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 30264c8e787d22261d974db1b6b4ec88ae6ccd05..cf529a8a79bbc6de25ecaa35cd04baa70aaadc97 100644
--- a/Source/modules/webmidi/MIDIAccessPromise.h
+++ b/Source/modules/webmidi/MIDIAccessPromise.h
@@ -62,7 +62,7 @@ public:
     MIDIOptions* options() { return m_options.get(); }
 
     void fulfill();
-    void reject(PassRefPtr<DOMError>);
+    void reject(PassRefPtrWillBeRawPtr<DOMError>);
 
     void then(PassOwnPtr<MIDISuccessCallback>, PassOwnPtr<MIDIErrorCallback>);
 
@@ -84,7 +84,7 @@ 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;
 };