(LayoutObjectType type) const override { return type == LayoutObjectRubyBase || LayoutBlockFlow::isOfType(type); }
 
-    virtual bool isChildAllowed(LayoutObject*, const ComputedStyle&) const override;
+    bool isChildAllowed(LayoutObject*, const ComputedStyle&) const override;
 
 private:
     LayoutRubyBase();
 
-    virtual ETextAlign textAlignmentForLine(bool endsWithSoftBreak) const override;
-    virtual void adjustInlineDirectionLineBounds(unsigned expansionOpportunityCount, LayoutUnit& logicalLeft, LayoutUnit& logicalWidth) const override;
+    ETextAlign textAlignmentForLine(bool endsWithSoftBreak) const override;
+    void adjustInlineDirectionLineBounds(unsigned expansionOpportunityCount, LayoutUnit& logicalLeft, LayoutUnit& logicalWidth) const override;
 
     void moveChildren(LayoutRubyBase* toBase, LayoutObject* beforeChild = nullptr);
     void moveInlineChildren(LayoutRubyBase* toBase, LayoutObject* beforeChild = nullptr);
     void moveBlockChildren(LayoutRubyBase* toBase, LayoutObject* beforeChild = nullptr);
 
     // Allow LayoutRubyRun to manipulate the children within ruby bases.
     friend class LayoutRubyRun;
 };
 
 } // namespace blink
 
 #endif // LayoutRubyBase_h