Clean up unnecessary PassRefPtr.h include in modules

Source/modules/filesystem/WorkerGlobalScopeFileSystem.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 11 matching lines @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *
  */
 
 #ifndef WorkerGlobalScopeFileSystem_h
 #define WorkerGlobalScopeFileSystem_h
 
 #include "modules/filesystem/DOMFileSystemSync.h"
 #include "platform/heap/Handle.h"
-#include "wtf/PassRefPtr.h"
 
 namespace WebCore {
 
 class EntryCallback;
 class EntrySync;
 class ErrorCallback;
 class ExceptionState;
 class FileSystemCallback;
 class WorkerGlobalScope;
 
@@ skipping 10 matching lines @@
     static PassRefPtrWillBeRawPtr<EntrySync> webkitResolveLocalFileSystemSyncURL(WorkerGlobalScope&, const String& url, ExceptionState&);
 
 private:
     WorkerGlobalScopeFileSystem();
     ~WorkerGlobalScopeFileSystem();
 };
 
 } // namespace WebCore
 
 #endif // WorkerGlobalScopeFileSystem_h