Adding infrastructure for possibility of changing manager names for the supervised accounts.

ash/system/chromeos/supervised/tray_supervised_user.h

Index: ash/system/chromeos/supervised/tray_supervised_user.h
diff --git a/ash/system/chromeos/supervised/tray_supervised_user.h b/ash/system/chromeos/supervised/tray_supervised_user.h
index 5d07d25feb4e5371546f4f861fb12d180bf955a6..b007e73ec682f515b195b4d194f924c511e3331b 100644
--- a/ash/system/chromeos/supervised/tray_supervised_user.h
+++ b/ash/system/chromeos/supervised/tray_supervised_user.h
@@ -8,6 +8,7 @@
 #include "ash/ash_export.h"
 #include "ash/system/tray/system_tray_item.h"
 #include "ash/system/tray/view_click_listener.h"
+#include "base/memory/weak_ptr.h"
 #include "base/strings/string16.h"
 
 namespace ash {
@@ -39,13 +40,20 @@ class ASH_EXPORT TraySupervisedUser : public SystemTrayItem,
 
   void CreateOrUpdateNotification(const base::string16& new_message);
 
+  void CreateOrUpdateSupervisedWarningNotification();
+
+  void OnCustodianInfoChanged();
+
   LabelTrayView* tray_view_;
+
   // Previous login status to avoid showing notification upon unlock.
   user::LoginStatus status_;
 
   // Previous user supervised state to avoid showing notification upon unlock.
   bool is_user_supervised_;
 
+  base::WeakPtrFactory<TraySupervisedUser> weak_factory_;
+
   DISALLOW_COPY_AND_ASSIGN(TraySupervisedUser);
 };