Extend AXTreeSourceViews to handle aura::Window and views::Widget.

chrome/chrome_browser_ui.gypi

 # Copyright 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.
 
 {
   'targets': [
     {
       'target_name': 'browser_ui',
       'type': 'static_library',
       'variables': { 'enable_wexit_time_destructors': 1, },
@@ skipping 1415 matching lines @@
         'browser/ui/validation_message_bubble.h',
         'browser/ui/view_ids.h',
         'browser/ui/views/accelerator_utils_aura.cc',
         'browser/ui/views/accelerator_utils_views.cc',
         'browser/ui/views/accessibility/accessibility_event_router_views.cc',
         'browser/ui/views/accessibility/accessibility_event_router_views.h',
         'browser/ui/views/accessibility/invert_bubble_view.cc',
         'browser/ui/views/accessibility/invert_bubble_view.h',
         'browser/ui/views/accessibility/automation_manager_views.cc',
         'browser/ui/views/accessibility/automation_manager_views.h',
+        'browser/ui/views/accessibility/ax_root_obj_wrapper.cc',
+        'browser/ui/views/accessibility/ax_root_obj_wrapper.h',
+        'browser/ui/views/accessibility/ax_tree_source_views.cc',
+        'browser/ui/views/accessibility/ax_tree_source_views.h',
         'browser/ui/views/app_list/linux/app_list_controller_delegate_linux.cc',
         'browser/ui/views/app_list/linux/app_list_controller_delegate_linux.h',
         'browser/ui/views/app_list/linux/app_list_linux.cc',
         'browser/ui/views/app_list/linux/app_list_linux.h',
         'browser/ui/views/app_list/linux/app_list_service_linux.cc',
         'browser/ui/views/app_list/linux/app_list_service_linux.h',
         'browser/ui/views/app_list/win/activation_tracker_win.cc',
         'browser/ui/views/app_list/win/activation_tracker_win.h',
         'browser/ui/views/app_list/win/app_list_controller_delegate_win.cc',
         'browser/ui/views/app_list/win/app_list_controller_delegate_win.h',
@@ skipping 1686 matching lines @@
             'browser/ui/webui/local_discovery/local_discovery_ui.cc',
             'browser/ui/webui/local_discovery/local_discovery_ui.h',
             'browser/ui/webui/local_discovery/local_discovery_ui_handler.cc',
             'browser/ui/webui/local_discovery/local_discovery_ui_handler.h',
           ],
         }],
       ],
     },
   ],
 }