Separate ash::test::DisplayManagerTestApi from ash

ash/wm/workspace/workspace_event_handler_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/common/wm/workspace/workspace_event_handler.h"
 
 #include "ash/common/wm/window_state.h"
 #include "ash/common/wm/wm_event.h"
 #include "ash/common/wm/workspace_controller.h"
+#include "ash/display/display_manager.h"
 #include "ash/screen_util.h"
 #include "ash/shell.h"
 #include "ash/test/ash_test_base.h"
 #include "ash/wm/window_state_aura.h"
 #include "ash/wm/window_util.h"
 #include "ash/wm/workspace_controller_test_helper.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "ui/aura/client/aura_constants.h"
 #include "ui/aura/test/test_window_delegate.h"
 #include "ui/aura/window.h"
@@ skipping 139 matching lines @@
   EXPECT_EQ(restored_bounds.ToString(), window->GetBoundsInScreen().ToString());
 
 #if defined(OS_WIN)
   // Multi display test does not run on Win8 bot. crbug.com/247427.
   if (!SupportsMultipleDisplays())
     return;
 #endif
 
   // Verify the double clicking the resize edge works on 2nd display too.
   UpdateDisplay("200x200,400x300");
-  gfx::Rect work_area2 = ScreenUtil::GetSecondaryDisplay().work_area();
+  gfx::Rect work_area2 = display_manager()->GetSecondaryDisplay().work_area();
   restored_bounds.SetRect(220, 20, 50, 50);
-  window->SetBoundsInScreen(restored_bounds, ScreenUtil::GetSecondaryDisplay());
+  window->SetBoundsInScreen(restored_bounds,
+                            display_manager()->GetSecondaryDisplay());
   aura::Window* second_root = Shell::GetAllRootWindows()[1];
   EXPECT_EQ(second_root, window->GetRootWindow());
   ui::test::EventGenerator generator2(second_root, window.get());
 
   // Y-axis maximization.
   delegate.set_window_component(HTTOP);
   generator2.PressLeftButton();
   generator2.ReleaseLeftButton();
   generator2.set_flags(ui::EF_IS_DOUBLE_CLICK);
   generator2.PressLeftButton();
@@ skipping 347 matching lines @@
   delegate.set_window_component(HTCAPTION);
   generator.PressRightButton();
   generator.ReleaseRightButton();
   EXPECT_FALSE(window_state->IsMaximized());
   ClickButtonWithFlags(&generator, ui::EF_LEFT_MOUSE_BUTTON,
                        ui::EF_IS_DOUBLE_CLICK);
   EXPECT_FALSE(window_state->IsMaximized());
 }
 
 }  // namespace ash