mash: Move ShelfModel* to ash/public/cpp.

ash/shelf/shelf_window_watcher_item_delegate.cc

 // Copyright 2013 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/shelf/shelf_window_watcher_item_delegate.h"
 
 #include <utility>
 
+#include "ash/public/cpp/shelf_model.h"
 #include "ash/public/cpp/window_properties.h"
 #include "ash/shelf/shelf_controller.h"
-#include "ash/shelf/shelf_model.h"
 #include "ash/shell.h"
 #include "ash/wm/window_state.h"
 #include "ash/wm/window_util.h"
 #include "ui/aura/client/aura_constants.h"
 #include "ui/aura/window.h"
 #include "ui/events/event_constants.h"
 #include "ui/wm/core/window_animations.h"
 
 namespace ash {
 
@@ skipping 46 matching lines @@
 }
 
 void ShelfWindowWatcherItemDelegate::ExecuteCommand(uint32_t command_id,
                                                     int32_t event_flags) {}
 
 void ShelfWindowWatcherItemDelegate::Close() {
   wm::CloseWidgetForWindow(window_);
 }
 
 }  // namespace ash