From bd6023522df412aebfa4e0a35a908f562759e2a0 Mon Sep 17 00:00:00 2001
From: "bzbarsky%mit.edu" <bzbarsky%mit.edu>
Date: Mon, 8 May 2006 05:31:12 +0000
Subject: [PATCH] Observe shutdown too.  Bug 336922 followup, r=mconnor,
 sr=darin, branch181=mconnor

---
 .../components/microsummaries/src/nsMicrosummaryService.js.in   | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/browser/components/microsummaries/src/nsMicrosummaryService.js.in b/browser/components/microsummaries/src/nsMicrosummaryService.js.in
index cf4b659c25b9..3f54183b6eb7 100644
--- a/browser/components/microsummaries/src/nsMicrosummaryService.js.in
+++ b/browser/components/microsummaries/src/nsMicrosummaryService.js.in
@@ -180,6 +180,7 @@ MicrosummaryService.prototype = {
     //if (!this.interfaces.some( function(v) { return iid.equals(v) } ))
     if (!iid.equals(Ci.nsIMicrosummaryService) &&
         !iid.equals(Ci.nsIObserver) &&
+        !iid.equals(Ci.nsISupportsWeakReference) &&
         !iid.equals(Ci.nsISupports))
       throw Components.results.NS_ERROR_NO_INTERFACE;
     return this;
@@ -197,6 +198,7 @@ MicrosummaryService.prototype = {
         var obs = Cc["@mozilla.org/observer-service;1"].
                   getService(Ci.nsIObserverService);
         obs.addObserver(this, "profile-after-change", false);
+        obs.addObserver(this, "xpcom-shutdown", true);
         break;
       case "profile-after-change":
         var obs = Cc["@mozilla.org/observer-service;1"].