Use FINAL macro for classes whose virtual destructor was removed

Source/modules/mediasource/WebKitSourceBuffer.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:
  *
  *     * 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 25 matching lines @@
 #include "wtf/RefCounted.h"
 #include "wtf/text/WTFString.h"
 
 namespace WebCore {
 
 class ExceptionState;
 class SourceBufferPrivate;
 class TimeRanges;
 class WebKitMediaSource;
 
-class WebKitSourceBuffer : public RefCounted<WebKitSourceBuffer>, public ScriptWrappable {
+class WebKitSourceBuffer FINAL : public RefCounted<WebKitSourceBuffer>, public ScriptWrappable {
 public:
     static PassRefPtr<WebKitSourceBuffer> create(PassOwnPtr<SourceBufferPrivate>, PassRefPtr<WebKitMediaSource>);
 
     ~WebKitSourceBuffer();
 
     // WebKitSourceBuffer.idl methods
     PassRefPtr<TimeRanges> buffered(ExceptionState&) const;
     double timestampOffset() const;
     void setTimestampOffset(double, ExceptionState&);
     void append(PassRefPtr<Uint8Array> data, ExceptionState&);
     void abort(ExceptionState&);
 
     void removedFromMediaSource();
 
 private:
     WebKitSourceBuffer(PassOwnPtr<SourceBufferPrivate>, PassRefPtr<WebKitMediaSource>);
 
     bool isRemoved() const;
 
     OwnPtr<SourceBufferPrivate> m_private;
     RefPtr<WebKitMediaSource> m_source;
 
     double m_timestampOffset;
 };
 
 } // namespace WebCore
 
 #endif