Have ScriptPromiseResolver on the Oilpan heap always.

Source/modules/push_messaging/PushManager.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/PushManager.h"
 
 #include "bindings/core/v8/CallbackPromiseAdapter.h"
 #include "bindings/core/v8/ScriptPromise.h"
 #include "bindings/core/v8/ScriptPromiseResolver.h"
@@ skipping 38 matching lines @@
     : m_registration(registration)
 {
     ASSERT(registration);
 }
 
 ScriptPromise PushManager::subscribe(ScriptState* scriptState, const PushSubscriptionOptions& options)
 {
     if (!m_registration->active())
         return ScriptPromise::rejectWithDOMException(scriptState, DOMException::create(AbortError, "Subscription failed - no active Service Worker"));
 
-    RefPtrWillBeRawPtr<ScriptPromiseResolver> resolver = ScriptPromiseResolver::create(scriptState);
+    ScriptPromiseResolver* resolver = ScriptPromiseResolver::create(scriptState);
     ScriptPromise promise = resolver->promise();
 
     // The document context is the only reasonable context from which to ask the user for permission
     // to use the Push API. The embedder should persist the permission so that later calls in
     // different contexts can succeed.
     if (scriptState->executionContext()->isDocument()) {
         Document* document = toDocument(scriptState->executionContext());
         // FIXME: add test coverage for this condition - https://crbug.com/440431
         if (!document->domWindow() || !document->frame())
             return ScriptPromise::rejectWithDOMException(scriptState, DOMException::create(InvalidStateError, "Document is detached from window."));
         PushController::clientFrom(document->frame()).subscribe(m_registration->webRegistration(), toWebPushSubscriptionOptions(options), new PushSubscriptionCallbacks(resolver, m_registration));
     } else {
         pushProvider()->subscribe(m_registration->webRegistration(), toWebPushSubscriptionOptions(options), new PushSubscriptionCallbacks(resolver, m_registration));
     }
 
     return promise;
 }
 
 ScriptPromise PushManager::getSubscription(ScriptState* scriptState)
 {
-    RefPtrWillBeRawPtr<ScriptPromiseResolver> resolver = ScriptPromiseResolver::create(scriptState);
+    ScriptPromiseResolver* resolver = ScriptPromiseResolver::create(scriptState);
     ScriptPromise promise = resolver->promise();
 
     pushProvider()->getSubscription(m_registration->webRegistration(), new PushSubscriptionCallbacks(resolver, m_registration));
     return promise;
 }
 
 ScriptPromise PushManager::permissionState(ScriptState* scriptState, const PushSubscriptionOptions& options)
 {
     if (scriptState->executionContext()->isDocument()) {
         Document* document = toDocument(scriptState->executionContext());
         // FIXME: add test coverage for this condition - https://crbug.com/440431
         if (!document->domWindow() || !document->frame())
             return ScriptPromise::rejectWithDOMException(scriptState, DOMException::create(InvalidStateError, "Document is detached from window."));
     }
 
-    RefPtrWillBeRawPtr<ScriptPromiseResolver> resolver = ScriptPromiseResolver::create(scriptState);
+    ScriptPromiseResolver* resolver = ScriptPromiseResolver::create(scriptState);
     ScriptPromise promise = resolver->promise();
 
     pushProvider()->getPermissionStatus(m_registration->webRegistration(), toWebPushSubscriptionOptions(options), new PushPermissionStatusCallbacks(resolver));
     return promise;
 }
 
 DEFINE_TRACE(PushManager)
 {
     visitor->trace(m_registration);
 }
 
 } // namespace blink