39      else if (file_.IsValid())  in PassFile()
100     error_ = file_.IsValid() ? File::FILE_OK : file_.error_details();  in RunWork()
133     if (file_.IsValid()) {  in RunWork()
238   if (file_.IsValid())  in ~FileProxy()
245   DCHECK(!file_.IsValid());  in CreateOrOpen()
256   DCHECK(!file_.IsValid());  in CreateTemporary()
266 bool FileProxy::IsValid() const {  in IsValid()  function in base::FileProxy
267   return file_.IsValid();  in IsValid()
271   DCHECK(!file_.IsValid());  in SetFile()
288   DCHECK(file_.IsValid());  in Close()
296   DCHECK(file_.IsValid());  in GetInfo()
304   DCHECK(file_.IsValid());  in Read()
318   DCHECK(file_.IsValid());  in Write()
332   DCHECK(file_.IsValid());  in SetTimes()
342   DCHECK(file_.IsValid());  in SetLength()
351   DCHECK(file_.IsValid());  in Flush()