Set focusibility correctly when initializing a window in mus+ash.

services/ui/ws/window_tree.cc

Index: services/ui/ws/window_tree.cc
diff --git a/services/ui/ws/window_tree.cc b/services/ui/ws/window_tree.cc
index 77fd68d27593e422e7f7bb13f46894584bdf0988..46b2c4d785ecc27bf3e2ff14a24ab05eff52e474 100644
--- a/services/ui/ws/window_tree.cc
+++ b/services/ui/ws/window_tree.cc
@@ -1547,7 +1547,7 @@ void WindowTree::SetCanFocus(Id transport_window_id, bool can_focus) {
       GetWindowByClientId(ClientWindowId(transport_window_id));
   // TODO(sky): there should be an else case (it shouldn't route to wm and
   // policy allows, then set_can_focus).
-  if (window && ShouldRouteToWindowManager(window))
+  if (window && access_policy_->CanSetFocus(window))

[sky, 2017/01/23 21:28:29]

This needs to go to the window manager too, otherwise it won't be in sync with
the client.

[Hadi, 2017/01/24 18:42:32]

Done.

     window->set_can_focus(can_focus);

[sadrul, 2017/01/24 17:34:49]

if (!window)
  return;

if (ShouldRouteToWndowManager(window) || access_policy_->CanSetFocus(window))
  window->set_can_focus(can_focus);

[sadrul, 2017/01/24 17:35:23]

Whoops, sorry. Please ignore this comment.

 }