Update Status Area Paint Scheduling

ash/system/status_area_widget.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 "ash/system/status_area_widget.h"
 
 #include "ash/root_window_controller.h"
 #include "ash/shelf/shelf_layout_manager.h"
 #include "ash/shelf/shelf_widget.h"
 #include "ash/shell.h"
@@ skipping 99 matching lines @@
          (web_notification_tray_ &&
           web_notification_tray_->IsMouseInNotificationBubble());
 }
 
 bool StatusAreaWidget::IsMessageBubbleShown() const {
   return ((system_tray_ && system_tray_->IsAnyBubbleVisible()) ||
           (web_notification_tray_ &&
            web_notification_tray_->IsMessageCenterBubbleVisible()));
 }
 
+void StatusAreaWidget::ShelfDimChanged() {
+  web_notification_tray_->SchedulePaint();
+  system_tray_->SchedulePaint();
+#if defined(OS_CHROMEOS)
+  virtual_keyboard_tray_->SchedulePaint();
+  logout_button_tray_->SchedulePaint();
+#endif
+  overview_button_tray_->SchedulePaint();
+}
+
 void StatusAreaWidget::OnNativeWidgetActivationChanged(bool active) {
   Widget::OnNativeWidgetActivationChanged(active);
   if (active)
     status_area_widget_delegate_->SetPaneFocusAndFocusDefault();
 }
 
 void StatusAreaWidget::AddSystemTray() {
   system_tray_ = new SystemTray(this);
   status_area_widget_delegate_->AddTray(system_tray_);
 }
@@ skipping 53 matching lines @@
     web_notification_tray_->UpdateAfterLoginStatusChange(login_status);
 #if defined(OS_CHROMEOS)
   if (logout_button_tray_)
     logout_button_tray_->UpdateAfterLoginStatusChange(login_status);
 #endif
   if (overview_button_tray_)
     overview_button_tray_->UpdateAfterLoginStatusChange(login_status);
 }
 
 }  // namespace ash