nsWebShell::OnLinkClick(nsIContent* aContent, nsLinkVerb aVerb, nsIURI* aURI,
nsWebShell::OnLinkClick(nsIFrame* aFrame, const PRUnichar* aURLSpec,
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;}