Surface error messages from ONC parsing in about:policy.

chrome/chrome_tests.gypi

 # Copyright (c) 2011 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' : {
     # Variables for js2gtest rules
     'gypv8sh': '../tools/gypv8sh.py',
     'js2gtest': 'test/base/js2gtest.js',
     'js2gtest_out_dir': '<(SHARED_INTERMEDIATE_DIR)/js2gtest',
     'mock_js': 'third_party/mock4js/mock4js.js',
@@ skipping 1450 matching lines @@
         'browser/password_manager/password_store_x_unittest.cc',
         'browser/plugin_prefs_unittest.cc',
         'browser/policy/asynchronous_policy_loader_unittest.cc',
         'browser/policy/asynchronous_policy_provider_unittest.cc',
         'browser/policy/asynchronous_policy_test_base.cc',
         'browser/policy/asynchronous_policy_test_base.h',
         'browser/policy/cloud_policy_controller_unittest.cc',
         'browser/policy/cloud_policy_provider_unittest.cc',
         'browser/policy/cloud_policy_subsystem_unittest.cc',
         'browser/policy/config_dir_policy_provider_unittest.cc',
+        'browser/policy/configuration_policy_handler_chromeos_unittest.cc',
         'browser/policy/configuration_policy_pref_store_unittest.cc',
+        'browser/policy/configuration_policy_provider_mac_unittest.cc',
         'browser/policy/configuration_policy_provider_test.cc',
         'browser/policy/configuration_policy_provider_test.h',
-        'browser/policy/configuration_policy_provider_mac_unittest.cc',
         'browser/policy/configuration_policy_provider_win_unittest.cc',
         'browser/policy/configuration_policy_reader_unittest.cc',
         'browser/policy/device_management_backend_mock.cc',
         'browser/policy/device_management_backend_mock.h',
         'browser/policy/device_management_service_unittest.cc',
         'browser/policy/device_policy_cache_unittest.cc',
         'browser/policy/device_token_fetcher_unittest.cc',
         'browser/policy/enterprise_install_attributes_unittest.cc',
         'browser/policy/file_based_policy_provider_unittest.cc',
         'browser/policy/logging_work_scheduler.cc',
@@ skipping 613 matching lines @@
             ['use_aura==1', {
               'sources!': [
                 'browser/chromeos/notifications/desktop_notifications_unittest.cc',
               ],
             }],
           ],
         }, { # else: chromeos == 0
           'sources/': [
             ['exclude', '^browser/chromeos/'],
             ['exclude', '^browser/oom_priority_manager_unittest.cc'],
+            ['exclude', '^browser/policy/configuration_policy_handler_chromeos_unittest.cc' ],
             ['exclude', '^browser/policy/device_policy_cache_unittest.cc'],
             ['exclude', '^browser/policy/enterprise_install_attributes_unittest.cc' ],
             ['exclude', '^browser/policy/network_configuration_updater_unittest.cc' ],
             ['exclude', '^browser/ui/webui/chromeos/imageburner/'],
             ['exclude', '^browser/ui/webui/chromeos/login'],
             ['exclude', '^browser/ui/webui/options/chromeos/'],
           ],
         }],
         ['toolkit_uses_gtk == 1', {
           'conditions': [
@@ skipping 2128 matching lines @@
               # Use outputs of this action as inputs for the main target build.
               # Seems as a misnomer but makes this happy on Linux (scons).
               'process_outputs_as_sources': 1,
             },
           ],  # 'actions'
         },
       ]
     }],  # 'coverage!=0'
   ],  # 'conditions'
 }