Oilpan: Replace most of RefPtrs for Event objects with oilpan's transition types

Source/core/frame/DOMWindow.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 2010 Apple Inc. All rights reserved.
  * 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
@@ skipping 106 matching lines @@
         , m_message(message)
         , m_origin(sourceOrigin)
         , m_source(source)
         , m_channels(channels)
         , m_targetOrigin(targetOrigin)
         , m_stackTrace(stackTrace)
         , m_userGestureToken(userGestureToken)
     {
     }
 
-    PassRefPtr<MessageEvent> event()
+    PassRefPtrWillBeRawPtr<MessageEvent> event()
     {
         return MessageEvent::create(m_channels.release(), m_message, m_origin, String(), m_source.get());
 
     }
     SecurityOrigin* targetOrigin() const { return m_targetOrigin.get(); }
     ScriptCallStack* stackTrace() const { return m_stackTrace.get(); }
     UserGestureToken* userGestureToken() const { return m_userGestureToken.get(); }
 
 private:
     virtual void fired() OVERRIDE
@@ skipping 277 matching lines @@
     }
 
     return m_document;
 }
 
 EventQueue* DOMWindow::eventQueue() const
 {
     return m_eventQueue.get();
 }
 
-void DOMWindow::enqueueWindowEvent(PassRefPtr<Event> event)
+void DOMWindow::enqueueWindowEvent(PassRefPtrWillBeRawPtr<Event> event)
 {
     if (!m_eventQueue)
         return;
     event->setTarget(this);
     m_eventQueue->enqueueEvent(event);
 }
 
-void DOMWindow::enqueueDocumentEvent(PassRefPtr<Event> event)
+void DOMWindow::enqueueDocumentEvent(PassRefPtrWillBeRawPtr<Event> event)
 {
     if (!m_eventQueue)
         return;
     event->setTarget(m_document);
     m_eventQueue->enqueueEvent(event);
 }
 
 void DOMWindow::dispatchWindowLoadEvent()
 {
     ASSERT(!NoEventDispatchAssertion::isEventDispatchForbidden());
@@ skipping 415 matching lines @@
     timer->suspendIfNeeded();
 }
 
 void DOMWindow::postMessageTimerFired(PassOwnPtr<PostMessageTimer> t)
 {
     OwnPtr<PostMessageTimer> timer(t);
 
     if (!isCurrentlyDisplayedInFrame())
         return;
 
-    RefPtr<MessageEvent> event = timer->event();
+    RefPtrWillBeRawPtr<MessageEvent> event = timer->event();
 
     // Give the embedder a chance to intercept this postMessage because this
     // DOMWindow might be a proxy for another in browsers that support
     // postMessage calls across WebKit instances.
     if (m_frame->loader().client()->willCheckAndDispatchMessageEvent(timer->targetOrigin(), event.get()))
         return;
 
     UserGestureIndicator gestureIndicator(timer->userGestureToken());
 
     event->entangleMessagePorts(document());
     dispatchMessageEventWithOriginCheck(timer->targetOrigin(), event, timer->stackTrace());
 }
 
-void DOMWindow::dispatchMessageEventWithOriginCheck(SecurityOrigin* intendedTargetOrigin, PassRefPtr<Event> event, PassRefPtr<ScriptCallStack> stackTrace)
+void DOMWindow::dispatchMessageEventWithOriginCheck(SecurityOrigin* intendedTargetOrigin, PassRefPtrWillBeRawPtr<Event> event, PassRefPtr<ScriptCallStack> stackTrace)
 {
     if (intendedTargetOrigin) {
         // Check target origin now since the target document may have changed since the timer was scheduled.
         if (!intendedTargetOrigin->isSameSchemeHostPort(document()->securityOrigin())) {
             String message = ExceptionMessages::failedToExecute("postMessage", "DOMWindow", "The target origin provided ('" + intendedTargetOrigin->toString() + "') does not match the recipient window's origin ('" + document()->securityOrigin()->toString() + "').");
             pageConsole()->addMessage(SecurityMessageSource, ErrorMessageLevel, message, stackTrace);
             return;
         }
     }
 
@@ skipping 670 matching lines @@
         removeUnloadEventListener(this);
     } else if (eventType == EventTypeNames::beforeunload && allowsBeforeUnloadListeners(this)) {
         removeBeforeUnloadEventListener(this);
     }
 
     return true;
 }
 
 void DOMWindow::dispatchLoadEvent()
 {
-    RefPtr<Event> loadEvent(Event::create(EventTypeNames::load));
+    RefPtrWillBeRawPtr<Event> loadEvent(Event::create(EventTypeNames::load));
     if (m_frame && m_frame->loader().documentLoader() && !m_frame->loader().documentLoader()->timing()->loadEventStart()) {
         // The DocumentLoader (and thus its DocumentLoadTiming) might get destroyed while dispatching
         // the event, so protect it to prevent writing the end time into freed memory.
         RefPtr<DocumentLoader> documentLoader = m_frame->loader().documentLoader();
         DocumentLoadTiming* timing = documentLoader->timing();
         timing->markLoadEventStart();
         dispatchEvent(loadEvent, document());
         timing->markLoadEventEnd();
     } else
         dispatchEvent(loadEvent, document());
 
     // For load events, send a separate load event to the enclosing frame only.
     // This is a DOM extension and is independent of bubbling/capturing rules of
     // the DOM.
     Element* ownerElement = m_frame ? m_frame->ownerElement() : 0;
     if (ownerElement)
         ownerElement->dispatchEvent(Event::create(EventTypeNames::load));
 
     InspectorInstrumentation::loadEventFired(frame());
 }
 
-bool DOMWindow::dispatchEvent(PassRefPtr<Event> prpEvent, PassRefPtr<EventTarget> prpTarget)
+bool DOMWindow::dispatchEvent(PassRefPtrWillBeRawPtr<Event> prpEvent, PassRefPtr<EventTarget> prpTarget)
 {
     ASSERT(!NoEventDispatchAssertion::isEventDispatchForbidden());
 
     RefPtr<EventTarget> protect = this;
-    RefPtr<Event> event = prpEvent;
+    RefPtrWillBeRawPtr<Event> event = prpEvent;
 
     event->setTarget(prpTarget ? prpTarget : this);
     event->setCurrentTarget(this);
     event->setEventPhase(Event::AT_TARGET);
 
     InspectorInstrumentationCookie cookie = InspectorInstrumentation::willDispatchEventOnWindow(frame(), *event, this);
 
     bool result = fireEventListeners(event.get());
 
     InspectorInstrumentation::didDispatchEventOnWindow(cookie);
@@ skipping 276 matching lines @@
     visitor->trace(m_localStorage);
     visitor->trace(m_applicationCache);
     visitor->trace(m_performance);
     visitor->trace(m_css);
 #if ENABLE(OILPAN)
     HeapSupplementable<DOMWindow>::trace(visitor);
 #endif
 }
 
 } // namespace WebCore