Fix cloud policy duplicate registrations issue.

chrome/chrome_tests.gypi

 # Copyright 2013 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' : {
     'pyautolib_sources': [
       'app/chrome_command_ids.h',
       'app/chrome_dll_resource.h',
       'common/automation_constants.h',
       'common/pref_names.cc',
@@ skipping 1232 matching lines @@
         'browser/net/cookie_policy_browsertest.cc',
         'browser/net/ftp_browsertest.cc',
         'browser/net/load_timing_observer_browsertest.cc',
         'browser/net/predictor_browsertest.cc',
         'browser/net/proxy_browsertest.cc',
         'browser/net/websocket_browsertest.cc',
         'browser/notifications/message_center_notifications_browsertest.cc',
         'browser/page_cycler/page_cycler_browsertest.cc',
         'browser/performance_monitor/performance_monitor_browsertest.cc',
         'browser/policy/cloud_policy_browsertest.cc',
+        'browser/policy/cloud_policy_manager_browsertest.cc',
         'browser/policy/device_management_service_browsertest.cc',
         'browser/policy/device_status_collector_browsertest.cc',
         'browser/policy/policy_browsertest.cc',
         'browser/policy/policy_prefs_browsertest.cc',
         'browser/popup_blocker_browsertest.cc',
         'browser/prefs/pref_service_browsertest.cc',
         'browser/prerender/prefetch_browsertest.cc',
         'browser/prerender/prerender_browsertest.cc',
         'browser/printing/cloud_print/test/cloud_print_policy_browsertest.cc',
         'browser/printing/cloud_print/test/cloud_print_proxy_process_browsertest.cc',
@@ skipping 1840 matching lines @@
               # more details.
               'DebugInformationFormat': '3',
               'ProgramDataBaseFileName': '<(PRODUCT_DIR)/browser_tests.exe.pdb',
             },
           },
         },
       ],
     }],
   ],  # 'conditions'
 }