From 0044aa9e9b6ebbb2703870effbbad52d4b0f05f9 Mon Sep 17 00:00:00 2001
From: Alexander Surkov <surkov.alexander@gmail.com>
Date: Wed, 26 Mar 2014 16:17:15 -0400
Subject: [PATCH] Bug 987026 - Crash when adopting a focused element [@
 mozilla::a11y::FocusManager::ProcessDOMFocus], r=jwei

---
 accessible/src/base/FocusManager.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/accessible/src/base/FocusManager.cpp b/accessible/src/base/FocusManager.cpp
index 24ab912e3495..eaf477352370 100644
--- a/accessible/src/base/FocusManager.cpp
+++ b/accessible/src/base/FocusManager.cpp
@@ -240,9 +240,11 @@ FocusManager::ProcessDOMFocus(nsINode* aTarget)
 
   DocAccessible* document =
     GetAccService()->GetDocAccessible(aTarget->OwnerDoc());
+  if (!document)
+    return;
 
   Accessible* target = document->GetAccessibleEvenIfNotInMapOrContainer(aTarget);
-  if (target && document) {
+  if (target) {
     // Check if still focused. Otherwise we can end up with storing the active
     // item for control that isn't focused anymore.
     nsINode* focusedNode = FocusedDOMNode();