Add new animations in second implementation.

ash/root_window_controller.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/root_window_controller.h"
 
 #include <vector>
 
 #include "ash/desktop_background/desktop_background_widget_controller.h"
 #include "ash/display/display_controller.h"
@@ skipping 598 matching lines @@
       "DragImageAndTooltipContainer",
       lock_screen_related_containers);
   SetChildWindowVisibilityChangesAnimated(drag_drop_container);
   SetUsesScreenCoordinates(drag_drop_container);
 
   aura::Window* overlay_container = CreateContainer(
       kShellWindowId_OverlayContainer,
       "OverlayContainer",
       lock_screen_related_containers);
   SetUsesScreenCoordinates(overlay_container);
+
+  CreateContainer(kShellWindowId_PowerButtonAnimationContainer,
+                  "PowerButtonAnimationContainer", root_window) ;
 }
 
 }  // namespace internal
 }  // namespace ash