[Sync] Refactor GetEncryptedTypes usage.

sync/engine/download_updates_command.cc

 // 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.
 
 #include "sync/engine/download_updates_command.h"
 
 #include <string>
 
 #include "base/command_line.h"
 #include "sync/engine/syncer.h"
 #include "sync/engine/syncer_proto_util.h"
 #include "sync/internal_api/public/base/model_type_state_map.h"
 #include "sync/syncable/directory.h"
 #include "sync/syncable/read_transaction.h"
+#include "sync/util/cryptographer.h"
 
 using sync_pb::DebugInfo;
 
 namespace syncer {
 using sessions::StatusController;
 using sessions::SyncSession;
 using std::string;
 
 DownloadUpdatesCommand::DownloadUpdatesCommand(
     bool create_mobile_bookmarks_folder)
@@ skipping 132 matching lines @@
     // could be null in some unit tests.
     if (session->context()->debug_info_getter()) {
       session->context()->debug_info_getter()->GetAndClearDebugInfo(
           debug_info);
     }
     session->mutable_status_controller()->set_debug_info_sent();
   }
 }
 
 }  // namespace syncer