Tray message changed for child accounts. Warning bubble removed for child accounts.

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 228865b388c2757e1dab99596e0d8d72b241e164..b840e48fc80ec9562a749852738157a65834f194 100644
--- a/ash/system/tray/system_tray_delegate.h
+++ b/ash/system/tray/system_tray_delegate.h
@@ -137,9 +137,15 @@ class ASH_EXPORT SystemTrayDelegate {
   // Returns the notification for supervised users.
   virtual const base::string16 GetSupervisedUserMessage() const = 0;
 
-  // Returns true if the current user is supervised.
+  // Returns true if the current user is supervised: has legacy supervised
+  // account or kid account.
   virtual bool IsUserSupervised() const = 0;
 
+  // Returns true if the current user is child.
+  // TODO(merkulova): remove on FakeUserManager componentization.
+  // crbug.com/443119
+  virtual bool IsUserChild() const = 0;
+
   // Fills |info| structure with current update info.
   virtual void GetSystemUpdateInfo(UpdateInfo* info) const = 0;