Fulfill or reject MIDIAccessPromise from MIDIAccessor

Source/modules/webmidi/MIDIAccessPromise.cpp

 /*
  * 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 58 matching lines @@
             m_options.clear();
         } else {
             m_state = Accepted;
         }
         unsetPendingActivity(this);
     }
     m_successCallback.clear();
     m_errorCallback.clear();
 }
 
-void MIDIAccessPromise::reject(DOMError* error)
+void MIDIAccessPromise::reject(PassRefPtr<DOMError> error)
 {
     if (m_state == Pending) {
         if (m_errorCallback) {
             m_state = Invoked;
-            m_errorCallback->handleEvent(error);
+            m_errorCallback->handleEvent(error.leakRef());
         } else {
             m_state = Rejected;
-            m_error = adoptRef(error);
+            m_error = error;
         }
         unsetPendingActivity(this);
     }
     m_successCallback.clear();
     m_errorCallback.clear();
 }
 
 void MIDIAccessPromise::then(PassRefPtr<MIDISuccessCallback> successCallback, PassRefPtr<MIDIErrorCallback> errorCallback)
 {
     switch (m_state) {
@@ skipping 11 matching lines @@
         m_errorCallback = errorCallback;
         break;
     case Invoked:
         break;
     default:
         ASSERT_NOT_REACHED();
     }
 }
 
 } // namespace WebCore