CallbackPromiseAdapter types should be more compatible with WebCallbacks (3/3).

Source/modules/serviceworkers/ServiceWorkerError.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 ServiceWorkerError_h
 #define ServiceWorkerError_h
 
 #include "platform/heap/Handle.h"
 #include "public/platform/WebServiceWorkerError.h"
-#include "wtf/OwnPtr.h"
-#include "wtf/PassOwnPtr.h"
 
 namespace blink {
 
 class DOMException;
 class ScriptPromiseResolver;
 
 class ServiceWorkerError {
 public:
     // For CallbackPromiseAdapter
-    using WebType = OwnPtr<WebServiceWorkerError>;
-    static DOMException* take(ScriptPromiseResolver*, PassOwnPtr<WebServiceWorkerError> webError);
+    using WebType = const WebServiceWorkerError&;
+    static DOMException* take(ScriptPromiseResolver*, const WebServiceWorkerError& webError);
 
 private:
     WTF_MAKE_NONCOPYABLE(ServiceWorkerError);
     ServiceWorkerError() = delete;
 };
 
 } // namespace blink
 
 #endif // ServiceWorkerError_h