Convert chrome://policy to new WebUI style

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.
 {
   'targets': [
     {
       # This target contains mocks and test utilities that don't belong in
       # production libraries but are used by more than one test executable.
       'target_name': 'test_support_common',
       'type': 'static_library',
@@ skipping 1400 matching lines @@
         'browser/ui/views/tabs/tab_unittest.cc',
         'browser/ui/views/tabs/tab_strip_unittest.cc',
         'browser/ui/web_contents_modal_dialog_manager_unittest.cc',
         'browser/ui/website_settings/website_settings_unittest.cc',
         'browser/ui/webui/fileicon_source_unittest.cc',
         'browser/ui/webui/ntp/android/partner_bookmarks_shim_unittest.cc',
         'browser/ui/webui/ntp/suggestions_combiner_unittest.cc',
         'browser/ui/webui/options/language_options_handler_unittest.cc',
         'browser/ui/webui/options/pepper_flash_content_settings_utils_unittest.cc',
         'browser/ui/webui/performance_monitor/performance_monitor_ui_util_unittest.cc',
-        'browser/ui/webui/policy_ui_unittest.cc',
         'browser/ui/webui/print_preview/print_preview_ui_unittest.cc',
         'browser/ui/webui/signin/login_ui_service_unittest.cc',
         'browser/ui/webui/sync_internals_ui_unittest.cc',
         'browser/ui/webui/sync_setup_handler_unittest.cc',
         'browser/ui/webui/theme_source_unittest.cc',
         'browser/ui/webui/web_dialog_web_contents_delegate_unittest.cc',
         'browser/ui/webui/web_ui_unittest.cc',
         'browser/ui/window_sizer/window_sizer_ash_unittest.cc',
         'browser/ui/window_sizer/window_sizer_common_unittest.cc',
         'browser/ui/window_sizer/window_sizer_unittest.cc',
@@ skipping 372 matching lines @@
         }],
         ['file_manager_extension==0', {
           'sources!': [
             'browser/ui/views/select_file_dialog_extension_unittest.cc',
           ],
         }],
         ['configuration_policy==0', {
           'sources!': [
             'browser/extensions/api/storage/policy_value_store_unittest.cc',
             'browser/prefs/proxy_policy_unittest.cc',
-            'browser/ui/webui/policy_ui_unittest.cc',
           ],
           'sources/': [
             ['exclude', '^browser/policy/'],
           ],
         }],
         ['input_speech==0', {
           'sources/': [
             ['exclude', '^browser/speech/'],
           ],
         }],
@@ skipping 538 matching lines @@
               # more details.
               'DebugInformationFormat': '3',
               'ProgramDataBaseFileName': '<(PRODUCT_DIR)/unit_tests.exe.pdb',
             },
           },
         },
       ],
     }],
   ],  # 'conditions'
 }