mash: Move MultiProfileMediaTrayItem to ash/common.

ash/common/system/chromeos/media_security/multi_profile_media_tray_item.h

 // Copyright 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_CHROMEOS_MEDIA_SECURITY_MULTI_PROFILE_MEDIA_TRAY_ITEM_H_
-#define ASH_SYSTEM_CHROMEOS_MEDIA_SECURITY_MULTI_PROFILE_MEDIA_TRAY_ITEM_H_
+#ifndef ASH_COMMON_SYSTEM_CHROMEOS_MEDIA_SECURITY_MULTI_PROFILE_MEDIA_TRAY_ITEM_H_
+#define ASH_COMMON_SYSTEM_CHROMEOS_MEDIA_SECURITY_MULTI_PROFILE_MEDIA_TRAY_ITEM_H_
 
 #include "ash/common/system/tray/system_tray_item.h"
 #include "base/macros.h"
-#include "ui/message_center/notification_delegate.h"
-#include "ui/views/view.h"
 
 namespace ash {
+
 namespace tray {
 class MultiProfileMediaTrayView;
 }
 
 // The tray item for media recording.
 class ASH_EXPORT MultiProfileMediaTrayItem : public SystemTrayItem {
  public:
   explicit MultiProfileMediaTrayItem(SystemTray* system_tray);
   ~MultiProfileMediaTrayItem() override;
 
   // SystemTrayItem:
   views::View* CreateTrayView(LoginStatus status) override;
   void DestroyTrayView() override;
 
  private:
   tray::MultiProfileMediaTrayView* tray_view_;
 
   DISALLOW_COPY_AND_ASSIGN(MultiProfileMediaTrayItem);
 };
 
 }  // namespace ash
 
-#endif  // ASH_SYSTEM_CHROMEOS_MEDIA_SECURITY_MULTI_PROFILE_MEDIA_TRAY_ITEM_H_
+#endif  // ASH_COMMON_SYSTEM_CHROMEOS_MEDIA_SECURITY_MULTI_PROFILE_MEDIA_TRAY_ITEM_H_