Move a window if the sceren bounds being set is in other display.

ash/wm/system_modal_container_layout_manager.cc

Index: ash/wm/system_modal_container_layout_manager.cc
diff --git a/ash/wm/system_modal_container_layout_manager.cc b/ash/wm/system_modal_container_layout_manager.cc
index c6975d97de782d33c28041689d59ad0a81819192..283c9df9409f9a08d9227e0117c230a3f4ce3962 100644
--- a/ash/wm/system_modal_container_layout_manager.cc
+++ b/ash/wm/system_modal_container_layout_manager.cc
@@ -153,6 +153,14 @@ bool SystemModalContainerLayoutManager::CanWindowReceiveEvents(
   return wm::GetActivatableWindow(window) == modal_window();
 }
 
+bool SystemModalContainerLayoutManager::IsModalScreen(
+    aura::Window* window) {
+  int id = window->parent()->id();
+  return (id == internal::kShellWindowId_SystemModalContainer ||
+          id == internal::kShellWindowId_LockSystemModalContainer) &&
+      window->GetProperty(aura::client::kModalKey) == ui::MODAL_TYPE_NONE;
+}
+
 ////////////////////////////////////////////////////////////////////////////////
 // SystemModalContainerLayoutManager, private: