blink: Cleanup class forward declarations

third_party/WebKit/Source/modules/serviceworkers/ServiceWorkerClient.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 ServiceWorkerClient_h
 #define ServiceWorkerClient_h
 
 #include "bindings/core/v8/ScriptPromise.h"
 #include "bindings/core/v8/ScriptWrappable.h"
 #include "bindings/core/v8/SerializedScriptValue.h"
 #include "modules/ModulesExport.h"
 #include "platform/heap/Handle.h"
 #include "public/platform/modules/serviceworker/WebServiceWorkerClientsInfo.h"
 #include "wtf/Forward.h"
 #include <memory>
 
 namespace blink {
 
 class ExecutionContext;
 class ScriptPromiseResolver;
-class ScriptState;
 
 class MODULES_EXPORT ServiceWorkerClient
     : public GarbageCollectedFinalized<ServiceWorkerClient>,
       public ScriptWrappable {
   DEFINE_WRAPPERTYPEINFO();
 
  public:
   // To be used by CallbackPromiseAdapter.
   using WebType = std::unique_ptr<WebServiceWorkerClientInfo>;
 
@@ skipping 23 matching lines @@
 
  private:
   String m_uuid;
   String m_url;
   WebURLRequest::FrameType m_frameType;
 };
 
 }  // namespace blink
 
 #endif  // ServiceWorkerClient_h