Revert "chromeos: Move files in //ash/common to //ash, part 1"

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

Index: ash/common/system/chromeos/media_security/multi_profile_media_tray_item.h
diff --git a/ash/system/media_security/multi_profile_media_tray_item.h b/ash/common/system/chromeos/media_security/multi_profile_media_tray_item.h
similarity index 66%
rename from ash/system/media_security/multi_profile_media_tray_item.h
rename to ash/common/system/chromeos/media_security/multi_profile_media_tray_item.h
index 6c2718a5e222a26b336bdcfde4aacb64e86f8366..d4c9aa916cce4833bf54581929a983a3559c23d4 100644
--- a/ash/system/media_security/multi_profile_media_tray_item.h
+++ b/ash/common/system/chromeos/media_security/multi_profile_media_tray_item.h
@@ -2,10 +2,10 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef ASH_SYSTEM_MEDIA_SECURITY_MULTI_PROFILE_MEDIA_TRAY_ITEM_H_
-#define ASH_SYSTEM_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/system/tray/system_tray_item.h"
+#include "ash/common/system/tray/system_tray_item.h"
 #include "base/macros.h"
 
 namespace ash {
@@ -25,4 +25,4 @@ class ASH_EXPORT MultiProfileMediaTrayItem : public SystemTrayItem {
 
 }  // namespace ash
 
-#endif  // ASH_SYSTEM_MEDIA_SECURITY_MULTI_PROFILE_MEDIA_TRAY_ITEM_H_
+#endif  // ASH_COMMON_SYSTEM_CHROMEOS_MEDIA_SECURITY_MULTI_PROFILE_MEDIA_TRAY_ITEM_H_