Make Exception and Error objects ScriptWrappable.

Source/core/html/MediaKeyError.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:
  * 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
  *    documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
  */
 
 #ifndef MediaKeyError_h
 #define MediaKeyError_h
 
-#include <wtf/PassRefPtr.h>
-#include <wtf/RefCounted.h>
+#include "bindings/v8/ScriptWrappable.h"
+#include "wtf/PassRefPtr.h"
+#include "wtf/RefCounted.h"
 
 namespace WebCore {
 
-class MediaKeyError : public RefCounted<MediaKeyError> {
+class MediaKeyError : public RefCounted<MediaKeyError>, public ScriptWrappable {
 public:
     enum {
         MEDIA_KEYERR_UNKNOWN = 1,
         MEDIA_KEYERR_CLIENT,
         MEDIA_KEYERR_SERVICE,
         MEDIA_KEYERR_OUTPUT,
         MEDIA_KEYERR_HARDWARECHANGE,
         MEDIA_KEYERR_DOMAIN
     };
     typedef unsigned short Code;
 
     static PassRefPtr<MediaKeyError> create(Code code, unsigned long systemCode = 0) { return adoptRef(new MediaKeyError(code, systemCode)); }
 
     Code code() const { return m_code; }
     unsigned long systemCode() { return m_systemCode; }
 
 private:
-    explicit MediaKeyError(Code code, unsigned long systemCode) : m_code(code), m_systemCode(systemCode) { }
+    explicit MediaKeyError(Code code, unsigned long systemCode) : m_code(code), m_systemCode(systemCode)
+    {
+        ScriptWrappable::init(this);
+    }
 
     Code m_code;
     unsigned long m_systemCode;
 };
 
 } // namespace WebCore
 
 #endif