Convert enable_pre_sync_backup flag to new flags system.

components/browser_sync/browser/profile_sync_service.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 "components/browser_sync/browser/profile_sync_service.h"
 
 #include <cstddef>
 #include <map>
 #include <vector>
 
@@ skipping 31 matching lines @@
 #include "components/sync_driver/change_processor.h"
 #include "components/sync_driver/data_type_controller.h"
 #include "components/sync_driver/device_info.h"
 #include "components/sync_driver/glue/chrome_report_unrecoverable_error.h"
 #include "components/sync_driver/glue/sync_backend_host.h"
 #include "components/sync_driver/glue/sync_backend_host_impl.h"
 #include "components/sync_driver/pref_names.h"
 #include "components/sync_driver/signin_manager_wrapper.h"
 #include "components/sync_driver/sync_api_component_factory.h"
 #include "components/sync_driver/sync_client.h"
+#include "components/sync_driver/sync_driver_features.h"
 #include "components/sync_driver/sync_driver_switches.h"
 #include "components/sync_driver/sync_error_controller.h"
 #include "components/sync_driver/sync_stopped_reporter.h"
 #include "components/sync_driver/sync_type_preference_provider.h"
 #include "components/sync_driver/sync_util.h"
 #include "components/sync_driver/system_encryptor.h"
 #include "components/sync_driver/user_selectable_sync_type.h"
 #include "components/sync_sessions/favicon_cache.h"
 #include "components/sync_sessions/session_data_type_controller.h"
 #include "components/sync_sessions/sessions_sync_manager.h"
@@ skipping 269 matching lines @@
     // Backup is needed if user's not signed in or signed in but previous
     // backup didn't finish, i.e. backend didn't switch from backup to sync.
     need_backup_ = !IsSignedIn() || sync_prefs_.GetFirstSyncTime().is_null();
 
     // Try to resume rollback if it didn't finish in last session.
     running_rollback = backup_rollback_controller_->StartRollback();
   } else {
     need_backup_ = false;
   }
 
-#if defined(ENABLE_PRE_SYNC_BACKUP)
+#if BUILDFLAG(ENABLE_PRE_SYNC_BACKUP)
   if (!running_rollback && !IsSignedIn()) {
     CleanUpBackup();
   }
 #else
   DCHECK(!running_rollback);
 #endif
 
   memory_pressure_listener_.reset(new base::MemoryPressureListener(base::Bind(
       &ProfileSyncService::OnMemoryPressure, weak_factory_.GetWeakPtr())));
   startup_controller_->Reset(GetRegisteredDataTypes());
@@ skipping 2207 matching lines @@
   if (first_sync_time.is_null())
     return;
 
   sync_client_->GetClearBrowsingDataCallback().Run(first_sync_time,
                                                    base::Time::Now());
 }
 
 void ProfileSyncService::CheckSyncBackupIfNeeded() {
   DCHECK_EQ(backend_mode_, SYNC);
 
-#if defined(ENABLE_PRE_SYNC_BACKUP)
+#if BUILDFLAG(ENABLE_PRE_SYNC_BACKUP)
   const base::Time last_synced_time = sync_prefs_.GetLastSyncedTime();
   // Check backup once a day.
   if (!last_backup_time_ &&
       (last_synced_time.is_null() ||
           base::Time::Now() - last_synced_time >=
               base::TimeDelta::FromDays(1))) {
     // If sync thread is set, need to serialize check on sync thread after
     // closing backup DB.
     if (sync_thread_) {
       sync_thread_->task_runner()->PostTask(
@@ skipping 123 matching lines @@
 }
 
 std::string ProfileSyncService::unrecoverable_error_message() const {
   return unrecoverable_error_message_;
 }
 
 tracked_objects::Location ProfileSyncService::unrecoverable_error_location()
     const {
   return unrecoverable_error_location_;
 }