bug 392040, SELECT menu requires multiple clicks to show up on some pages. This also happened when using full page zoom. r+sr=roc, a=blocking1.9+

layout/generic/nsContainerFrame.cpp

@@ -542,7 +542,7 @@ nsContainerFrame::SyncFrameViewProperties(nsPresContext*  aPresContext,
       // visible in all cases because the scrollbars will be showing
       // XXXldb Does the view system really enforce this correctly?
       viewIsVisible = PR_FALSE;
-    } else if (aFrame->GetType() == nsGkAtoms::menuPopupFrame) {
+    } else if (aFrame->GetType() == nsGkAtoms::menuPopupFrame || aFrame->GetType() == nsGkAtoms::listControlFrame) {
       // if the view is for a popup, don't show the view if the popup is closed
       nsIWidget* widget = aView->GetWidget();
       if (widget) {