sync: enable password sync by default.

chrome/browser/sync/profile_sync_factory_impl.cc

 // Copyright (c) 2010 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/defaults.h"
 #include "chrome/browser/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"
@@ skipping 93 matching lines @@
 
   // Extension sync is enabled by default.  Register unless explicitly
   // disabled.
   if (!command_line_->HasSwitch(switches::kDisableSyncExtensions)) {
     pss->RegisterDataTypeController(
         new ExtensionDataTypeController(this, profile_, pss));
   }
 
   // Password sync is disabled by default.  Register only if
   // explicitly enabled.
-  if (command_line_->HasSwitch(switches::kEnableSyncPasswords)) {
+  if (!command_line_->HasSwitch(switches::kDisableSyncPasswords)) {
     pss->RegisterDataTypeController(
         new PasswordDataTypeController(this, profile_, pss));
   }
 
   // Preference sync is enabled by default.  Register unless explicitly
   // disabled.
   if (!command_line_->HasSwitch(switches::kDisableSyncPreferences)) {
     pss->RegisterDataTypeController(
         new PreferenceDataTypeController(this, pss));
   }
@@ skipping 141 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);
 }