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

Source/core/html/MediaKeyError.h

 /*
  * Copyright (C) 2012 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:
  * 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 15 matching lines @@
 #ifndef MediaKeyError_h
 #define MediaKeyError_h
 
 #include "bindings/core/v8/ScriptWrappable.h"
 #include "platform/heap/Handle.h"
 #include "wtf/PassRefPtr.h"
 #include "wtf/RefCounted.h"
 
 namespace blink {
 
-class MediaKeyError FINAL : public RefCountedWillBeGarbageCollectedFinalized<MediaKeyError>, public ScriptWrappable {
+class MediaKeyError final : public RefCountedWillBeGarbageCollectedFinalized<MediaKeyError>, public ScriptWrappable {
     DEFINE_WRAPPERTYPEINFO();
 public:
     enum {
         MEDIA_KEYERR_UNKNOWN = 1,
         MEDIA_KEYERR_CLIENT,
         MEDIA_KEYERR_SERVICE,
         MEDIA_KEYERR_OUTPUT,
         MEDIA_KEYERR_HARDWARECHANGE,
         MEDIA_KEYERR_DOMAIN
     };
@@ skipping 13 matching lines @@
     MediaKeyError(Code code, unsigned long systemCode)
         : m_code(code), m_systemCode(systemCode) { }
 
     Code m_code;
     unsigned long m_systemCode;
 };
 
 } // namespace blink
 
 #endif // MediaKeyError_h