Acquire all layers when hiding window gets destroyed.

ash/wm/visibility_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/wm/visibility_controller.h"
 
 #include "ash/wm/window_animations.h"
 #include "ui/aura/window.h"
 
 namespace ash {
@@ skipping 17 matching lines @@
 }
 
 VisibilityController::~VisibilityController() {
 }
 
 void VisibilityController::UpdateLayerVisibility(aura::Window* window,
                                                  bool visible) {
   bool animated = GetChildWindowVisibilityChangesAnimated(window->parent()) &&
                   window->type() != aura::client::WINDOW_TYPE_CONTROL &&
                   window->type() != aura::client::WINDOW_TYPE_UNKNOWN;
-  if (animated)
-    AnimateOnChildWindowVisibilityChanged(window, visible);
+  animated = animated && AnimateOnChildWindowVisibilityChanged(window, visible);
 
   // When a window is made visible, we always make its layer visible
   // immediately. When a window is hidden, the layer must be left visible and
   // only made not visible once the animation is complete.
   if (!animated || visible)
     window->layer()->SetVisible(visible);
 }
 
 }  // namespace internal
 
 void SetChildWindowVisibilityChangesAnimated(aura::Window* window) {
   window->SetIntProperty(internal::kChildWindowVisibilityChangesAnimated, 1);
 }
 
 }  // namespace ash