fixes bug 135547 "make event queues more robust"

r=danm sr=rpotts,brendan


git-svn-id: svn://10.0.0.236/trunk@118682 18797224-902f-48f8-a5cc-f745e15eee43

mozilla/xpcom/threads/nsEventQueue.cpp

@@ -386,6 +386,12 @@ nsEventQueueImpl::ProcessPendingEvents()
   }
 #endif
   PL_ProcessPendingEvents(mEventQueue);
+
+  // if we're no longer accepting events and there are still events in the
+  // queue, then process remaining events.
+  if (!mAcceptingEvents && PL_EventAvailable(mEventQueue))
+      PL_ProcessPendingEvents(mEventQueue);
+
   CheckForDeactivation();
 
   if (mElderQueue) {