Separate ash::test::DisplayManagerTestApi from ash

ash/utility/screenshot_controller_unittest.cc

 // Copyright 2014 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/utility/screenshot_controller.h"
 
 #include "ash/display/cursor_window_controller.h"
 #include "ash/display/mouse_cursor_event_filter.h"
 #include "ash/display/window_tree_host_manager.h"
 #include "ash/screenshot_delegate.h"
@@ skipping 15 matching lines @@
  public:
   ScreenshotControllerTest() {}
   ~ScreenshotControllerTest() override {}
 
  protected:
   ScreenshotController* screenshot_controller() {
     return Shell::GetInstance()->screenshot_controller();
   }
 
   bool TestIfMouseWarpsAt(const gfx::Point& point_in_screen) {
-    return test::DisplayManagerTestApi::TestIfMouseWarpsAt(GetEventGenerator(),
-                                                           point_in_screen);
+    return test::AshTestBase::TestIfMouseWarpsAt(GetEventGenerator(),
+                                                 point_in_screen);
   }
 
   void StartPartialScreenshotSession() {
     screenshot_controller()->StartPartialScreenshotSession(
         GetScreenshotDelegate(), true);
   }
 
   void StartWindowScreenshotSession() {
     screenshot_controller()->StartWindowScreenshotSession(
         GetScreenshotDelegate());
@@ skipping 427 matching lines @@
   EXPECT_FALSE(IsActive());
 
   StartWindowScreenshotSession();
   EXPECT_TRUE(IsActive());
   UpdateDisplay("400x400");
   RunAllPendingInMessageLoop();
   EXPECT_FALSE(IsActive());
 }
 
 }  // namespace ash