Separate ash::test::DisplayManagerTestApi from ash

chrome/browser/ui/webui/options/chromeos/display_options_handler.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 "chrome/browser/ui/webui/options/chromeos/display_options_handler.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <string>
 
 #include "ash/common/strings/grit/ash_strings.h"
 #include "ash/display/display_configuration_controller.h"
 #include "ash/display/display_manager.h"
 #include "ash/display/resolution_notification_controller.h"
 #include "ash/display/window_tree_host_manager.h"
-#include "ash/screen_util.h"
+//#include "ash/screen_util.h"
+#include "ash/shell.h"
 #include "ash/shell.h"
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/stringprintf.h"
 #include "base/values.h"
 #include "chrome/browser/chromeos/display/display_preferences.h"
 #include "chrome/browser/ui/ash/ash_util.h"
 #include "chrome/grit/generated_resources.h"
@@ skipping 548 matching lines @@
   bool enable = false;
   if (!args->GetBoolean(0, &enable))
     NOTREACHED();
 
   GetDisplayManager()->SetDefaultMultiDisplayModeForCurrentDisplays(
       enable ? ash::DisplayManager::UNIFIED : ash::DisplayManager::EXTENDED);
 }
 
 }  // namespace options
 }  // namespace chromeos