Include wtf/RefCounted.h less often in modules/

Source/modules/quota/StorageErrorCallback.h

 /*
  * Copyright (C) 2013 Google 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 15 matching lines @@
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (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 StorageErrorCallback_h
 #define StorageErrorCallback_h
 
 #include "core/dom/ExecutionContext.h"
 #include "core/dom/ExecutionContextTask.h"
-#include "wtf/PassOwnPtr.h"
+#include "wtf/Forward.h"
 
 namespace WebCore {
 
 class DOMError;
 
 typedef int ExceptionCode;
 
 class StorageErrorCallback {
 public:
     virtual ~StorageErrorCallback() { }
@@ skipping 12 matching lines @@
         CallbackTask(PassOwnPtr<StorageErrorCallback>, ExceptionCode);
 
         OwnPtr<StorageErrorCallback> m_callback;
         ExceptionCode m_ec;
     };
 };
 
 } // namespace WebCore
 
 #endif // StorageErrorCallback_h