blink: Cleanup class forward declarations

third_party/WebKit/Source/modules/serviceworkers/ServiceWorkerRegistration.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 ServiceWorkerRegistration_h
 #define ServiceWorkerRegistration_h
 
 #include "bindings/core/v8/ActiveScriptWrappable.h"
 #include "bindings/core/v8/ScriptPromiseResolver.h"
 #include "core/dom/ActiveDOMObject.h"
 #include "core/events/EventTarget.h"
 #include "modules/serviceworkers/NavigationPreloadManager.h"
 #include "modules/serviceworkers/ServiceWorker.h"
 #include "modules/serviceworkers/ServiceWorkerRegistration.h"
 #include "platform/Supplementable.h"
 #include "public/platform/modules/serviceworker/WebServiceWorkerRegistration.h"
 #include "public/platform/modules/serviceworker/WebServiceWorkerRegistrationProxy.h"
 #include "wtf/Forward.h"
 #include <memory>
 
 namespace blink {
 
 class ScriptPromise;
 class ScriptState;
-class WebServiceWorkerProvider;
 
 // The implementation of a service worker registration object in Blink. Actual
 // registration representation is in the embedder and this class accesses it
 // via WebServiceWorkerRegistration::Handle object.
 class ServiceWorkerRegistration final
     : public EventTargetWithInlineData,
       public ActiveScriptWrappable,
       public ActiveDOMObject,
       public WebServiceWorkerRegistrationProxy,
       public Supplementable<ServiceWorkerRegistration> {
@@ skipping 75 matching lines @@
     for (auto& registration : *webServiceWorkerRegistrations)
       registrations.append(ServiceWorkerRegistration::getOrCreate(
           resolver->getExecutionContext(), std::move(registration)));
     return registrations;
   }
 };
 
 }  // namespace blink
 
 #endif  // ServiceWorkerRegistration_h