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

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

Index: ash/common/system/chromeos/network/tray_network.h
diff --git a/ash/system/network/tray_network.h b/ash/common/system/chromeos/network/tray_network.h
similarity index 79%
rename from ash/system/network/tray_network.h
rename to ash/common/system/chromeos/network/tray_network.h
index 2d7927b892162872cd284c9985bfbc6fd66512e9..34a4284c8a63420807bf43e73e8578672a60046a 100644
--- a/ash/system/network/tray_network.h
+++ b/ash/common/system/chromeos/network/tray_network.h
@@ -2,16 +2,16 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef ASH_SYSTEM_NETWORK_TRAY_NETWORK_H_
-#define ASH_SYSTEM_NETWORK_TRAY_NETWORK_H_
+#ifndef ASH_COMMON_SYSTEM_CHROMEOS_NETWORK_TRAY_NETWORK_H_
+#define ASH_COMMON_SYSTEM_CHROMEOS_NETWORK_TRAY_NETWORK_H_
 
 #include <memory>
 #include <set>
 
-#include "ash/system/network/network_observer.h"
-#include "ash/system/network/network_portal_detector_observer.h"
-#include "ash/system/network/tray_network_state_observer.h"
-#include "ash/system/tray/system_tray_item.h"
+#include "ash/common/system/chromeos/network/network_observer.h"
+#include "ash/common/system/chromeos/network/network_portal_detector_observer.h"
+#include "ash/common/system/chromeos/network/tray_network_state_observer.h"
+#include "ash/common/system/tray/system_tray_item.h"
 #include "base/macros.h"
 #include "base/time/time.h"
 
@@ -63,4 +63,4 @@ class TrayNetwork : public SystemTrayItem,
 
 }  // namespace ash
 
-#endif  // ASH_SYSTEM_NETWORK_TRAY_NETWORK_H_
+#endif  // ASH_COMMON_SYSTEM_CHROMEOS_NETWORK_TRAY_NETWORK_H_