bindings: Retires ScriptWrappable::init, etc.

Source/core/html/MediaError.h

 /*
  * Copyright (C) 2007 Apple 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 35 matching lines @@
     static PassRefPtrWillBeRawPtr<MediaError> create(Code code)
     {
         return adoptRefWillBeNoop(new MediaError(code));
     }
 
     Code code() const { return m_code; }
 
     void trace(Visitor*) { }
 
 private:
-    MediaError(Code code) : m_code(code)
-    {
-        ScriptWrappable::init(this);
-    }
+    MediaError(Code code) : m_code(code) { }
 
     Code m_code;
 };
 
 } // namespace blink
 
 #endif // MediaError_h