Let SyncBackupManager keep backup data in memory until shutdown. Only persist

chrome/browser/sync/test_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 "chrome/browser/sync/test_profile_sync_service.h"
 
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/invalidation/profile_invalidation_provider_factory.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/signin/profile_oauth2_token_service_factory.h"
@@ skipping 43 matching lines @@
   options->credentials.sync_token = "token";
   options->credentials.scope_set.insert(GaiaConstants::kChromeSyncOAuth2Scope);
   options->restored_key_for_bootstrapping = "";
 
   // It'd be nice if we avoided creating the InternalComponentsFactory in the
   // first place, but SyncBackendHost will have created one by now so we must
   // free it. Grab the switches to pass on first.
   InternalComponentsFactory::Switches factory_switches =
       options->internal_components_factory->GetSwitches();
   options->internal_components_factory.reset(
-      new TestInternalComponentsFactory(factory_switches,
-                                        syncer::STORAGE_IN_MEMORY));
+      new TestInternalComponentsFactory(
+          factory_switches, InternalComponentsFactory::STORAGE_IN_MEMORY,
+          InternalComponentsFactory::STORAGE_ON_DISK));
 
   SyncBackendHostImpl::InitCore(options.Pass());
 }
 
 void SyncBackendHostForProfileSyncTest::RequestConfigureSyncer(
     syncer::ConfigureReason reason,
     syncer::ModelTypeSet to_download,
     syncer::ModelTypeSet to_purge,
     syncer::ModelTypeSet to_journal,
     syncer::ModelTypeSet to_unapply,
@@ skipping 92 matching lines @@
 
 void TestProfileSyncService::OnConfigureDone(
     const sync_driver::DataTypeManager::ConfigureResult& result) {
   ProfileSyncService::OnConfigureDone(result);
   base::MessageLoop::current()->Quit();
 }
 
 UserShare* TestProfileSyncService::GetUserShare() const {
   return backend_->GetUserShare();
 }