Fix black background when locking with fullscreen window:

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': [
+        'ui',
         '../base/base.gyp:base',
+        '../base/base.gyp:test_support_base',
         '../skia/skia.gyp:skia',
         '../testing/gtest.gyp:gtest',
       ],
       'sources': [
+        'base/animation/animation_container_test_helper.cc',
+        'base/animation/animation_container_test_helper.h',
         'base/test/cocoa_test_event_utils.h',
         'base/test/cocoa_test_event_utils.mm',
         'base/test/ui_cocoa_test_helper.h',
         'base/test/ui_cocoa_test_helper.mm',
         'base/test/dummy_input_method.cc',
         'base/test/dummy_input_method.h',
       ],
       'include_dirs': [
         '../',
       ],
@@ skipping 264 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' ],
         },
       ],
     }],
   ],
 }