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

Source/modules/filesystem/FileWriter.h

 /*
  * Copyright (C) 2010 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 18 matching lines @@
  */
 
 #ifndef FileWriter_h
 #define FileWriter_h
 
 #include "bindings/v8/ScriptWrappable.h"
 #include "core/dom/ActiveDOMObject.h"
 #include "core/dom/ExecutionContext.h"
 #include "core/events/EventTarget.h"
 #include "core/fileapi/FileError.h"
+#include "heap/Handle.h"
 #include "modules/filesystem/FileWriterBase.h"
 #include "public/platform/WebFileWriterClient.h"
 #include "wtf/PassRefPtr.h"
 #include "wtf/RefPtr.h"
 
 namespace WebCore {
 
 class Blob;
 class ExceptionState;
 class ExecutionContext;
@@ skipping 50 matching lines @@
     void completeAbort();
 
     void doOperation(Operation);
 
     void signalCompletion(FileError::ErrorCode);
 
     void fireEvent(const AtomicString& type);
 
     void setError(FileError::ErrorCode, ExceptionState&);
 
-    RefPtr<FileError> m_error;
+    RefPtrWillBePersistent<FileError> m_error;
     ReadyState m_readyState;
     Operation m_operationInProgress;
     Operation m_queuedOperation;
     long long m_bytesWritten;
     long long m_bytesToWrite;
     long long m_truncateLength;
     long long m_numAborts;
     long long m_recursionDepth;
     double m_lastProgressNotificationTimeMS;
-    RefPtr<Blob> m_blobBeingWritten;
+    RefPtrWillBePersistent<Blob> m_blobBeingWritten;
 };
 
 } // namespace WebCore
 
 #endif // FileWriter_h