Sync GN unit tests with GYP, add checking script.

chrome/chrome_tests_unit.gypi

 # Copyright 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': {
     'chrome_unit_tests_sources': [
       # histograms.xml is analyzed by AboutFlagsHistogramTest, so this
       # dependency is needed to make commit bots run unit_tests on
       # histograms.xml changes.
       '../tools/metrics/histograms/histograms.xml',
@@ skipping 530 matching lines @@
       'renderer/searchbox/search_bouncer_unittest.cc',
       'renderer/searchbox/searchbox_extension_unittest.cc',
       'renderer/searchbox/searchbox_unittest.cc',
       'renderer/web_apps_unittest.cc',
       'test/base/chrome_render_view_test.cc',
       'test/base/chrome_render_view_test.h',
       'test/base/menu_model_test.cc',
       'test/base/menu_model_test.h',
       'test/base/v8_unit_test.cc',
       'test/base/v8_unit_test.h',
-      'test/data/unit/framework_unittest.gtestjs',
       'test/logging/win/mof_data_parser_unittest.cc',
       'utility/chrome_content_utility_client_unittest.cc',
       'utility/cloud_print/pwg_encoder_unittest.cc',
 
       # Duplicate these tests here because PathService has more items in
       # unit_tests than in base_unittests.
       '../base/path_service_unittest.cc',
 
       '../components/search_engines/template_url_fetcher_unittest.cc',
       '../components/search_engines/template_url_parser_unittest.cc',
@@ skipping 551 matching lines @@
       'renderer/resources/extensions/notifications_test_util.js',
       '../ui/webui/resources/js/cr.js',
     ],
     'chrome_unit_tests_gtestjs_sources': [
       'browser/resources/google_now/background_unittest.gtestjs',
       'browser/resources/google_now/cards_unittest.gtestjs',
       'browser/resources/google_now/utility_unittest.gtestjs',
       'browser/resources/print_preview/data/measurement_system_unittest.gtestjs',
       'browser/resources/print_preview/print_preview_utils_unittest.gtestjs',
       'renderer/resources/extensions/notifications_custom_bindings.gtestjs',
+      'test/data/unit/framework_unittest.gtestjs',
     ],
     'chrome_unit_tests_chromeos_sources': [
       # TODO(lukasza): Move Drive tests outside of CrOS (crbug.com/498951).
       '../components/drive/file_change_unittest.cc',
       '../components/drive/job_queue_unittest.cc',
       '../components/drive/job_scheduler_unittest.cc',
       '../components/drive/local_file_reader_unittest.cc',
       'browser/chromeos/accessibility/magnification_manager_unittest.cc',
       'browser/chromeos/accessibility/spoken_feedback_event_rewriter_unittest.cc',
       'browser/chromeos/attestation/attestation_ca_client_unittest.cc',
@@ skipping 1755 matching lines @@
               'dependencies': [
                 '../tools/xdisplaycheck/xdisplaycheck.gyp:xdisplaycheck',
               ],
             }],
           ],
         },
       ],
     }],
   ],  # 'conditions'
 }