From a52b792c75ad3f2e6b4215608491913b9e71e919 Mon Sep 17 00:00:00 2001
From: "neil@parkwaycc.co.uk" <neil@parkwaycc.co.uk>
Date: Sun, 15 Apr 2007 04:25:53 -0700
Subject: [PATCH] Fix tooltip crash (regression from bug 376802) b=377473
 r+sr=jst

---
 layout/xul/base/src/nsXULTooltipListener.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/layout/xul/base/src/nsXULTooltipListener.cpp b/layout/xul/base/src/nsXULTooltipListener.cpp
index 12f5eb1dc076..f63e7de94b4e 100644
--- a/layout/xul/base/src/nsXULTooltipListener.cpp
+++ b/layout/xul/base/src/nsXULTooltipListener.cpp
@@ -486,7 +486,7 @@ nsXULTooltipListener::LaunchTooltip(nsIContent* aTarget, PRInt32 aX, PRInt32 aY)
     PRInt32 x = aX;
     PRInt32 y = aY;
 #ifdef MOZ_XUL
-    if (mNeedTitletip) {
+    if (mIsSourceTree && mNeedTitletip) {
       nsCOMPtr<nsITreeBoxObject> obx;
       GetSourceTreeBoxObject(getter_AddRefs(obx));
 #ifdef DEBUG_crap