Move root_window.* to window_event_dispatcher.*

ash/wm/ash_native_cursor_manager_interactive_uitest.cc

 // Copyright 2013 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/wm/ash_native_cursor_manager.h"
 
 #include "ash/display/display_info.h"
 #include "ash/display/display_manager.h"
 #include "ash/shell.h"
 #include "ash/test/ash_test_base.h"
 #include "ash/test/cursor_manager_test_api.h"
 #include "base/run_loop.h"
-#include "ui/aura/root_window.h"
 #include "ui/aura/window.h"
+#include "ui/aura/window_event_dispatcher.h"
 #include "ui/base/test/ui_controls.h"
 
 #if defined(USE_X11)
 #include <X11/Xlib.h>
 
 #include "base/message_loop/message_pump_x11.h"
 #endif
 
 namespace ash {
 
@@ skipping 57 matching lines @@
   display_manager->OnNativeDisplaysChanged(display_info_list);
 
   MoveMouseSync(Shell::GetAllRootWindows()[0], 10, 10);
   EXPECT_EQ(1.0f, test_api.GetDisplay().device_scale_factor());
 
   MoveMouseSync(Shell::GetAllRootWindows()[0], 600, 10);
   EXPECT_EQ(2.0f, test_api.GetDisplay().device_scale_factor());
 }
 
 }  // namespace ash