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

ash/common/system/chromeos/network/sms_observer.h

Index: ash/common/system/chromeos/network/sms_observer.h
diff --git a/ash/system/network/sms_observer.h b/ash/common/system/chromeos/network/sms_observer.h
similarity index 81%
rename from ash/system/network/sms_observer.h
rename to ash/common/system/chromeos/network/sms_observer.h
index b304005f856dca75d1e2956072f97d60de295a4c..72a2e0cbcca2c66212828d513678186425dd5430 100644
--- a/ash/system/network/sms_observer.h
+++ b/ash/common/system/chromeos/network/sms_observer.h
@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef ASH_SYSTEM_NETWORK_SMS_OBSERVER_H_
-#define ASH_SYSTEM_NETWORK_SMS_OBSERVER_H_
+#ifndef ASH_COMMON_SYSTEM_CHROMEOS_NETWORK_SMS_OBSERVER_H_
+#define ASH_COMMON_SYSTEM_CHROMEOS_NETWORK_SMS_OBSERVER_H_
 
 #include "chromeos/network/network_sms_handler.h"
 
@@ -32,4 +32,4 @@ class SmsObserver : public chromeos::NetworkSmsHandler::Observer {
 
 }  // namespace ash
 
-#endif  // ASH_SYSTEM_NETWORK_SMS_OBSERVER_H_
+#endif  // ASH_COMMON_SYSTEM_CHROMEOS_NETWORK_SMS_OBSERVER_H_