Revert "chromeos: Move files in //ash/common to //ash, part 2"

ash/common/shelf/shelf_item_delegate.h

 // 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.
 
-#ifndef ASH_SHELF_SHELF_ITEM_DELEGATE_H_
-#define ASH_SHELF_SHELF_ITEM_DELEGATE_H_
+#ifndef ASH_COMMON_SHELF_SHELF_ITEM_DELEGATE_H_
+#define ASH_COMMON_SHELF_SHELF_ITEM_DELEGATE_H_
 
 #include <stdint.h>
 
 #include "ash/ash_export.h"
 #include "ash/public/cpp/shelf_application_menu_item.h"
 #include "ash/public/cpp/shelf_types.h"
 #include "ui/events/event_constants.h"
 
 namespace ash {
 
@@ skipping 24 matching lines @@
   virtual void ExecuteCommand(uint32_t command_id, int event_flags) = 0;
 
   // Closes all windows associated with this item.
   virtual void Close() = 0;
 
   DISALLOW_COPY_AND_ASSIGN(ShelfItemDelegate);
 };
 
 }  // namespace ash
 
-#endif  // ASH_SHELF_SHELF_ITEM_DELEGATE_H_
+#endif  // ASH_COMMON_SHELF_SHELF_ITEM_DELEGATE_H_