make new syncer thread the default.

chrome/browser/sync/profile_sync_factory_impl.cc

 // Copyright (c) 2011 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 "base/command_line.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/sync/glue/app_data_type_controller.h"
 #include "chrome/browser/sync/glue/autofill_change_processor.h"
 #include "chrome/browser/sync/glue/autofill_data_type_controller.h"
 #include "chrome/browser/sync/glue/autofill_model_associator.h"
 #include "chrome/browser/sync/glue/autofill_profile_change_processor.h"
 #include "chrome/browser/sync/glue/autofill_profile_data_type_controller.h"
 #include "chrome/browser/sync/glue/autofill_profile_model_associator.h"
 #include "chrome/browser/sync/glue/bookmark_change_processor.h"
 #include "chrome/browser/sync/glue/bookmark_data_type_controller.h"
 #include "chrome/browser/sync/glue/bookmark_model_associator.h"
 #include "chrome/browser/sync/glue/data_type_manager_impl.h"
-#include "chrome/browser/sync/glue/data_type_manager_impl2.h"
 #include "chrome/browser/sync/glue/extension_change_processor.h"
 #include "chrome/browser/sync/glue/extension_data_type_controller.h"
 #include "chrome/browser/sync/glue/extension_model_associator.h"
 #include "chrome/browser/sync/glue/extension_sync_traits.h"
 #include "chrome/browser/sync/glue/password_change_processor.h"
 #include "chrome/browser/sync/glue/password_data_type_controller.h"
 #include "chrome/browser/sync/glue/password_model_associator.h"
 #include "chrome/browser/sync/glue/preference_change_processor.h"
 #include "chrome/browser/sync/glue/preference_data_type_controller.h"
 #include "chrome/browser/sync/glue/preference_model_associator.h"
@@ skipping 18 matching lines @@
 using browser_sync::AutofillDataTypeController;
 using browser_sync::AutofillProfileDataTypeController;
 using browser_sync::AutofillModelAssociator;
 using browser_sync::AutofillProfileModelAssociator;
 using browser_sync::BookmarkChangeProcessor;
 using browser_sync::BookmarkDataTypeController;
 using browser_sync::BookmarkModelAssociator;
 using browser_sync::DataTypeController;
 using browser_sync::DataTypeManager;
 using browser_sync::DataTypeManagerImpl;
-using browser_sync::DataTypeManagerImpl2;
 using browser_sync::ExtensionChangeProcessor;
 using browser_sync::ExtensionDataTypeController;
 using browser_sync::ExtensionModelAssociator;
 using browser_sync::PasswordChangeProcessor;
 using browser_sync::PasswordDataTypeController;
 using browser_sync::PasswordModelAssociator;
 using browser_sync::PreferenceChangeProcessor;
 using browser_sync::PreferenceDataTypeController;
 using browser_sync::PreferenceModelAssociator;
 using browser_sync::SessionChangeProcessor;
@@ skipping 85 matching lines @@
   if (!command_line_->HasSwitch(switches::kDisableSyncAutofillProfile)) {
     pss->RegisterDataTypeController(new AutofillProfileDataTypeController(
         this, profile_, pss));
   }
   return pss;
 }
 
 DataTypeManager* ProfileSyncFactoryImpl::CreateDataTypeManager(
     SyncBackendHost* backend,
     const DataTypeController::TypeMap& controllers) {
-  if (command_line_->HasSwitch(switches::kNewSyncerThread))
-    return new DataTypeManagerImpl2(backend, controllers);
-  else
-    return new DataTypeManagerImpl(backend, controllers);
+  return new DataTypeManagerImpl(backend, controllers);
 }
 
 ProfileSyncFactory::SyncComponents
 ProfileSyncFactoryImpl::CreateAppSyncComponents(
     ProfileSyncService* profile_sync_service,
     UnrecoverableErrorHandler* error_handler) {
   browser_sync::ExtensionSyncTraits traits = browser_sync::GetAppSyncTraits();
   // For now we simply use extensions sync objects with the app sync
   // traits.  If apps become more than simply extensions, we may have
   // to write our own apps model associator and/or change processor.
@@ skipping 134 matching lines @@
 ProfileSyncFactory::SyncComponents
 ProfileSyncFactoryImpl::CreateSessionSyncComponents(
     ProfileSyncService* profile_sync_service,
     UnrecoverableErrorHandler* error_handler) {
   SessionModelAssociator* model_associator =
       new SessionModelAssociator(profile_sync_service);
   SessionChangeProcessor* change_processor =
       new SessionChangeProcessor(error_handler, model_associator);
   return SyncComponents(model_associator, change_processor);
 }