Update editing classes to use OVERRIDE / FINAL when needed

Source/core/editing/FormatBlockCommand.h

 /*
  * Copyright (C) 2006, 2008 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 20 matching lines @@
 #include "core/editing/EditAction.h"
 
 namespace WebCore {
 
 class Document;
 class Element;
 class Position;
 class Range;
 class VisiblePosition;
 
-class FormatBlockCommand : public ApplyBlockElementCommand {
+class FormatBlockCommand FINAL : public ApplyBlockElementCommand {
 public:
     static PassRefPtr<FormatBlockCommand> create(Document& document, const QualifiedName& tagName)
     {
         return adoptRef(new FormatBlockCommand(document, tagName));
     }
 
-    virtual bool preservesTypingStyle() const { return true; }
+    virtual bool preservesTypingStyle() const OVERRIDE { return true; }
 
     static Element* elementForFormatBlockCommand(Range*);
     bool didApply() const { return m_didApply; }
 
 private:
     FormatBlockCommand(Document&, const QualifiedName& tagName);
 
-    void formatSelection(const VisiblePosition& startOfSelection, const VisiblePosition& endOfSelection);
-    void formatRange(const Position& start, const Position& end, const Position& endOfSelection, RefPtr<Element>&);
-    EditAction editingAction() const { return EditActionFormatBlock; }
+    virtual void formatSelection(const VisiblePosition& startOfSelection, const VisiblePosition& endOfSelection) OVERRIDE;
+    virtual void formatRange(const Position& start, const Position& end, const Position& endOfSelection, RefPtr<Element>&) OVERRIDE;
+    virtual EditAction editingAction() const OVERRIDE { return EditActionFormatBlock; }
 
     bool m_didApply;
 };
 
 } // namespace WebCore
 
 #endif // FormatBlockCommand_h