[ServiceWorker] Allow waitUntil to be called multiple times asynchronously

third_party/WebKit/Source/modules/serviceworkers/RespondWithObserver.h

 // 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.
 
 #ifndef RespondWithObserver_h
 #define RespondWithObserver_h
 
 #include "core/dom/ContextLifecycleObserver.h"
 #include "core/events/EventTarget.h"
 #include "modules/ModulesExport.h"
@@ skipping 43 matching lines @@
   DECLARE_VIRTUAL_TRACE();
 
  protected:
   RespondWithObserver(ExecutionContext*, int event_id, WaitUntilObserver*);
   const int event_id_;
   double event_dispatch_time_ = 0;
 
  private:
   class ThenFunction;
 
-  void ResponseWasRejected(WebServiceWorkerResponseError);
+  void ResponseWasRejected(WebServiceWorkerResponseError, const ScriptValue&);
   void ResponseWasFulfilled(const ScriptValue&);
 
   enum State { kInitial, kPending, kDone };
   State state_;
 
   // RespondWith should ensure the ExtendableEvent is alive until the promise
   // passed to RespondWith is resolved. The lifecycle of the ExtendableEvent
   // is controlled by WaitUntilObserver, so not only
   // WaitUntilObserver::ThenFunction but RespondWith needs to have a strong
   // reference to the WaitUntilObserver.
   Member<WaitUntilObserver> observer_;
 };
 
 }  // namespace blink
 
 #endif  // RespondWithObserver_h