From 344db7454bb37c769c9970026fb81f659fb5291d Mon Sep 17 00:00:00 2001
From: "sfraser%netscape.com"
 <sfraser%netscape.com@18797224-902f-48f8-a5cc-f745e15eee43>
Date: Sat, 19 Jun 1999 21:48:53 +0000
Subject: [PATCH] Comments to make the ownership model clearer

git-svn-id: svn://10.0.0.236/trunk@35917 18797224-902f-48f8-a5cc-f745e15eee43
---
 mozilla/xpfe/appshell/src/nsAppShellService.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/mozilla/xpfe/appshell/src/nsAppShellService.cpp b/mozilla/xpfe/appshell/src/nsAppShellService.cpp
index c6b77a0aed5..a0845c63512 100644
--- a/mozilla/xpfe/appshell/src/nsAppShellService.cpp
+++ b/mozilla/xpfe/appshell/src/nsAppShellService.cpp
@@ -472,8 +472,12 @@ nsAppShellService::CreateTopLevelWindow(nsIWebShellWindow *aParent,
     rv = window->Initialize((nsIWebShellWindow *) nsnull, mAppShell, aUrl,
                             anObserver, aCallbacks,
                             aInitialWidth, aInitialHeight);
-    if (NS_SUCCEEDED(rv)) {
+    if (NS_SUCCEEDED(rv))
+    {
+      // this does the AddRef of the return value
       rv = window->QueryInterface(kIWebShellWindowIID, (void **) &aResult);
+      
+      // the addref resulting from this is the owning addref for this window
       RegisterTopLevelWindow(window);
       if (showWindow)
 				window->Show(PR_TRUE);