Move VisibilityController to corewm.

ash/wm/workspace/workspace.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/workspace/workspace.h"
 
 #include "ash/shell_window_ids.h"
 #include "ash/wm/property_util.h"
 #include "ash/wm/window_animations.h"
 #include "ash/wm/window_properties.h"
 #include "ash/wm/window_util.h"
 #include "ash/wm/workspace/workspace_event_handler.h"
 #include "ash/wm/workspace/workspace_layout_manager.h"
 #include "ash/wm/workspace/workspace_manager.h"
 #include "ui/aura/window.h"
+#include "ui/views/corewm/visibility_controller.h"
 
 namespace ash {
 namespace internal {
 
 Workspace::Workspace(WorkspaceManager* manager,
                      aura::Window* parent,
                      bool is_maximized)
     : is_maximized_(is_maximized),
       workspace_manager_(manager),
       window_(new aura::Window(NULL)),
       event_handler_(new WorkspaceEventHandler(window_)),
       workspace_layout_manager_(NULL) {
-  window_->SetProperty(internal::kChildWindowVisibilityChangesAnimatedKey,
-                       true);
+  views::corewm::SetChildWindowVisibilityChangesAnimated(window_);
   SetWindowVisibilityAnimationTransition(window_, views::corewm::ANIMATE_NONE);
   window_->set_id(kShellWindowId_WorkspaceContainer);
   window_->SetName("WorkspaceContainer");
   window_->Init(ui::LAYER_NOT_DRAWN);
   // Do this so when animating out windows don't extend beyond the bounds.
   window_->layer()->SetMasksToBounds(true);
   window_->Hide();
   parent->AddChild(window_);
   window_->SetProperty(internal::kUsesScreenCoordinatesKey, true);
 
@@ skipping 46 matching lines @@
          WorkspaceManager::WillRestoreMaximized(child))) {
       if (++count == 2)
         return count;
     }
   }
   return count;
 }
 
 }  // namespace internal
 }  // namespace ash