Replace FINAL and OVERRIDE with their C++11 counterparts in Source/core/editing

Source/core/editing/BreakBlockquoteCommand.h

 /*
  * Copyright (C) 2005, 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 12 matching lines @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef BreakBlockquoteCommand_h
 #define BreakBlockquoteCommand_h
 
 #include "core/editing/CompositeEditCommand.h"
 
 namespace blink {
 
-class BreakBlockquoteCommand FINAL : public CompositeEditCommand {
+class BreakBlockquoteCommand final : public CompositeEditCommand {
 public:
     static PassRefPtrWillBeRawPtr<BreakBlockquoteCommand> create(Document& document)
     {
         return adoptRefWillBeNoop(new BreakBlockquoteCommand(document));
     }
 
 private:
     explicit BreakBlockquoteCommand(Document&);
-    virtual void doApply() OVERRIDE;
+    virtual void doApply() override;
 };
 
 } // namespace blink
 
 #endif