Have ScriptPromiseResolver on the Oilpan heap always.

Source/modules/geofencing/Geofencing.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/geofencing/Geofencing.h"
 
 #include "bindings/core/v8/CallbackPromiseAdapter.h"
 #include "bindings/core/v8/ScriptPromise.h"
 #include "bindings/core/v8/ScriptPromiseResolver.h"
@@ skipping 35 matching lines @@
     : m_registration(registration)
 {
 }
 
 ScriptPromise Geofencing::registerRegion(ScriptState* scriptState, GeofencingRegion* region)
 {
     WebGeofencingProvider* provider = Platform::current()->geofencingProvider();
     if (!provider)
         return ScriptPromise::rejectWithDOMException(scriptState, DOMException::create(NotSupportedError));
 
-    RefPtrWillBeRawPtr<ScriptPromiseResolver> resolver = ScriptPromiseResolver::create(scriptState);
+    ScriptPromiseResolver* resolver = ScriptPromiseResolver::create(scriptState);
     ScriptPromise promise = resolver->promise();
     WebGeofencingCallbacks* callbacks = new CallbackPromiseAdapter<void, GeofencingError>(resolver);
     WebServiceWorkerRegistration* serviceWorkerRegistration = nullptr;
     if (m_registration)
         serviceWorkerRegistration = m_registration->webRegistration();
     provider->registerRegion(region->id(), toCircularGeofencingRegion(region)->webRegion(), serviceWorkerRegistration, callbacks);
     return promise;
 }
 
 ScriptPromise Geofencing::unregisterRegion(ScriptState* scriptState, const String& regionId)
 {
     WebGeofencingProvider* provider = Platform::current()->geofencingProvider();
     if (!provider)
         return ScriptPromise::rejectWithDOMException(scriptState, DOMException::create(NotSupportedError));
 
-    RefPtrWillBeRawPtr<ScriptPromiseResolver> resolver = ScriptPromiseResolver::create(scriptState);
+    ScriptPromiseResolver* resolver = ScriptPromiseResolver::create(scriptState);
     ScriptPromise promise = resolver->promise();
     WebGeofencingCallbacks* callbacks = new CallbackPromiseAdapter<void, GeofencingError>(resolver);
     WebServiceWorkerRegistration* serviceWorkerRegistration = nullptr;
     if (m_registration)
         serviceWorkerRegistration = m_registration->webRegistration();
     provider->unregisterRegion(regionId, serviceWorkerRegistration, callbacks);
     return promise;
 }
 
 ScriptPromise Geofencing::getRegisteredRegions(ScriptState* scriptState) const
 {
     WebGeofencingProvider* provider = Platform::current()->geofencingProvider();
     if (!provider)
         return ScriptPromise::rejectWithDOMException(scriptState, DOMException::create(NotSupportedError));
 
-    RefPtrWillBeRawPtr<ScriptPromiseResolver> resolver = ScriptPromiseResolver::create(scriptState);
+    ScriptPromiseResolver* resolver = ScriptPromiseResolver::create(scriptState);
     ScriptPromise promise = resolver->promise();
     WebGeofencingRegionsCallbacks* callbacks = new CallbackPromiseAdapter<RegionArray, GeofencingError>(resolver);
     WebServiceWorkerRegistration* serviceWorkerRegistration = nullptr;
     if (m_registration)
         serviceWorkerRegistration = m_registration->webRegistration();
     provider->getRegisteredRegions(serviceWorkerRegistration, callbacks);
     return promise;
 }
 
 DEFINE_TRACE(Geofencing)
 {
     visitor->trace(m_registration);
 }
 
 } // namespace blink