From ec6e1ad2c619f10f39feb1fbd27b90c924c91d30 Mon Sep 17 00:00:00 2001
From: "bryner%brianryner.com" <bryner%brianryner.com>
Date: Tue, 21 Jun 2005 02:18:57 +0000
Subject: [PATCH] Make sure to null out the pres context's container when
 putting the page into session history (bug 297173). r+sr=dbaron, a=brendan.

---
 layout/base/nsDocumentViewer.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/layout/base/nsDocumentViewer.cpp b/layout/base/nsDocumentViewer.cpp
index 532cad110e5a..fa8342747340 100644
--- a/layout/base/nsDocumentViewer.cpp
+++ b/layout/base/nsDocumentViewer.cpp
@@ -1393,8 +1393,10 @@ DocumentViewerImpl::Destroy()
 
     if (mDocument)
       mDocument->SetContainer(nsnull);
-    if (mPresContext)
+    if (mPresContext) {
       mPresContext->SetLinkHandler(nsnull);
+      mPresContext->SetContainer(nsnull);
+    }
 
     return NS_OK;
   }