Oilpan: move core/fileapi to oilpan's heap.

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 69 matching lines @@
             m_state = Invoked;
             ASSERT(m_access);
             m_successCallback->handleEvent(m_access.get(), m_options->sysex);
             clear();
         } else {
             m_state = Accepted;
         }
     }
 }
 
-void MIDIAccessPromise::reject(PassRefPtr<DOMError> error)
+void MIDIAccessPromise::reject(PassRefPtrWillBeRawPtr<DOMError> error)
 {
     if (m_state == Pending) {
         if (m_errorCallback) {
             m_state = Invoked;
             m_errorCallback->handleEvent(error.get());
             clear();
         } else {
             m_state = Rejected;
             m_error = error;
         }
@@ skipping 33 matching lines @@
     ASSERT(m_state == Invoked);
     m_access.clear();
     m_error.clear();
     m_options.clear();
     m_successCallback.clear();
     m_errorCallback.clear();
 }
 
 void MIDIAccessPromise::trace(Visitor* visitor)
 {
+    visitor->trace(m_error);
     visitor->trace(m_access);
 }
 
 } // namespace WebCore