patch from issue 218843002

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,
   },
   'target_defaults': {
     'conditions': [
       ['use_aura==1', {
@@ skipping 226 matching lines @@
         'controls/tree/tree_view.h',
         'controls/tree/tree_view_controller.cc',
         'controls/tree/tree_view_controller.h',
         'corewm/tooltip.h',
         'corewm/tooltip_aura.cc',
         'corewm/tooltip_aura.h',
         'corewm/tooltip_controller.cc',
         'corewm/tooltip_controller.h',
         'corewm/tooltip_win.cc',
         'corewm/tooltip_win.h',
+        'cull_set.cc',
+        'cull_set.h',
         'debug_utils.cc',
         'debug_utils.h',
         'drag_controller.h',
         'drag_utils.cc',
         'drag_utils.h',
         'drag_utils_aura.cc',
         'focus/external_focus_tracker.cc',
         'focus/external_focus_tracker.h',
         'focus/focus_manager.cc',
         'focus/focus_manager.h',
@@ skipping 459 matching lines @@
         }],
         ['use_aura==1', {
           'dependencies': [
             '../aura/aura.gyp:aura_test_support',
           ],
         }],
       ],
     },  # target_name: views_unittests
   ],
 }