nsPluginByteRangeStreamListener::OnDataAvailable(nsIRequest *request, nsISupports *ctxt, nsIInputStream *inStr, PRUint32 sourceOffset, PRUint32 count)
nsPluginCacheListener::OnDataAvailable(nsIRequest *request, nsISupports* ctxt, nsIInputStream* aIStream, PRUint32 sourceOffset, PRUint32 aLength)
nsPluginByteRangeStreamListener::OnDataAvailable(nsIRequest *request, nsISupports *ctxt,                                nsIInputStream *inStr, PRUint32 sourceOffset, PRUint32 count){  if (!mStreamConverter)    return NS_ERROR_FAILURE;    nsCOMPtr<nsIStreamListener> finalStreamListener = do_QueryReferent(mWeakPtrPluginStreamListenerPeer);  if (!finalStreamListener)    return NS_ERROR_FAILURE;        return mStreamConverter->OnDataAvailable(request, ctxt, inStr, sourceOffset, count);}