chromeos: Makes mushrome use simplified display management

chrome/app/mash/embedded_services.cc

 // Copyright 2017 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 "chrome/app/mash/embedded_services.h"
 
 #include "mash/catalog_viewer/catalog_viewer.h"
 #include "mash/catalog_viewer/public/interfaces/constants.mojom.h"
 #include "mash/common/config.h"
 #include "mash/quick_launch/public/interfaces/constants.mojom.h"
@@ skipping 13 matching lines @@
 #include "ash/touch_hud/mus/touch_hud_application.h"  // nogncheck
 #endif                                                // defined(OS_CHROMEOS)
 
 #if defined(OS_LINUX) && !defined(OS_ANDROID)
 #include "components/font_service/font_service_app.h"
 #endif  // defined(OS_LINUX) && !defined(OS_ANDROID)
 
 std::unique_ptr<service_manager::Service> CreateEmbeddedMashService(
     const std::string& service_name) {
 #if defined(OS_CHROMEOS)
-  if (service_name == ash::mojom::kServiceName)
-    return base::MakeUnique<ash::mus::WindowManagerApplication>();
+  if (service_name == ash::mojom::kServiceName) {
+    const bool show_primary_host_on_connect = true;
+    return base::WrapUnique(
+        new ash::mus::WindowManagerApplication(show_primary_host_on_connect));
+  }
   if (service_name == "accessibility_autoclick")
     return base::MakeUnique<ash::autoclick::AutoclickApplication>();
   if (service_name == "touch_hud")
     return base::MakeUnique<ash::touch_hud::TouchHudApplication>();
 #endif  // defined(OS_CHROMEOS)
   if (service_name == mash::catalog_viewer::mojom::kServiceName)
     return base::MakeUnique<mash::catalog_viewer::CatalogViewer>();
   if (service_name == mash::session::mojom::kServiceName)
     return base::MakeUnique<mash::session::Session>();
   if (service_name == ui::mojom::kServiceName)
     return base::MakeUnique<ui::Service>();
   if (service_name == mash::quick_launch::mojom::kServiceName)
     return base::MakeUnique<mash::quick_launch::QuickLaunch>();
   if (service_name == mash::task_viewer::mojom::kServiceName)
     return base::MakeUnique<mash::task_viewer::TaskViewer>();
   if (service_name == "test_ime_driver")
     return base::MakeUnique<ui::test::TestIMEApplication>();
 #if defined(OS_LINUX) && !defined(OS_ANDROID)
   if (service_name == "font_service")
     return base::MakeUnique<font_service::FontServiceApp>();
 #endif  // defined(OS_LINUX) && !defined(OS_ANDROID)
 
   return nullptr;
 }