Store |detail| as a hidden value of custom event wrappers

third_party/WebKit/Source/core/events/CustomEvent.cpp

 /*
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
  *
  * 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.
  */
 
 #include "config.h"
 #include "core/events/CustomEvent.h"
 
 #include "bindings/core/v8/SerializedScriptValue.h"
+#include "bindings/core/v8/SerializedScriptValueFactory.h"
 
 namespace blink {
 
 CustomEvent::CustomEvent()
 {
 }
 
 CustomEvent::CustomEvent(const AtomicString& type, const CustomEventInit& initializer)
     : Event(type, initializer)
 {
-    if (initializer.hasDetail())
-        m_detail = initializer.detail();
 }
 
 CustomEvent::~CustomEvent()
 {
 }
 
 void CustomEvent::initCustomEvent(const AtomicString& type, bool canBubble, bool cancelable, const ScriptValue& detail)
 {
     initEvent(type, canBubble, cancelable);
-    m_detail = detail;
+    m_serializedDetail = SerializedScriptValueFactory::instance().createAndSwallowExceptions(detail.isolate(), detail.v8Value());
 }
 
 void CustomEvent::initCustomEvent(const AtomicString& type, bool canBubble, bool cancelable, PassRefPtr<SerializedScriptValue> serializedDetail)
 {
     if (dispatched())
         return;
 
     initEvent(type, canBubble, cancelable);
 
     m_serializedDetail = serializedDetail;
 }
 
 const AtomicString& CustomEvent::interfaceName() const
 {
     return EventNames::CustomEvent;
 }
 
 DEFINE_TRACE(CustomEvent)
 {
     Event::trace(visitor);
 }
 
 } // namespace blink