Refactored the CloudPolicyProvider so that it becomes initialized once and stays initialized.

chrome/chrome_tests.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.
 {
   'variables' : {
     'pyautolib_sources': [
       'app/chrome_command_ids.h',
       'app/chrome_dll_resource.h',
       'common/automation_constants.h',
       'common/pref_names.cc',
@@ skipping 1571 matching lines @@
         '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_win_unittest.cc',
         'browser/policy/configuration_policy_reader_unittest.cc',
         'browser/policy/device_management_service_unittest.cc',
+        'browser/policy/device_policy_cache_test_base.cc',
+        'browser/policy/device_policy_cache_test_base.h',
         'browser/policy/device_policy_cache_unittest.cc',
         'browser/policy/device_status_collector_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',
         'browser/policy/logging_work_scheduler.h',
         'browser/policy/logging_work_scheduler_unittest.cc',
         'browser/policy/mock_configuration_policy_provider.cc',
         'browser/policy/mock_configuration_policy_provider.h',
@@ skipping 630 matching lines @@
             ['exclude', '^browser/password_manager/native_backend_gnome_x_unittest.cc'],
             ['exclude', '^browser/password_manager/native_backend_kwallet_x_unittest.cc'],
             ['exclude', '^browser/safe_browsing/download_protection_service_unittest.cc' ],
           ],
         }, { # else: chromeos == 0
           'sources/': [
             ['exclude', '^browser/chromeos/'],
             ['exclude', '^browser/oom_priority_manager_unittest.cc'],
             ['exclude', '^browser/policy/auto_enrollment_client_unittest.cc' ],
             ['exclude', '^browser/policy/configuration_policy_handler_chromeos_unittest.cc' ],
+            ['exclude', '^browser/policy/device_policy_cache_test_base.cc'],
+            ['exclude', '^browser/policy/device_policy_cache_test_base.h'],
             ['exclude', '^browser/policy/device_policy_cache_unittest.cc'],
             ['exclude', '^browser/policy/device_status_collector_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/'],
             ['exclude', '^browser/ui/webui/options2/chromeos/'],
           ],
         }],
@@ skipping 2394 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'
 }