Move DisplayLayoutStore from ash to ui.

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_aura.cc',
@@ skipping 530 matching lines @@
       'display/display_animator_chromeos.cc',
       'display/display_animator_chromeos.h',
       'display/display_change_observer_chromeos.cc',
       'display/display_change_observer_chromeos.h',
       'display/display_color_manager_chromeos.cc',
       'display/display_color_manager_chromeos.h',
       'display/display_configuration_controller.cc',
       'display/display_configuration_controller.h',
       'display/display_error_observer_chromeos.cc',
       'display/display_error_observer_chromeos.h',
-      'display/display_layout_store.cc',
-      'display/display_layout_store.h',
       'display/display_manager.cc',
       'display/display_manager.h',
       'display/display_pref_util.h',
       'display/display_util.cc',
       'display/display_util.h',
       'display/event_transformation_handler.cc',
       'display/event_transformation_handler.h',
       'display/extended_mouse_warp_controller.cc',
       'display/extended_mouse_warp_controller.h',
       'display/json_converter.cc',
@@ skipping 930 matching lines @@
                   '../tools/xdisplaycheck/xdisplaycheck.gyp:xdisplaycheck',
                 ],
               }
             ],
           ],
         },
       ],
     }],
   ],
 }