sync: add InternalComponentsFactory::Switches to simplify passing switches to internal components.

sync/internal_api/test/fake_sync_manager.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/internal_api/public/test/fake_sync_manager.h"
 
 #include <cstddef>
 
 #include "base/bind.h"
 #include "base/location.h"
@@ skipping 93 matching lines @@
     bool use_ssl,
     const scoped_refptr<base::TaskRunner>& blocking_task_runner,
     scoped_ptr<HttpPostProviderFactory> post_factory,
     const std::vector<ModelSafeWorker*>& workers,
     ExtensionsActivityMonitor* extensions_activity_monitor,
     ChangeDelegate* change_delegate,
     const SyncCredentials& credentials,
     scoped_ptr<SyncNotifier> sync_notifier,
     const std::string& restored_key_for_bootstrapping,
     const std::string& restored_keystore_key_for_bootstrapping,
-    bool keystore_encryption_enabled,
     scoped_ptr<InternalComponentsFactory> internal_components_factory,
     Encryptor* encryptor,
     UnrecoverableErrorHandler* unrecoverable_error_handler,
     ReportUnrecoverableErrorFunction
         report_unrecoverable_error_function) {
   sync_task_runner_ = base::ThreadTaskRunnerHandle::Get();
   PurgePartiallySyncedTypes();
   FOR_EACH_OBSERVER(SyncManager::Observer, observers_,
                     OnInitializationComplete(
                         syncer::WeakHandle<syncer::JsBackend>(),
@@ skipping 169 matching lines @@
   registrar_.EmitOnNotificationsEnabled();
 }
 
 void FakeSyncManager::DisableNotificationsOnSyncThread(
     NotificationsDisabledReason reason) {
   DCHECK(sync_task_runner_->RunsTasksOnCurrentThread());
   registrar_.EmitOnNotificationsDisabled(reason);
 }
 
 }  // namespace syncer