Make ui_unittests build on Win64

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 172 matching lines @@
                 'd3d10_1.lib',
               ],
             },
           },
           'link_settings': {
             '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',
@@ skipping 99 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' ],
         },
       ],
     }],
   ],
 }