mash: Move most files in //ash/system/tray to //ash/common/system/tray

ash/common/system/tray/tray_popup_item_container.h

 // Copyright (c) 2014 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_SYSTEM_TRAY_TRAY_POPUP_ITEM_CONTAINER_H_
-#define ASH_SYSTEM_TRAY_TRAY_POPUP_ITEM_CONTAINER_H_
+#ifndef ASH_COMMON_SYSTEM_TRAY_TRAY_POPUP_ITEM_CONTAINER_H_
+#define ASH_COMMON_SYSTEM_TRAY_TRAY_POPUP_ITEM_CONTAINER_H_
 
 #include "base/macros.h"
 #include "ui/views/view.h"
 
 namespace ash {
 
 // A view which can optionally change the background color when a mouse is
 // hovering or a user is interacting via touch.
 class TrayPopupItemContainer : public views::View {
  public:
@@ skipping 25 matching lines @@
 
   // True if mouse hover and touch feedback can alter the background color of
   // the container.
   bool change_background_;
 
   DISALLOW_COPY_AND_ASSIGN(TrayPopupItemContainer);
 };
 
 }  // namespace ash
 
-#endif  // ASH_SYSTEM_TRAY_TRAY_POPUP_ITEM_CONTAINER_H_
+#endif  // ASH_COMMON_SYSTEM_TRAY_TRAY_POPUP_ITEM_CONTAINER_H_