webNav->LoadURI(NS_ConvertASCIItoUCS2(text).GetUnicode(), nsIWebNavigation::LOAD_FLAGS_NONE);
webNav->LoadURI(NS_ConvertASCIItoUCS2(text).get(), nsIWebNavigation::LOAD_FLAGS_NONE);
url_activate_cb( GtkEditable *widget, nsIWebBrowserChrome *browser){  gchar *text = gtk_editable_get_chars(widget, 0, -1);  g_print("loading url %s\n", text);  if (browser)  {      nsCOMPtr<nsIWebBrowser> webBrowser;      browser->GetWebBrowser(getter_AddRefs(webBrowser));      nsCOMPtr<nsIWebNavigation> webNav(do_QueryInterface(webBrowser));      if (webNav)	  webNav->LoadURI(NS_ConvertASCIItoUCS2(text).GetUnicode(), nsIWebNavigation::LOAD_FLAGS_NONE);  }         g_free(text);}