Update modules classes to use OVERRIDE / FINAL when needed

Source/modules/webaudio/AudioParam.h

 /*
  * Copyright (C) 2010 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
@@ skipping 25 matching lines @@
 #include <sys/types.h>
 #include "wtf/Float32Array.h"
 #include "wtf/PassRefPtr.h"
 #include "wtf/RefCounted.h"
 #include "wtf/text/WTFString.h"
 
 namespace WebCore {
 
 class AudioNodeOutput;
 
-class AudioParam : public RefCounted<AudioParam>, public ScriptWrappable, public AudioSummingJunction {
+class AudioParam FINAL : public RefCounted<AudioParam>, public ScriptWrappable, public AudioSummingJunction {
 public:
     static const double DefaultSmoothingConstant;
     static const double SnapThreshold;
 
     static PassRefPtr<AudioParam> create(AudioContext* context, const String& name, double defaultValue, double minValue, double maxValue, unsigned units = 0)
     {
         return adoptRef(new AudioParam(context, name, defaultValue, minValue, maxValue, units));
     }
 
     // AudioSummingJunction
@@ skipping 76 matching lines @@
     // Smoothing (de-zippering)
     double m_smoothedValue;
     double m_smoothingConstant;
 
     AudioParamTimeline m_timeline;
 };
 
 } // namespace WebCore
 
 #endif // AudioParam_h