Reset ResourceLoader::m_loader in the pre-finalizer

third_party/WebKit/Source/core/fetch/ResourceLoader.h

 /*
  * Copyright (C) 2005, 2006, 2011 Apple Inc. All rights reserved.
  *
  * 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 33 matching lines @@
 class ResourceError;
 class ResourceFetcher;
 
 // A ResourceLoader is created for each Resource by the ResourceFetcher when it
 // needs to load the specified resource. A ResourceLoader creates a
 // WebURLLoader and loads the resource using it. Any per-load logic should be
 // implemented in this class basically.
 class CORE_EXPORT ResourceLoader final
     : public GarbageCollectedFinalized<ResourceLoader>,
       protected WebURLLoaderClient {
+  USING_PRE_FINALIZER(ResourceLoader, dispose);
+
  public:
   static ResourceLoader* create(ResourceFetcher*, Resource*);
   ~ResourceLoader() override;
   DECLARE_TRACE();
 
   void start(const ResourceRequest&);
 
   void cancel();
 
   void setDefersLoading(bool);
@@ skipping 50 matching lines @@
   // ResourceLoader state.
   void restart(const ResourceRequest&);
 
   FetchContext& context() const;
   ResourceRequestBlockedReason canAccessResponse(Resource*,
                                                  const ResourceResponse&) const;
 
   void cancelForRedirectAccessCheckError(const KURL&,
                                          ResourceRequestBlockedReason);
   void requestSynchronously(const ResourceRequest&);
+  void dispose();
 
   std::unique_ptr<WebURLLoader> m_loader;
   Member<ResourceFetcher> m_fetcher;
   Member<Resource> m_resource;
   bool m_isCacheAwareLoadingActivated;
 };
 
 }  // namespace blink
 
 #endif