Enable chrome.automation.getDesktop on all aura platforms.

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.
 
 {
   'variables': {
     # There are two sections of sources:
     # * "Platform"-based sources (OS, toolkit, etc.)
     # * Feature/directory-based sources (e.g., history, printing)
 
@@ skipping 1127 matching lines @@
       'browser/ui/auto_login_infobar_delegate.h',
       'browser/ui/screen_capture_notification_ui_stub.cc',
     ],
     # Files shared between CrOS, desktop linux, and Android.
     'chrome_browser_ui_android_linux_sources': [
       'browser/ui/certificate_dialogs.cc',
       'browser/ui/certificate_dialogs.h',
     ],
     # Cross-platform ash sources.
     'chrome_browser_ui_ash_sources': [
-      'browser/ui/ash/accessibility/automation_manager_ash.cc',
-      'browser/ui/ash/accessibility/automation_manager_ash.h',
-      'browser/ui/ash/accessibility/ax_root_obj_wrapper.cc',
-      'browser/ui/ash/accessibility/ax_root_obj_wrapper.h',
-      'browser/ui/ash/accessibility/ax_tree_source_ash.cc',
-      'browser/ui/ash/accessibility/ax_tree_source_ash.h',
       'browser/ui/ash/app_list/app_list_controller_ash.cc',
       'browser/ui/ash/app_list/app_list_controller_ash.h',
       'browser/ui/ash/app_list/app_list_service_ash.cc',
       'browser/ui/ash/app_list/app_list_service_ash.h',
       'browser/ui/ash/app_list/app_sync_ui_state_watcher.cc',
       'browser/ui/ash/app_list/app_sync_ui_state_watcher.h',
       'browser/ui/ash/app_sync_ui_state.cc',
       'browser/ui/ash/app_sync_ui_state.h',
       'browser/ui/ash/app_sync_ui_state_factory.cc',
       'browser/ui/ash/app_sync_ui_state_factory.h',
@@ skipping 116 matching lines @@
       'browser/ui/views/frame/web_app_left_header_view_ash.cc',
       'browser/ui/views/frame/web_app_left_header_view_ash.h',
       'browser/ui/views/tabs/window_finder_ash.cc',
     ],
     # Used when ash is disabled.
     'chrome_browser_ui_non_ash_sources': [
       'browser/ui/views/touch_uma/touch_uma.cc',
     ],
     # Cross-platform aura sources.
     'chrome_browser_ui_aura_sources': [
+      'browser/ui/aura/accessibility/automation_manager_aura.cc',
+      'browser/ui/aura/accessibility/automation_manager_aura.h',
+      'browser/ui/aura/accessibility/ax_root_obj_wrapper.cc',
+      'browser/ui/aura/accessibility/ax_root_obj_wrapper.h',
+      'browser/ui/aura/accessibility/ax_tree_source_aura.cc',
+      'browser/ui/aura/accessibility/ax_tree_source_aura.h',
       'browser/ui/aura/chrome_browser_main_extra_parts_aura.cc',
       'browser/ui/aura/chrome_browser_main_extra_parts_aura.h',
       'browser/ui/aura/native_window_tracker_aura.cc',
       'browser/ui/aura/native_window_tracker_aura.h',
       'browser/ui/aura/tab_contents/web_drag_bookmark_handler_aura.cc',
       'browser/ui/aura/tab_contents/web_drag_bookmark_handler_aura.h',
       'browser/ui/gesture_prefs_observer_factory_aura.cc',
       'browser/ui/gesture_prefs_observer_factory_aura.h',
       'browser/ui/views/crypto_module_password_dialog_view.cc',
       'browser/ui/views/crypto_module_password_dialog_view.h',
@@ skipping 1886 matching lines @@
           ],
           'sources': [
             '<@(chrome_browser_ui_non_mobile_sources)',
             '<@(chrome_browser_ui_omnibox_non_mobile_sources)',
           ],
         }],
       ],
     },
   ],
 }