Fix memory leak of Route newly created notifications to notification provider API

chrome/chrome_tests_unit.gypi

Index: chrome/chrome_tests_unit.gypi
diff --git a/chrome/chrome_tests_unit.gypi b/chrome/chrome_tests_unit.gypi
index 0b0431de09e2e635d53155d837b91e1cb73cdc0b..8b3bedb6f88926efc101ef7711d6b58b23ebee7a 100644
--- a/chrome/chrome_tests_unit.gypi
+++ b/chrome/chrome_tests_unit.gypi
@@ -1116,6 +1116,7 @@
         'browser/notifications/login_state_notification_blocker_chromeos_unittest.cc',
         'browser/notifications/message_center_notifications_unittest.cc',
         'browser/notifications/message_center_settings_controller_unittest.cc',
+        'browser/notifications/notification_conversion_helper_unittest.cc',
         'browser/omaha_query_params/chrome_omaha_query_params_delegate_unittest.cc',
         'browser/password_manager/chrome_password_manager_client_unittest.cc',
         'browser/password_manager/native_backend_gnome_x_unittest.cc',