Revert 177182 - ViewTest.ChangeNativeViewHierarchyFindRoots failure

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 176 matching lines @@
         'browser/ui/ash/user_action_handler.cc',
         'browser/ui/ash/user_action_handler.h',
         'browser/ui/ash/volume_controller_chromeos.cc',
         'browser/ui/ash/volume_controller_chromeos.h',
         'browser/ui/ash/window_positioner.cc',
         'browser/ui/ash/window_positioner.h',
         'browser/ui/aura/active_desktop_monitor.cc',
         'browser/ui/aura/active_desktop_monitor.h',
         'browser/ui/aura/chrome_browser_main_extra_parts_aura.cc',
         'browser/ui/aura/chrome_browser_main_extra_parts_aura.h',
+        'browser/ui/aura/stacking_client_aura.cc',
+        'browser/ui/aura/stacking_client_aura.h',
         'browser/ui/aura/tabs/dock_info_aurax11.cc',
         'browser/ui/autofill/autofill_dialog_controller.cc',
         'browser/ui/autofill/autofill_dialog_controller.h',
         'browser/ui/autofill/autofill_dialog_models.cc',
         'browser/ui/autofill/autofill_dialog_models.h',
         'browser/ui/autofill/autofill_dialog_types.cc',
         'browser/ui/autofill/autofill_dialog_types.h',
         'browser/ui/autofill/autofill_dialog_view.cc',
         'browser/ui/autofill/autofill_dialog_view.h',
         'browser/ui/autofill/autofill_popup_controller.h',
@@ skipping 2611 matching lines @@
         }],
         ['enable_message_center==1', {
           'dependencies': [
             '../ui/message_center/message_center.gyp:message_center',
           ],
         }],
       ],
     },
   ],
 }