From a3eb8e6045942781217e5219205cb54931ec1348 Mon Sep 17 00:00:00 2001
From: Olli Pettay <Olli.Pettay@helsinki.fi>
Date: Thu, 15 Feb 2018 12:07:16 +0200
Subject: [PATCH] Bug 1438357 - MozDOMPointerLock:Exited is dispatched when DOM
 is at unstable state, r=baku

---
 dom/base/nsDocument.cpp | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/dom/base/nsDocument.cpp b/dom/base/nsDocument.cpp
index 8cdb5ff96704..560afbc99e42 100644
--- a/dom/base/nsDocument.cpp
+++ b/dom/base/nsDocument.cpp
@@ -11839,10 +11839,11 @@ nsDocument::UnlockPointer(nsIDocument* aDoc)
     do_QueryReferent(EventStateManager::sPointerLockedElement);
   ChangePointerLockedElement(nullptr, doc, pointerLockedElement);
 
-  nsContentUtils::DispatchEventOnlyToChrome(
-    doc, ToSupports(pointerLockedElement),
-    NS_LITERAL_STRING("MozDOMPointerLock:Exited"),
-    /* Bubbles */ true, /* Cancelable */ false, /* DefaultAction */ nullptr);
+  RefPtr<AsyncEventDispatcher> asyncDispatcher =
+    new AsyncEventDispatcher(pointerLockedElement,
+                             NS_LITERAL_STRING("MozDOMPointerLock:Exited"),
+                             true, true);
+  asyncDispatcher->RunDOMEventWhenSafe();
 }
 
 void