Remove all old-style DeviceManagementService legacy.

chrome/chrome_tests.gypi

Index: chrome/chrome_tests.gypi
diff --git a/chrome/chrome_tests.gypi b/chrome/chrome_tests.gypi
index a4359e2428767c95fd4f733d3301cdb8ae412c05..3e6ba06ed98e6e275e61a19d5f859f50766390f4 100644
--- a/chrome/chrome_tests.gypi
+++ b/chrome/chrome_tests.gypi
@@ -138,10 +138,6 @@
         'browser/notifications/notification_test_util.h',
         'browser/policy/mock_cloud_policy_data_store.cc',
         'browser/policy/mock_cloud_policy_data_store.h',
-        'browser/policy/mock_device_management_service.cc',
-        'browser/policy/mock_device_management_service.h',
-        'browser/policy/mock_device_management_service_old.cc',
-        'browser/policy/mock_device_management_service_old.h',
         'browser/prefs/pref_observer_mock.cc',
         'browser/prefs/pref_observer_mock.h',
         'browser/prefs/pref_service_mock_builder.cc',
@@ -1559,8 +1555,6 @@
         '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_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_status_collector_unittest.cc',
@@ -1574,8 +1568,8 @@
         'browser/policy/mock_configuration_policy_provider.h',
         'browser/policy/mock_configuration_policy_reader.cc',
         'browser/policy/mock_configuration_policy_reader.h',
-        'browser/policy/mock_device_management_backend.cc',
-        'browser/policy/mock_device_management_backend.h',
+        'browser/policy/mock_device_management_service.cc',
+        'browser/policy/mock_device_management_service.h',
         'browser/policy/network_configuration_updater_unittest.cc',
         'browser/policy/policy_map_unittest.cc',
         'browser/policy/policy_path_parser_unittest.cc',
@@ -2634,8 +2628,6 @@
         'browser/notifications/desktop_notifications_unittest.cc',
         'browser/notifications/desktop_notifications_unittest.h',
         'browser/oom_priority_manager_browsertest.cc',
-        'browser/policy/device_management_backend_mock.cc',
-        'browser/policy/device_management_backend_mock.h',
         'browser/policy/device_management_service_browsertest.cc',
         'browser/popup_blocker_browsertest.cc',
         'browser/prerender/prefetch_browsertest.cc',