backing out addition so we can figure out why it doesn't compile.

widget/src/gtk/nsWidget.cpp

@@ -309,6 +309,7 @@ NS_IMETHODIMP nsWidget::Destroy(void)
   // are released
   nsBaseWidget::Destroy();
 
+#if SHORTBUS
   // just to be safe. If we're going away and for some reason we're still
   // the rollup widget, rollup and turn off capture.
   nsCOMPtr<nsIWidget> rollupWidget = do_QueryReferent(gRollupWidget);
@@ -318,6 +319,7 @@ NS_IMETHODIMP nsWidget::Destroy(void)
     gRollupWidget = nsnull;
     gRollupListener = nsnull;
   }
+#endif
 
   // destroy our native windows
   DestroyNative();