nsIInputStream* aPostDataStream, nsIInputStream* aHeadersDataStream)
nsIPostData* aPostData)
nsWebShell::OnLinkClick(nsIContent* aContent,                        nsLinkVerb aVerb,                        nsIURI* aURI,                        const PRUnichar* aTargetSpec,                        nsIInputStream* aPostDataStream,                        nsIInputStream* aHeadersDataStream){  OnLinkClickEvent* ev;  ev = new OnLinkClickEvent(this, aContent, aVerb, aURI,                            aTargetSpec, aPostDataStream, aHeadersDataStream);  if (!ev) {    return NS_ERROR_OUT_OF_MEMORY;  }  return NS_OK;}