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

ui/views/views.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,
   },
   'targets': [
     {
       'target_name': 'views',
@@ skipping 21 matching lines @@
         '../wm/wm.gyp:wm',
       ],
       'export_dependent_settings': [
         '../accessibility/accessibility.gyp:ax_gen',
       ],
       'defines': [
         'VIEWS_IMPLEMENTATION',
       ],
       'sources': [
         # All .cc, .h under views, except unittests
+        'accessibility/ax_node_source_obj_wrapper.h',
+        'accessibility/ax_obj_cache.cc',
+        'accessibility/ax_obj_cache.h',
         'accessibility/ax_tree_source_views.cc',
         'accessibility/ax_tree_source_views.h',
+        'accessibility/ax_view_obj_wrapper.cc',
+        'accessibility/ax_view_obj_wrapper.h',
+        'accessibility/ax_widget_obj_wrapper.cc',
+        'accessibility/ax_widget_obj_wrapper.h',
+        'accessibility/ax_window_obj_wrapper.cc',
+        'accessibility/ax_window_obj_wrapper.h',
         'accessibility/native_view_accessibility.cc',
         'accessibility/native_view_accessibility.h',
         'accessibility/native_view_accessibility_win.cc',
         'accessibility/native_view_accessibility_win.h',
         'accessible_pane_view.cc',
         'accessible_pane_view.h',
         'animation/bounds_animator.cc',
         'animation/bounds_animator.h',
         'animation/scroll_animator.cc',
         'animation/scroll_animator.h',
@@ skipping 638 matching lines @@
         }],
         ['use_ozone==1', {
           'sources!': [
             'corewm/capture_controller_unittest.cc',
           ],
         }],
       ],
     },  # target_name: views_unittests
   ],
 }