Move ash/system/network to ash/system/chromeos

ash/system/tray/system_tray.h

Index: ash/system/tray/system_tray.h
diff --git a/ash/system/tray/system_tray.h b/ash/system/tray/system_tray.h
index 760c527dfb9ebd27aadfdd8d849d4ced2d923595..aa03885bf3868109116786fbb0d330a7156e6bb2 100644
--- a/ash/system/tray/system_tray.h
+++ b/ash/system/tray/system_tray.h
@@ -30,11 +30,13 @@ class ClockObserver;
 class DriveObserver;
 class IMEObserver;
 class LocaleObserver;
-class NetworkObserver;
-class SmsObserver;
 class PowerStatusObserver;
 class UpdateObserver;
 class UserObserver;
+#if defined(OS_CHROMEOS)
+class NetworkObserver;
+class SmsObserver;
+#endif
 
 class SystemTrayItem;
 
@@ -133,15 +135,17 @@ class ASH_EXPORT SystemTray : public internal::TrayBackgroundView {
   LocaleObserver* locale_observer() const {
     return locale_observer_;
   }
+#if defined(OS_CHROMEOS)
   NetworkObserver* network_observer() const {
     return network_observer_;
   }
-  ObserverList<PowerStatusObserver>& power_status_observers() {
-    return power_status_observers_;
-  }
   SmsObserver* sms_observer() const {
     return sms_observer_;
   }
+#endif
+  ObserverList<PowerStatusObserver>& power_status_observers() {
+    return power_status_observers_;
+  }
   UpdateObserver* update_observer() const {
     return update_observer_;
   }
@@ -216,9 +220,11 @@ class ASH_EXPORT SystemTray : public internal::TrayBackgroundView {
   DriveObserver* drive_observer_;
   IMEObserver* ime_observer_;
   LocaleObserver* locale_observer_;
+#if defined(OS_CHROMEOS)
   NetworkObserver* network_observer_;
-  ObserverList<PowerStatusObserver> power_status_observers_;
   SmsObserver* sms_observer_;
+#endif
+  ObserverList<PowerStatusObserver> power_status_observers_;
   UpdateObserver* update_observer_;
   UserObserver* user_observer_;