Tray elements behave appropriately on the multiple signin screen (more like lock screen)

ash/system/chromeos/session/logout_button_tray.cc

Index: ash/system/chromeos/session/logout_button_tray.cc
diff --git a/ash/system/chromeos/session/logout_button_tray.cc b/ash/system/chromeos/session/logout_button_tray.cc
index ffd322a0b0565a5bb2d1e0f8959aad32c94449d7..754b3aaf972818f5e10d5d1f0219c6a0e07da1e1 100644
--- a/ash/system/chromeos/session/logout_button_tray.cc
+++ b/ash/system/chromeos/session/logout_button_tray.cc
@@ -4,6 +4,7 @@
 
 #include "ash/system/chromeos/session/logout_button_tray.h"
 
+#include "ash/session/session_state_delegate.h"
 #include "ash/shelf/shelf_types.h"
 #include "ash/shell.h"
 #include "ash/system/chromeos/session/logout_confirmation_controller.h"
@@ -157,9 +158,13 @@ void LogoutButtonTray::UpdateAfterLoginStatusChange(
 }
 
 void LogoutButtonTray::UpdateVisibility() {
+  bool userAddingRunning =
+      (ash::Shell::GetInstance()->session_state_delegate()->GetSessionState() ==
+       ash::SessionStateDelegate::SESSION_STATE_LOGIN_SECONDARY);
+
   SetVisible(show_logout_button_in_tray_ &&
              login_status_ != user::LOGGED_IN_NONE &&
-             login_status_ != user::LOGGED_IN_LOCKED);
+             login_status_ != user::LOGGED_IN_LOCKED && !userAddingRunning);

[oshima, 2014/08/01 20:31:22]

does secondary login screen have a sign out out button? (I think we don't show
these on lock screen because lock screen has its own shutdown/signout button)

[Roman Sorokin (ftl), 2014/08/05 13:44:09]

Turned out this is button for public sessions so does not needed to do anything
On 2014/08/01 20:31:22, oshima wrote:

 }
 
 }  // namespace ash