Layout login/lock screen, shelf and app list inside the first display in Unified Desktop mode

ash/shelf/shelf_layout_manager_unittest.cc

 // Copyright (c) 2012 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/shelf/shelf_layout_manager.h"
 
 #include "ash/accelerators/accelerator_controller.h"
 #include "ash/accelerators/accelerator_table.h"
 #include "ash/ash_switches.h"
 #include "ash/display/display_controller.h"
 #include "ash/display/display_manager.h"
 #include "ash/focus_cycler.h"
 #include "ash/root_window_controller.h"
 #include "ash/session/session_state_delegate.h"
 #include "ash/shelf/shelf.h"
 #include "ash/shelf/shelf_layout_manager_observer.h"
 #include "ash/shelf/shelf_view.h"
 #include "ash/shelf/shelf_widget.h"
 #include "ash/shell.h"
 #include "ash/shell_window_ids.h"
 #include "ash/system/status_area_widget.h"
 #include "ash/system/tray/system_tray.h"
 #include "ash/system/tray/system_tray_item.h"
 #include "ash/test/ash_test_base.h"
+#include "ash/test/display_manager_test_api.h"
 #include "ash/test/shelf_test_api.h"
 #include "ash/wm/window_state.h"
 #include "ash/wm/window_util.h"
 #include "base/command_line.h"
 #include "base/strings/utf_string_conversions.h"
 #include "ui/aura/client/aura_constants.h"
 #include "ui/aura/client/window_tree_client.h"
 #include "ui/aura/window.h"
 #include "ui/aura/window_event_dispatcher.h"
 #include "ui/compositor/layer.h"
@@ skipping 2227 matching lines @@
 
   shelf->ShutdownStatusAreaWidget();
   shelf_manager->PrepareForShutdown();
 
   // Deleting a focused maximized window will switch focus to |window2|. This
   // would normally cause the ShelfLayoutManager to update its state. However
   // during shutdown we want to handle this without crashing.
   delete window1;
 }
 
+TEST_F(ShelfLayoutManagerTest, ShelfLayoutInUnifiedDesktop) {
+  if (!SupportsMultipleDisplays())
+    return;
+
+  DisplayManager* display_manager = Shell::GetInstance()->display_manager();
+  test::DisplayManagerTestApi test_api(display_manager);
+  test_api.SetDefaultMultiDisplayMode(DisplayManager::UNIFIED);
+  display_manager->SetMultiDisplayMode(DisplayManager::UNIFIED);
+  UpdateDisplay("500x500, 500x500");
+
+  StatusAreaWidget* status_area_widget =
+      Shell::GetPrimaryRootWindowController()->shelf()->status_area_widget();
+  EXPECT_TRUE(status_area_widget->IsVisible());
+  // Shelf should be in the first display's area.
+  EXPECT_EQ("348,453 152x47",
+            status_area_widget->GetWindowBoundsInScreen().ToString());
+}
+
 }  // namespace ash