bindings: Adds virtual ScriptWrappable::wrap method.

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/text/WTFString.h"
 
 namespace blink {
 
 class AudioNodeOutput;
 
 class AudioParam FINAL : public AudioSummingJunction, public ScriptWrappable {
+    DEFINE_WRAPPERTYPEINFO();
 public:
     static const double DefaultSmoothingConstant;
     static const double SnapThreshold;
 
     static AudioParam* create(AudioContext* context, double defaultValue)
     {
         return new AudioParam(context, defaultValue);
     }
 
     // AudioSummingJunction
@@ skipping 58 matching lines @@
 
     // Smoothing (de-zippering)
     double m_smoothedValue;
 
     AudioParamTimeline m_timeline;
 };
 
 } // namespace blink
 
 #endif // AudioParam_h