Reset ResourceLoader::m_loader in the pre-finalizer

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

Index: third_party/WebKit/Source/core/fetch/ResourceLoader.h
diff --git a/third_party/WebKit/Source/core/fetch/ResourceLoader.h b/third_party/WebKit/Source/core/fetch/ResourceLoader.h
index b836a4693f80a1129631b31ce32a8356b4e6967e..c8f0261ad9a106c638890b5664e17d855d424056 100644
--- a/third_party/WebKit/Source/core/fetch/ResourceLoader.h
+++ b/third_party/WebKit/Source/core/fetch/ResourceLoader.h
@@ -51,6 +51,8 @@ class ResourceFetcher;
 class CORE_EXPORT ResourceLoader final
     : public GarbageCollectedFinalized<ResourceLoader>,
       protected WebURLLoaderClient {
+  USING_PRE_FINALIZER(ResourceLoader, dispose);
+
  public:
   static ResourceLoader* create(ResourceFetcher*, Resource*);
   ~ResourceLoader() override;
@@ -121,6 +123,7 @@ class CORE_EXPORT ResourceLoader final
   void cancelForRedirectAccessCheckError(const KURL&,
                                          ResourceRequestBlockedReason);
   void requestSynchronously(const ResourceRequest&);
+  void dispose();
 
   std::unique_ptr<WebURLLoader> m_loader;
   Member<ResourceFetcher> m_fetcher;