nsChannelListener::OnDataAvailable(nsIChannel *aChannel, nsISupports *aContext, nsIInputStream *aInStream, PRUint32 aOffset, PRUint32 aCount)
NS_METHOD nsDocumentBindInfo::OnDataAvailable(nsIChannel* channel, nsISupports *ctxt, nsIInputStream *aStream, PRUint32 sourceOffset, PRUint32 aLength)
nsChannelListener::OnDataAvailable(nsIChannel *aChannel, nsISupports *aContext,                                   nsIInputStream *aInStream, PRUint32 aOffset,                                   PRUint32 aCount){  return mNextListener->OnDataAvailable(aChannel, aContext, aInStream,                                         aOffset, aCount);}