Bug 1345036 - label shutdown event dispatching. r=jwwang

MozReview-Commit-ID: HfiocBzddNS

--HG--
extra : rebase_source : 2649dd6aa17225f14a4972b549f4270ef5ea0b7f

dom/media/android/AndroidMediaResourceServer.cpp

@@ -324,7 +324,7 @@ ServeResourceEvent::Shutdown()
   // To shutdown the current thread we need to first exit this event.
   // The Shutdown event below is posted to the main thread to do this.
   nsCOMPtr<nsIRunnable> event = new ShutdownThreadEvent(NS_GetCurrentThread());
-  NS_DispatchToMainThread(event);
+  SystemGroup::Dispatch("ServeResourceEvent::Shutdown", TaskCategory::Other, event.forget());
 }
 
 /*