Gets chrome --mus some what working

ash/test/ash_test_helper.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ash/test/ash_test_helper.h"
 
 #include "ash/accelerators/accelerator_controller_delegate_aura.h"
 #include "ash/aura/wm_shell_aura.h"
 #include "ash/common/test/test_session_state_delegate.h"
 #include "ash/common/test/test_system_tray_delegate.h"
 #include "ash/common/wm_shell.h"
 #include "ash/common/wm_window.h"
 #include "ash/mus/screen_mus.h"
 #include "ash/mus/window_manager.h"
 #include "ash/mus/window_manager_application.h"
+#include "ash/public/cpp/config.h"
 #include "ash/shell.h"
 #include "ash/shell_init_params.h"
 #include "ash/system/chromeos/screen_layout_observer.h"
 #include "ash/test/ash_test_environment.h"
 #include "ash/test/ash_test_views_delegate.h"
 #include "ash/test/display_configuration_controller_test_api.h"
 #include "ash/test/test_screenshot_delegate.h"
 #include "ash/test/test_shell_delegate.h"
 #include "base/memory/ptr_util.h"
 #include "base/run_loop.h"
@@ skipping 254 matching lines @@
   std::vector<RootWindowController*> roots = GetRootsOrderedByDisplayId();
   CHECK_LE(2U, roots.size());
   return roots.size() < 2 ? display::Display()
                           : roots[1]->GetWindow()->GetDisplayNearestWindow();
 }
 
 void AshTestHelper::CreateMashWindowManager() {
   CHECK(IsMash());
   window_manager_app_ = base::MakeUnique<mus::WindowManagerApplication>();
 
-  window_manager_app_->window_manager_.reset(new mus::WindowManager(nullptr));
-  window_manager_app_->window_manager()->shell_delegate_for_test_.reset(
+  window_manager_app_->window_manager_.reset(
+      new mus::WindowManager(nullptr, Config::MASH));
+  window_manager_app_->window_manager()->shell_delegate_.reset(
       test_shell_delegate_);
   window_manager_app_->window_manager()
       ->create_session_state_delegate_stub_for_test_ = false;
 
   window_tree_client_setup_.InitForWindowManager(
       window_manager_app_->window_manager_.get(),
       window_manager_app_->window_manager_.get());
   aura::test::EnvTestHelper().SetWindowTreeClient(
       window_tree_client_setup_.window_tree_client());
   // Classic ash does not start the NetworkHandler in tests, so don't start it
@@ skipping 78 matching lines @@
   std::set<RootWindowController*> roots =
       window_manager_app_->window_manager()->GetRootWindowControllers();
   std::vector<RootWindowController*> ordered_roots;
   ordered_roots.insert(ordered_roots.begin(), roots.begin(), roots.end());
   std::sort(ordered_roots.begin(), ordered_roots.end(), &CompareByDisplayId);
   return ordered_roots;
 }
 
 }  // namespace test
 }  // namespace ash