Move chromeos specific utility functions for display to chromeos/display

ui/ui_unittests.gypi

 # 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.
 
 {
   'targets': [
     {
       'target_name': 'ui_test_support',
       'type': 'static_library',
       'dependencies': [
@@ skipping 193 matching lines @@
             'libraries': [
               '-limm32.lib',
               '-loleacc.lib',
             ],
           },
           # TODO(jschuh): crbug.com/167187 fix size_t to int truncations.
           'msvs_disabled_warnings': [ 4267, ],
         }],
         ['OS == "linux"', {
           'sources': [
-            'base/x/x11_util_unittest.cc',
             'gfx/platform_font_pango_unittest.cc',
           ],
         }],
         ['OS == "linux" and toolkit_views==1', {
           'sources': [
             'base/x/events_x_unittest.cc',
           ],
         }],
         ['OS != "mac" and OS != "ios"', {
           'sources': [
@@ skipping 96 matching lines @@
           'variables': {
             'test_suite_name': 'ui_unittests',
             'input_shlib_path': '<(SHARED_LIB_DIR)/<(SHARED_LIB_PREFIX)ui_unittests<(SHARED_LIB_SUFFIX)',
           },
           'includes': [ '../build/apk_test.gypi' ],
         },
       ],
     }],
   ],
 }