Add more tests for mouse rotation,scale&position after display change

ash/ash.gyp

 # 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.
 
 {
   'variables': {
     'chromium_code': 1,
     # These files lists are shared with the GN build.
     'ash_sources': [
       'accelerators/accelerator_commands.cc',
@@ skipping 735 matching lines @@
       'accelerators/accelerator_controller_unittest.cc',
       'accelerators/accelerator_filter_unittest.cc',
       'accelerators/accelerator_table_unittest.cc',
       'accelerators/magnifier_key_scroller_unittest.cc',
       'accelerators/spoken_feedback_toggler_unittest.cc',
       'ash_touch_exploration_manager_chromeos_unittest.cc',
       'autoclick/autoclick_unittest.cc',
       'content/display/screen_orientation_controller_chromeos_unittest.cc',
       'desktop_background/desktop_background_controller_unittest.cc',
       'dip_unittest.cc',
+      'display/cursor_window_controller_unittest.cc',
       'display/display_change_observer_chromeos_unittest.cc',
       'display/display_controller_unittest.cc',
       'display/display_error_observer_chromeos_unittest.cc',
       'display/display_info_unittest.cc',
       'display/display_manager_unittest.cc',
       'display/mirror_window_controller_unittest.cc',
       'display/mouse_cursor_event_filter_unittest.cc',
       'display/projecting_observer_chromeos_unittest.cc',
       'display/resolution_notification_controller_unittest.cc',
       'display/root_window_transformers_unittest.cc',
@@ skipping 521 matching lines @@
             '../build/isolate.gypi',
           ],
           'sources': [
             'ash_unittests.isolate',
           ],
         },
       ],
     }],
   ],
 }