[Sync] Maintain a global_id mapping to update UserEvents that references navigations

chrome/browser/sync/user_event_service_factory.cc

 // Copyright 2017 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 "chrome/browser/sync/user_event_service_factory.h"
 
 #include <memory>
 #include <utility>
 
 #include "base/memory/ptr_util.h"
@@ skipping 37 matching lines @@
   }
 
   Profile* profile = Profile::FromBrowserContext(context);
   syncer::ModelTypeStoreFactory store_factory =
       browser_sync::ProfileSyncService::GetModelTypeStoreFactory(
           syncer::USER_EVENTS, profile->GetPath());
   syncer::ModelTypeSyncBridge::ChangeProcessorFactory processor_factory =
       base::BindRepeating(&syncer::ModelTypeChangeProcessor::Create,
                           base::BindRepeating(&syncer::ReportUnrecoverableError,
                                               chrome::GetChannel()));
+  syncer::SyncService* sync_service =
+      ProfileSyncServiceFactory::GetForProfile(profile);
   auto bridge = base::MakeUnique<syncer::UserEventSyncBridge>(
-      std::move(store_factory), std::move(processor_factory));
-  return new syncer::UserEventServiceImpl(
-      ProfileSyncServiceFactory::GetForProfile(profile), std::move(bridge));
+      std::move(store_factory), std::move(processor_factory),
+      sync_service->GetGlobalIdMapper());
+  return new syncer::UserEventServiceImpl(sync_service, std::move(bridge));
 }
 
 content::BrowserContext* UserEventServiceFactory::GetBrowserContextToUse(
     content::BrowserContext* context) const {
   return chrome::GetBrowserContextOwnInstanceInIncognito(context);
 }
 
 }  // namespace browser_sync