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

ash/common/system/update/tray_update.h

Index: ash/common/system/update/tray_update.h
diff --git a/ash/system/update/tray_update.h b/ash/common/system/update/tray_update.h
similarity index 88%
rename from ash/system/update/tray_update.h
rename to ash/common/system/update/tray_update.h
index 70c970e2f69ccae348780fa122aa08ab30820cd6..3850804bc888a2ba3efca6e12f41ecdae7475540 100644
--- a/ash/system/update/tray_update.h
+++ b/ash/common/system/update/tray_update.h
@@ -2,11 +2,11 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef ASH_SYSTEM_UPDATE_TRAY_UPDATE_H_
-#define ASH_SYSTEM_UPDATE_TRAY_UPDATE_H_
+#ifndef ASH_COMMON_SYSTEM_UPDATE_TRAY_UPDATE_H_
+#define ASH_COMMON_SYSTEM_UPDATE_TRAY_UPDATE_H_
 
 #include "ash/ash_export.h"
-#include "ash/system/tray/tray_image_item.h"
+#include "ash/common/system/tray/tray_image_item.h"
 #include "base/macros.h"
 
 namespace views {
@@ -52,4 +52,4 @@ class ASH_EXPORT TrayUpdate : public TrayImageItem {
 
 }  // namespace ash
 
-#endif  // ASH_SYSTEM_UPDATE_TRAY_UPDATE_H_
+#endif  // ASH_COMMON_SYSTEM_UPDATE_TRAY_UPDATE_H_