Convert TrayAccessibility to wm common types

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 37 matching lines @@
       'aura/wm_shell_aura.h',
       'aura/wm_window_aura.cc',
       'aura/wm_window_aura.h',
       'autoclick/autoclick_controller.cc',
       'autoclick/autoclick_controller.h',
       'cancel_mode.cc',
       'cancel_mode.h',
       'cast_config_delegate.cc',
       'cast_config_delegate.h',
       'common/accessibility_delegate.h',
+      'common/accessibility_types.h',
       'common/ash_constants.cc',
       'common/ash_constants.h',
       'common/ash_layout_constants.cc',
       'common/ash_layout_constants.h',
       'common/ash_switches.cc',
       'common/ash_switches.h',
       'common/default_accessibility_delegate.cc',
       'common/default_accessibility_delegate.h',
       'common/focus_cycler.cc',
       'common/focus_cycler.h',
@@ skipping 21 matching lines @@
       'common/shelf/shelf_model.cc',
       'common/shelf/shelf_model.h',
       'common/shelf/shelf_model_observer.h',
       'common/shelf/shelf_types.h',
       'common/shelf/wm_shelf.h',
       'common/shelf/wm_shelf_observer.h',
       'common/shelf/wm_shelf_util.cc',
       'common/shelf/wm_shelf_util.h',
       'common/shell_window_ids.cc',
       'common/shell_window_ids.h',
+      'common/system/accessibility_observer.h',
       'common/system/chromeos/devicetype_utils.cc',
       'common/system/chromeos/devicetype_utils.h',
       'common/system/chromeos/power/battery_notification.cc',
       'common/system/chromeos/power/battery_notification.h',
       'common/system/chromeos/power/dual_role_notification.cc',
       'common/system/chromeos/power/dual_role_notification.h',
       'common/system/chromeos/power/power_status.cc',
       'common/system/chromeos/power/power_status.h',
       'common/system/chromeos/power/power_status_view.cc',
       'common/system/chromeos/power/power_status_view.h',
@@ skipping 1344 matching lines @@
                   '../tools/xdisplaycheck/xdisplaycheck.gyp:xdisplaycheck',
                 ],
               }
             ],
           ],
         },
       ],
     }],
   ],
 }