Revert r128507 "Revert r128436 "relanding: disabled workspace_window_resizer test. fixed access-aft…

ui/aura/monitor_manager.cc

Index: ui/aura/monitor_manager.cc
diff --git a/ui/aura/monitor_manager.cc b/ui/aura/monitor_manager.cc
index bde77bdf8689d454716dafe1a5dfa5fede502581..c5f8d6ad88bb368a9e617331faf1c8ca1ca01ee9 100644
--- a/ui/aura/monitor_manager.cc
+++ b/ui/aura/monitor_manager.cc
@@ -66,4 +66,14 @@ void MonitorManager::NotifyBoundsChanged(const Monitor* monitor) {
                     OnMonitorBoundsChanged(monitor));
 }
 
+void MonitorManager::NotifyMonitorAdded(Monitor* monitor) {
+  FOR_EACH_OBSERVER(MonitorObserver, observers_,
+                    OnMonitorAdded(monitor));
+}
+
+void MonitorManager::NotifyMonitorRemoved(const Monitor* monitor) {
+  FOR_EACH_OBSERVER(MonitorObserver, observers_,
+                    OnMonitorRemoved(monitor));
+}
+
 }  // namespace aura