From 7191d20f10ff6b1009abed241aebe45e7d62d1f2 Mon Sep 17 00:00:00 2001
From: Trevor Saunders <tbsaunde@tbsaunde.org>
Date: Wed, 5 Aug 2015 10:20:57 -0400
Subject: [PATCH] bug 1170049 - check if document tree is correct before
 cleaning it up r=lsocks

---
 accessible/ipc/DocAccessibleParent.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/accessible/ipc/DocAccessibleParent.h b/accessible/ipc/DocAccessibleParent.h
index 095cb9570a2..c983c4af5dc 100644
--- a/accessible/ipc/DocAccessibleParent.h
+++ b/accessible/ipc/DocAccessibleParent.h
@@ -72,6 +72,7 @@ public:
   void Destroy();
   virtual void ActorDestroy(ActorDestroyReason aWhy) override
   {
+    CheckDocTree();
     if (!mShutdown)
       Destroy();
   }