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

Source/modules/webmidi/MIDIAccessPromise.h

Index: Source/modules/webmidi/MIDIAccessPromise.h
diff --git a/Source/modules/webmidi/MIDIAccessPromise.h b/Source/modules/webmidi/MIDIAccessPromise.h
index e791013283e0d9a92a1a2a3f7cec9f526ee7cf37..fc63eb807ef23a124b80c31a85f15fa408e6a414 100644
--- a/Source/modules/webmidi/MIDIAccessPromise.h
+++ b/Source/modules/webmidi/MIDIAccessPromise.h
@@ -61,7 +61,7 @@ public:
     MIDIOptions* options() { return m_options.get(); }
 
     void fulfill();
-    void reject(PassRefPtr<DOMError>);
+    void reject(PassRefPtrWillBeRawPtr<DOMError>);
 
     void then(PassOwnPtr<MIDISuccessCallback>, PassOwnPtr<MIDIErrorCallback>);
 
@@ -83,7 +83,7 @@ private:
     OwnPtr<MIDISuccessCallback> m_successCallback;
     OwnPtr<MIDIErrorCallback> m_errorCallback;
     OwnPtr<MIDIOptions> m_options;
-    RefPtr<DOMError> m_error;
+    RefPtrWillBeMember<DOMError> m_error;
     RefPtrWillBeMember<MIDIAccess> m_access;
 };