Clean up forward declarations in Source/core/loader

Source/core/loader/appcache/ApplicationCache.h

 /*
  * Copyright (C) 2008, 2009 Apple Inc. All Rights Reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 20 matching lines @@
 #include "core/frame/DOMWindowProperty.h"
 #include "platform/heap/Handle.h"
 #include "wtf/Forward.h"
 #include "wtf/PassRefPtr.h"
 #include "wtf/RefCounted.h"
 
 namespace blink {
 
 class ExceptionState;
 class LocalFrame;
-class KURL;
 
 class ApplicationCache FINAL : public RefCountedWillBeGarbageCollectedFinalized<ApplicationCache>, public EventTargetWithInlineData, public DOMWindowProperty {
     DEFINE_WRAPPERTYPEINFO();
     REFCOUNTED_EVENT_TARGET(ApplicationCache);
     WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(ApplicationCache);
 public:
     static PassRefPtrWillBeRawPtr<ApplicationCache> create(LocalFrame* frame)
     {
         return adoptRefWillBeNoop(new ApplicationCache(frame));
     }
@@ skipping 31 matching lines @@
 
 private:
     explicit ApplicationCache(LocalFrame*);
 
     ApplicationCacheHost* applicationCacheHost() const;
 };
 
 } // namespace blink
 
 #endif // ApplicationCache_h