Add unittests for X11TopmostWindowFinder

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 630 matching lines @@
         'run_all_unittests.cc',
         'touchui/touch_selection_controller_impl_unittest.cc',
         'view_model_unittest.cc',
         'view_model_utils_unittest.cc',
         'view_unittest.cc',
         'widget/desktop_aura/desktop_focus_rules_unittest.cc',
         'widget/desktop_aura/desktop_native_widget_aura_unittest.cc',
         'widget/desktop_aura/desktop_window_tree_host_win_unittest.cc',
         'widget/desktop_aura/desktop_screen_x11_unittest.cc',
         'widget/desktop_aura/desktop_screen_position_client_unittest.cc',
+        'widget/desktop_aura/x11_topmost_window_finder_unittest.cc',
         'widget/native_widget_aura_unittest.cc',
         'widget/native_widget_unittest.cc',
         'widget/root_view_unittest.cc',
         'widget/widget_unittest.cc',
         'widget/window_reorderer_unittest.cc',
         'window/dialog_client_view_unittest.cc',
         'window/dialog_delegate_unittest.cc',
       ],
       'conditions': [
         ['chromeos==0', {
@@ skipping 30 matching lines @@
             '../../base/allocator/allocator.gyp:allocator',
           ],
         }],
         # TODO(dmikurube): Kill linux_use_tcmalloc. http://crbug.com/345554
         ['OS=="linux" and ((use_allocator!="none" and use_allocator!="see_use_tcmalloc") or (use_allocator=="see_use_tcmalloc" and linux_use_tcmalloc==1))', {
            # See http://crbug.com/162998#c4 for why this is needed.
           'dependencies': [
             '../../base/allocator/allocator.gyp:allocator',
           ],
         }],
+        ['use_x11==1', {
+          'dependencies': [
+            '../../build/linux/system.gyp:x11',
+            '../../build/linux/system.gyp:xext',
+          ],
+        }],
         ['use_ozone==1', {
           'sources!': [
             'corewm/capture_controller_unittest.cc',
           ],
         }],
         ['use_aura==1', {
           'dependencies': [
             '../aura/aura.gyp:aura_test_support',
           ],
         }],
       ],
     },  # target_name: views_unittests
   ],
 }