Replace OVERRIDE and FINAL with their C++11 counterparts in WTF

Source/wtf/FilePrintStream.h

 /*
  * Copyright (C) 2012 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 14 matching lines @@
 
 #ifndef FilePrintStream_h
 #define FilePrintStream_h
 
 #include <stdio.h>
 #include "wtf/PassOwnPtr.h"
 #include "wtf/PrintStream.h"
 
 namespace WTF {
 
-class WTF_EXPORT FilePrintStream FINAL : public PrintStream {
+class WTF_EXPORT FilePrintStream final : public PrintStream {
 public:
     enum AdoptionMode {
         Adopt,
         Borrow
     };
 
     FilePrintStream(FILE*, AdoptionMode = Adopt);
     virtual ~FilePrintStream();
 
     static PassOwnPtr<FilePrintStream> open(const char* filename, const char* mode);
 
     FILE* file() { return m_file; }
 
-    virtual void vprintf(const char* format, va_list) OVERRIDE WTF_ATTRIBUTE_PRINTF(2, 0);
-    virtual void flush() OVERRIDE;
+    virtual void vprintf(const char* format, va_list) override WTF_ATTRIBUTE_PRINTF(2, 0);
+    virtual void flush() override;
 
 private:
     FILE* m_file;
     AdoptionMode m_adoptionMode;
 };
 
 } // namespace WTF
 
 using WTF::FilePrintStream;
 
 #endif // FilePrintStream_h