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

ash/system/supervised/tray_supervised_user.h

Index: ash/system/supervised/tray_supervised_user.h
diff --git a/ash/common/system/chromeos/supervised/tray_supervised_user.h b/ash/system/supervised/tray_supervised_user.h
similarity index 80%
rename from ash/common/system/chromeos/supervised/tray_supervised_user.h
rename to ash/system/supervised/tray_supervised_user.h
index a066fe869a9268e1791ccd9468d88dac4b5eddbb..245126347324386758f42ef126dc2a848b76f6d8 100644
--- a/ash/common/system/chromeos/supervised/tray_supervised_user.h
+++ b/ash/system/supervised/tray_supervised_user.h
@@ -2,13 +2,13 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef ASH_COMMON_SYSTEM_CHROMEOS_SUPERVISED_TRAY_SUPERVISED_USER_H_
-#define ASH_COMMON_SYSTEM_CHROMEOS_SUPERVISED_TRAY_SUPERVISED_USER_H_
+#ifndef ASH_SYSTEM_SUPERVISED_TRAY_SUPERVISED_USER_H_
+#define ASH_SYSTEM_SUPERVISED_TRAY_SUPERVISED_USER_H_
 
 #include "ash/ash_export.h"
-#include "ash/common/system/chromeos/supervised/custodian_info_tray_observer.h"
-#include "ash/common/system/tray/system_tray_item.h"
-#include "ash/common/system/tray/view_click_listener.h"
+#include "ash/system/supervised/custodian_info_tray_observer.h"
+#include "ash/system/tray/system_tray_item.h"
+#include "ash/system/tray/view_click_listener.h"
 #include "base/macros.h"
 #include "base/strings/string16.h"
 
@@ -62,4 +62,4 @@ class ASH_EXPORT TraySupervisedUser : public SystemTrayItem,
 
 }  // namespace ash
 
-#endif  // ASH_COMMON_SYSTEM_CHROMEOS_SUPERVISED_TRAY_SUPERVISED_USER_H_
+#endif  // ASH_SYSTEM_SUPERVISED_TRAY_SUPERVISED_USER_H_