Use FINAL macro for classes whose virtual destructor was removed

Source/core/platform/chromium/support/WebRTCSessionDescription.cpp

 /*
  * 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 20 matching lines @@
 #include "config.h"
 
 #include "public/platform/WebRTCSessionDescription.h"
 
 #include "wtf/PassRefPtr.h"
 #include "wtf/RefCounted.h"
 #include "public/platform/WebString.h"
 
 namespace WebKit {
 
-class WebRTCSessionDescriptionPrivate : public RefCounted<WebRTCSessionDescriptionPrivate> {
+class WebRTCSessionDescriptionPrivate FINAL : public RefCounted<WebRTCSessionDescriptionPrivate> {
 public:
     static PassRefPtr<WebRTCSessionDescriptionPrivate> create(const WebString& type, const WebString& sdp);
 
     WebString type() { return m_type; }
     void setType(const WebString& type) { m_type = type; }
 
     WebString sdp() { return m_sdp; }
     void setSdp(const WebString& sdp) { m_sdp = sdp; }
 
 private:
@@ skipping 48 matching lines @@
 }
 
 void WebRTCSessionDescription::setSDP(const WebString& sdp)
 {
     ASSERT(!m_private.isNull());
     return m_private->setSdp(sdp);
 }
 
 } // namespace WebKit