Switching to the correct desktop when a system modal dialog gets shown

chrome/browser/ui/ash/multi_user/multi_user_window_manager_chromeos.h

Index: chrome/browser/ui/ash/multi_user/multi_user_window_manager_chromeos.h
diff --git a/chrome/browser/ui/ash/multi_user/multi_user_window_manager_chromeos.h b/chrome/browser/ui/ash/multi_user/multi_user_window_manager_chromeos.h
index a0e16b69c2017a6da24beddf5bc10b1c39b47a41..be4a43ebf5addd9a1a163db59ec1a73ede2468b1 100644
--- a/chrome/browser/ui/ash/multi_user/multi_user_window_manager_chromeos.h
+++ b/chrome/browser/ui/ash/multi_user/multi_user_window_manager_chromeos.h
@@ -138,7 +138,8 @@ class MultiUserWindowManagerChromeOS : public MultiUserWindowManager,
   // Show / hide the given window. Note: By not doing this within the functions,
   // this allows to either switching to different ways to show/hide and / or to
   // distinguish state changes performed by this class vs. state changes
-  // performed by the others.
+  // performed by the others. Note furthermore that system modal dialogs will
+  // not get hidden. We will switch instead to the owners desktop.
   void SetWindowVisibility(aura::Window* window, bool visible);
 
   // Show the window and its transient children. However - if a transient child