ozone: Add ozone_unittests target

ui/ui_unittests.gyp

 # Copyright 2013 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 56 matching lines @@
         'base/text/bytes_formatting_unittest.cc',
         'base/view_prop_unittest.cc',
         'base/webui/web_ui_util_unittest.cc',
         'gfx/canvas_unittest.cc',
         'gfx/canvas_unittest_mac.mm',
         'gfx/platform_font_mac_unittest.mm',
         'gfx/render_text_unittest.cc',
       ],
       'includes': [
         'display/display_unittests.gypi',
-        'ozone/ozone_unittests.gypi',
       ],
       'include_dirs': [
         '../',
       ],
       'conditions': [
         ['OS!="ios"', {
           'sources' : ['<@(_all_sources)'],
           'includes': [
             'base/ime/ime_unittests.gypi',
           ],
@@ skipping 164 matching lines @@
           ],
           'variables': {
             'test_suite_name': 'ui_unittests',
           },
           'includes': [ '../build/apk_test.gypi' ],
         },
       ],
     }],
   ],
 }