Have ScriptPromiseResolver on the Oilpan heap always.

Source/modules/push_messaging/PushSubscriptionCallbacks.cpp

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "config.h"
 #include "modules/push_messaging/PushSubscriptionCallbacks.h"
 
 #include "bindings/core/v8/ScriptPromiseResolver.h"
 #include "modules/push_messaging/PushError.h"
 #include "modules/push_messaging/PushSubscription.h"
 #include "modules/serviceworkers/ServiceWorkerRegistration.h"
 
 namespace blink {
 
-PushSubscriptionCallbacks::PushSubscriptionCallbacks(PassRefPtrWillBeRawPtr<ScriptPromiseResolver> resolver, ServiceWorkerRegistration* serviceWorkerRegistration)
+PushSubscriptionCallbacks::PushSubscriptionCallbacks(ScriptPromiseResolver* resolver, ServiceWorkerRegistration* serviceWorkerRegistration)
     : m_resolver(resolver)
     , m_serviceWorkerRegistration(serviceWorkerRegistration)
 {
     ASSERT(m_resolver);
     ASSERT(m_serviceWorkerRegistration);
 }
 
 PushSubscriptionCallbacks::~PushSubscriptionCallbacks()
 {
 }
@@ skipping 12 matching lines @@
 
 void PushSubscriptionCallbacks::onError(WebPushError* error)
 {
     OwnPtr<WebPushError> ownError = adoptPtr(error);
     if (!m_resolver->executionContext() || m_resolver->executionContext()->activeDOMObjectsAreStopped())
         return;
     m_resolver->reject(PushError::take(m_resolver.get(), ownError.release()));
 }
 
 } // namespace blink