Have ScriptPromiseResolver on the Oilpan heap always.

Source/modules/fetch/FetchManager.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/fetch/FetchManager.h"
 
 #include "bindings/core/v8/ExceptionState.h"
 #include "bindings/core/v8/ScriptPromiseResolver.h"
 #include "bindings/core/v8/ScriptState.h"
@@ skipping 21 matching lines @@
 #include "platform/network/ResourceResponse.h"
 #include "platform/weborigin/SecurityOrigin.h"
 #include "public/platform/WebURLRequest.h"
 #include "wtf/HashSet.h"
 
 namespace blink {
 
 class FetchManager::Loader final : public NoBaseWillBeGarbageCollectedFinalized<FetchManager::Loader>, public ThreadableLoaderClient, public ContextLifecycleObserver {
     WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(FetchManager::Loader);
 public:
-    static PassOwnPtrWillBeRawPtr<Loader> create(ExecutionContext* executionContext, FetchManager* fetchManager, PassRefPtrWillBeRawPtr<ScriptPromiseResolver> resolver, FetchRequestData* request)
+    static PassOwnPtrWillBeRawPtr<Loader> create(ExecutionContext* executionContext, FetchManager* fetchManager, ScriptPromiseResolver* resolver, FetchRequestData* request)
     {
         return adoptPtrWillBeNoop(new Loader(executionContext, fetchManager, resolver, request));
     }
 
     ~Loader() override;
     DECLARE_VIRTUAL_TRACE();
 
     void didReceiveResponse(unsigned long, const ResourceResponse&, PassOwnPtr<WebDataConsumerHandle>) override;
     void didFinishLoading(unsigned long, double) override;
     void didFail(const ResourceError&) override;
     void didFailAccessControlCheck(const ResourceError&) override;
     void didFailRedirectCheck() override;
 
     void start();
     void dispose();
 
 private:
-    Loader(ExecutionContext*, FetchManager*, PassRefPtrWillBeRawPtr<ScriptPromiseResolver>, FetchRequestData*);
+    Loader(ExecutionContext*, FetchManager*, ScriptPromiseResolver*, FetchRequestData*);
 
     void performBasicFetch();
     void performNetworkError(const String& message);
     void performHTTPFetch(bool corsFlag, bool corsPreflightFlag);
     void failed(const String& message);
     void notifyFinished();
     Document* document() const;
 
     RawPtrWillBeMember<FetchManager> m_fetchManager;
-    RefPtrWillBeMember<ScriptPromiseResolver> m_resolver;
+    PersistentWillBeMember<ScriptPromiseResolver> m_resolver;
     PersistentWillBeMember<FetchRequestData> m_request;
     RefPtr<ThreadableLoader> m_loader;
     bool m_failed;
     bool m_finished;
     int m_responseHttpStatusCode;
 };
 
-FetchManager::Loader::Loader(ExecutionContext* executionContext, FetchManager* fetchManager, PassRefPtrWillBeRawPtr<ScriptPromiseResolver> resolver, FetchRequestData* request)
+FetchManager::Loader::Loader(ExecutionContext* executionContext, FetchManager* fetchManager, ScriptPromiseResolver* resolver, FetchRequestData* request)
     : ContextLifecycleObserver(executionContext)
     , m_fetchManager(fetchManager)
     , m_resolver(resolver)
     , m_request(request)
     , m_failed(false)
     , m_finished(false)
     , m_responseHttpStatusCode(0)
 {
 }
 
@@ skipping 329 matching lines @@
 FetchManager::~FetchManager()
 {
 #if !ENABLE(OILPAN)
     if (!m_isStopped)
         stop();
 #endif
 }
 
 ScriptPromise FetchManager::fetch(ScriptState* scriptState, FetchRequestData* request)
 {
-    RefPtrWillBeRawPtr<ScriptPromiseResolver> resolver = ScriptPromiseResolver::create(scriptState);
+    ScriptPromiseResolver* resolver = ScriptPromiseResolver::create(scriptState);
     ScriptPromise promise = resolver->promise();
 
     request->setContext(WebURLRequest::RequestContextFetch);
 
-    OwnPtrWillBeRawPtr<Loader> ownLoader = Loader::create(m_executionContext, this, resolver.release(), request);
+    OwnPtrWillBeRawPtr<Loader> ownLoader = Loader::create(m_executionContext, this, resolver, request);
     Loader* loader = m_loaders.add(ownLoader.release()).storedValue->get();
     loader->start();
     return promise;
 }
 
 void FetchManager::stop()
 {
     ASSERT(!m_isStopped);
     m_isStopped = true;
     for (auto& loader : m_loaders)
@@ skipping 10 matching lines @@
 
 DEFINE_TRACE(FetchManager)
 {
 #if ENABLE(OILPAN)
     visitor->trace(m_executionContext);
     visitor->trace(m_loaders);
 #endif
 }
 
 } // namespace blink