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

ui/aura/monitor_manager.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ui/aura/monitor_manager.h"
 
 #include <stdio.h>
 
 #include "ui/aura/env.h"
 #include "ui/aura/monitor.h"
@@ skipping 48 matching lines @@
 
 void MonitorManager::RemoveObserver(MonitorObserver* observer) {
   observers_.RemoveObserver(observer);
 }
 
 void MonitorManager::NotifyBoundsChanged(const Monitor* monitor) {
   FOR_EACH_OBSERVER(MonitorObserver, observers_,
                     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