Bug 1316145 - pass DontAssertDispatchSuccess when dispatching events because it is hard to enforce notification happens before AbstractThread shutdown. r=jya

MozReview-Commit-ID: 2SATSQfdskl

--HG--
extra : rebase_source : a9b6cfcb5633f62daa919dc0e3326469d8589837

dom/media/MediaEventSource.h

@@ -111,7 +111,7 @@ template <>
 struct EventTarget<DispatchPolicy::Async, AbstractThread> {
   static void
   Dispatch(AbstractThread* aTarget, already_AddRefed<nsIRunnable> aTask) {
-    aTarget->Dispatch(Move(aTask));
+    aTarget->Dispatch(Move(aTask), AbstractThread::DontAssertDispatchSuccess);
   }
 };