Update more core classes to use OVERRIDE / FINAL when needed

Source/core/rendering/RenderRubyRun.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 29 matching lines @@
 
 // RenderRubyRun are 'inline-block/table' like objects,and wrap a single pairing of a ruby base with its ruby text(s).
 // See RenderRuby.h for further comments on the structure
 
 class RenderRubyRun FINAL : public RenderBlockFlow {
 public:
     virtual ~RenderRubyRun();
 
     bool hasRubyText() const;
     bool hasRubyBase() const;
-    bool isEmpty() const;
+    virtual bool isEmpty() const OVERRIDE;
     RenderRubyText* rubyText() const;
     RenderRubyBase* rubyBase() const;
     RenderRubyBase* rubyBaseSafe(); // creates the base if it doesn't already exist
 
     virtual RenderObject* layoutSpecialExcludedChild(bool relayoutChildren, SubtreeLayoutScope&) OVERRIDE;
     virtual void layout() OVERRIDE;
 
     virtual bool isChildAllowed(RenderObject*, RenderStyle*) const OVERRIDE;
     virtual void addChild(RenderObject* child, RenderObject* beforeChild = 0) OVERRIDE;
     virtual void removeChild(RenderObject* child) OVERRIDE;
@@ skipping 16 matching lines @@
     virtual bool supportsPartialLayout() const OVERRIDE { return false; }
     virtual bool createsAnonymousWrapper() const OVERRIDE { return true; }
     virtual void removeLeftoverAnonymousBlock(RenderBlock*) OVERRIDE { }
 };
 
 DEFINE_RENDER_OBJECT_TYPE_CASTS(RenderRubyRun, isRubyRun());
 
 } // namespace WebCore
 
 #endif // RenderRubyRun_h