Fix regions generation on windows.

ui/gfx/gfx_tests.gyp

 # Copyright 2014 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,
   },
   'targets': [
     {
@@ skipping 129 matching lines @@
           'sources!': [
             'screen_unittest.cc',
           ],
         }],
         ['OS == "win"', {
           'sources': [
             'color_profile_win_unittest.cc',
             'font_fallback_win_unittest.cc',
             'icon_util_unittest.cc',
             'icon_util_unittests.rc',
+            'path_win_unittest.cc',
             'platform_font_win_unittest.cc',
           ],
           'msvs_settings': {
             'VCLinkerTool': {
               'DelayLoadDLLs': [
                 'd2d1.dll',
                 'd3d10_1.dll',
               ],
               'AdditionalDependencies': [
                 'd2d1.lib',
@@ skipping 25 matching lines @@
           ],
           'variables': {
             'test_suite_name': 'gfx_unittests',
           },
           'includes': [ '../../build/apk_test.gypi' ],
         },
       ],
     }],
   ],
 }