From fdb372df0f595ffec239f965bfc831a61d2af4b2 Mon Sep 17 00:00:00 2001
From: "bzbarsky%mit.edu" <bzbarsky%mit.edu>
Date: Sat, 2 Mar 2002 01:02:16 +0000
Subject: [PATCH] Don't throw an uncaught exception on cancel.  Bug 91056,
 patch by law@netscape.com, r=bzbarsky, sr=jag, a=asa

---
 embedding/components/ui/helperAppDlg/nsHelperAppDlg.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/embedding/components/ui/helperAppDlg/nsHelperAppDlg.js b/embedding/components/ui/helperAppDlg/nsHelperAppDlg.js
index 72ac3c7548f9..9594a608b655 100644
--- a/embedding/components/ui/helperAppDlg/nsHelperAppDlg.js
+++ b/embedding/components/ui/helperAppDlg/nsHelperAppDlg.js
@@ -159,7 +159,8 @@ nsHelperAppDialog.prototype = {
         var dlgResult = picker.show();
 
         if ( dlgResult == nsIFilePicker.returnCancel ) {
-            throw Components.results.NS_ERROR_FAILURE;
+            // Null result means user cancelled.
+            return null;
         }