Update Managed user strings for ChromeOS

ash/system/tray/system_tray_delegate.h

Index: ash/system/tray/system_tray_delegate.h
diff --git a/ash/system/tray/system_tray_delegate.h b/ash/system/tray/system_tray_delegate.h
index 847ff8c996142d69f46190d5e342fb49099b827d..191d4813f2c031eadb77fb4def8c469e692aeefc 100644
--- a/ash/system/tray/system_tray_delegate.h
+++ b/ash/system/tray/system_tray_delegate.h
@@ -139,6 +139,9 @@ class SystemTrayDelegate {
   // Returns the email of user that manages current locally managed user.
   virtual const std::string GetLocallyManagedUserManager() const = 0;
 
+  // Returns the email of user that manages current locally managed user.
+  virtual const base::string16 GetLocallyManagedUserManagerName() const = 0;
+
   // Returns notification for locally managed users.
   virtual const base::string16 GetLocallyManagedUserMessage() const = 0;