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

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 14 matching lines @@
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * 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 "core/dom/DOMError.h"
+#include "heap/Handle.h"
 #include "public/platform/WebServiceWorkerError.h"
 #include "wtf/PassOwnPtr.h"
 
 namespace WebCore {
 
 class ServiceWorkerError {
 public:
     // For CallbackPromiseAdapter
     typedef blink::WebServiceWorkerError WebType;
-    static PassRefPtr<DOMError> from(WebType* webErrorRaw)
+    static PassRefPtrWillBeRawPtr<DOMError> from(WebType* webErrorRaw)
     {
         OwnPtr<WebType> webError = adoptPtr(webErrorRaw);
-        RefPtr<DOMError> error = DOMError::create(errorString(webError->errorType), webError->message);
+        RefPtrWillBeRawPtr<DOMError> error = DOMError::create(errorString(webError->errorType), webError->message);
         return error.release();
     }
 
 private:
     static String errorString(blink::WebServiceWorkerError::ErrorType);
     WTF_MAKE_NONCOPYABLE(ServiceWorkerError);
     ServiceWorkerError() WTF_DELETED_FUNCTION;
 };
 
 } // namespace WebCore
 
 #endif // ServiceWorkerError_h