Moves ash::user::LoginStatus to ash/common

ash/shell_observer.h

Index: ash/shell_observer.h
diff --git a/ash/shell_observer.h b/ash/shell_observer.h
index e4d23a19512e71cb8201e55aa76eb09615cf409c..7579749f54dd584d6a508fb0b2d87549cf12f7a4 100644
--- a/ash/shell_observer.h
+++ b/ash/shell_observer.h
@@ -6,7 +6,7 @@
 #define ASH_SHELL_OBSERVER_H_
 
 #include "ash/ash_export.h"
-#include "ash/system/user/login_status.h"
+#include "ash/common/login_status.h"
 
 namespace aura {
 class Window;
@@ -20,7 +20,7 @@ class ASH_EXPORT ShellObserver {
   virtual void OnDisplayWorkAreaInsetsChanged() {}
 
   // Invoked when the user logs in.
-  virtual void OnLoginStateChanged(user::LoginStatus status) {}
+  virtual void OnLoginStateChanged(LoginStatus status) {}
 
   // Invoked when the application is exiting.
   virtual void OnAppTerminating() {}