MacViews: Encapsulate some Aura specifics in widget_unittest.cc

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 609 matching lines @@
         'test/ui_controls_factory_desktop_aurax11.cc',
         'test/ui_controls_factory_desktop_aurax11.h',
         'test/views_test_base.cc',
         'test/views_test_base.h',
         'test/views_test_helper.cc',
         'test/views_test_helper.h',
         'test/views_test_helper_aura.cc',
         'test/views_test_helper_aura.h',
         'test/widget_test.cc',
         'test/widget_test.h',
+        'test/widget_test_aura.cc',
+        'test/widget_test_mac.mm',
         'test/x11_property_change_waiter.cc',
         'test/x11_property_change_waiter.h',
       ],
       'conditions': [
         ['chromeos==1', {
           'sources!': [
             'test/ui_controls_factory_desktop_aurax11.cc',
             'test/ui_controls_factory_desktop_aurax11.h',
           ],
         }],
@@ skipping 176 matching lines @@
             'ime/input_method_bridge_unittest.cc',
             'focus/focus_manager_unittest.cc',
             'widget/window_reorderer_unittest.cc',
             'widget/widget_unittest.cc',
           ]
         }],
       ],
     },  # target_name: views_unittests
   ],
 }