Relocate display_manager from ash to ui

ash/display/cursor_window_controller_unittest.cc

 // Copyright 2015 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/display/cursor_window_controller.h"
 
 #include "ash/display/display_util.h"
 #include "ash/display/window_tree_host_manager.h"
 #include "ash/shell.h"
 #include "ash/test/ash_test_base.h"
-#include "ash/test/display_manager_test_api.h"
 #include "ui/aura/window.h"
 #include "ui/aura/window_tree_host.h"
 #include "ui/base/cursor/cursor.h"
 #include "ui/display/display.h"
 #include "ui/display/screen.h"
+#include "ui/display/test/display_manager_test_api.h"
 #include "ui/events/test/event_generator.h"
 #include "ui/wm/core/coordinate_conversion.h"
 
 namespace ash {
 
 class CursorWindowControllerTest : public test::AshTestBase {
  public:
   CursorWindowControllerTest() {}
   ~CursorWindowControllerTest() override {}
 
@@ skipping 122 matching lines @@
   ASSERT_TRUE(GetCursorWindow());
   EXPECT_TRUE(GetCursorWindow()->IsVisible());
 }
 
 // Make sure that composition cursor stays big even when
 // the DSF becomes 1x as a result of zooming out.
 TEST_F(CursorWindowControllerTest, DSF) {
   UpdateDisplay("1000x500*2");
   int64_t primary_id = display::Screen::GetScreen()->GetPrimaryDisplay().id();
 
-  test::ScopedSetInternalDisplayId set_internal(display_manager(), primary_id);
+  display::test::ScopedSetInternalDisplayId set_internal(display_manager(),
+                                                         primary_id);
   SetCursorCompositionEnabled(true);
   ASSERT_EQ(
       2.0f,
       display::Screen::GetScreen()->GetPrimaryDisplay().device_scale_factor());
   EXPECT_TRUE(GetCursorImage().HasRepresentation(2.0f));
 
   ASSERT_TRUE(display_manager()->SetDisplayUIScale(primary_id, 2.0f));
   ASSERT_EQ(
       1.0f,
       display::Screen::GetScreen()->GetPrimaryDisplay().device_scale_factor());
   EXPECT_TRUE(GetCursorImage().HasRepresentation(2.0f));
 }
 #endif
 
 }  // namespace ash