nsSyncHelper::OnDataAvailable(nsIRequest *request,
nsSyncHelper::OnDataAvailable(nsIChannel *aChannel,
nsSyncHelper::OnDataAvailable(nsIRequest *request,                              nsISupports *aContext,                              nsIInputStream *aInStream,                              PRUint32 aOffset, PRUint32 aCount){        return mListener->OnDataAvailable(request, aContext, aInStream,                                      aOffset, aCount);}