Make WebTaskRunner ThreadSafeRefCounted

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 5caf8327657fefd0915ba98ac4627751c6fcd155..c169a2afc2857e6bdf103a88960748d03cac3b0d 100644
--- a/third_party/WebKit/Source/core/fetch/ResourceLoader.h
+++ b/third_party/WebKit/Source/core/fetch/ResourceLoader.h
@@ -52,14 +52,14 @@ class CORE_EXPORT ResourceLoader final
   DECLARE_TRACE();
 
   void start(const ResourceRequest&,
-             WebTaskRunner* loadingTaskRunner,
+             RefPtr<WebTaskRunner> loadingTaskRunner,
              bool defersLoading);
 
   // This method is currently only used for service worker fallback request and
   // cache-aware loading, other users should be careful not to break
   // ResourceLoader state.
   void restart(const ResourceRequest&,
-               WebTaskRunner* loadingTaskRunner,
+               RefPtr<WebTaskRunner> loadingTaskRunner,
                bool defersLoading);
 
   void cancel();