cros: Move IsUserSupervised and IsUserChild off SystemTrayDelegate

ash/test/test_session_controller_client.h

Index: ash/test/test_session_controller_client.h
diff --git a/ash/test/test_session_controller_client.h b/ash/test/test_session_controller_client.h
index 6524a9e77fa616016e8d3f575d1626b9dee8b0bb..7516e6c80ab7309e8fde22c808cb4a3a979149a8 100644
--- a/ash/test/test_session_controller_client.h
+++ b/ash/test/test_session_controller_client.h
@@ -11,6 +11,7 @@
 
 #include "ash/public/interfaces/session_controller.mojom.h"
 #include "base/macros.h"
+#include "components/user_manager/user_type.h"
 #include "mojo/public/cpp/bindings/binding.h"
 
 class AccountId;
@@ -52,8 +53,10 @@ class TestSessionControllerClient : public ash::mojom::SessionControllerClient {
   // Adds a user session from a given display email. The display email will be
   // canonicalized and used to construct an AccountId. |enable_settings| sets
   // whether web UI settings are allowed.
-  void AddUserSession(const std::string& display_email,
-                      bool enable_settings = true);
+  void AddUserSession(
+      const std::string& display_email,
+      user_manager::UserType user_type = user_manager::USER_TYPE_REGULAR,
+      bool enable_settings = true);
 
   // Simulates screen unlocking. It is virtual so that test cases can override
   // it. The default implementation sets the session state of SessionController