Promotes remaining global window manager state into WindowManagerState

components/mus/ws/test_utils.cc

Index: components/mus/ws/test_utils.cc
diff --git a/components/mus/ws/test_utils.cc b/components/mus/ws/test_utils.cc
index a371a0bb4708f24d86a1cfebdcbfad4651a3f8ae..ada01b34fbe754b6fa565795dd91c4bc7170dd44 100644
--- a/components/mus/ws/test_utils.cc
+++ b/components/mus/ws/test_utils.cc
@@ -145,9 +145,11 @@ int EventDispatcherTestApi::NumberPointerTargetsForWindow(
 // TestDisplayBinding ---------------------------------------------------------
 
 WindowTree* TestDisplayBinding::CreateWindowTree(ServerWindow* root) {
-  return window_server_->EmbedAtWindow(
+  WindowTree* tree = window_server_->EmbedAtWindow(
       root, shell::mojom::kRootUserID, mus::mojom::WindowTreeClientPtr(),
       base::WrapUnique(new WindowManagerAccessPolicy));
+  tree->ConfigureWindowManager();
+  return tree;
 }
 
 // TestWindowManager ----------------------------------------------------------