sync: Consistently refcount ModelSafeWorkers

chrome/browser/sync/glue/sync_backend_host_impl.cc

 // Copyright 2013 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/glue/sync_backend_host_impl.h"
 
 #include "base/command_line.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/invalidation/invalidation_service.h"
 #include "chrome/browser/invalidation/invalidation_service_factory.h"
@@ skipping 73 matching lines @@
     syncer::NetworkResources* network_resources) {
   registrar_.reset(new browser_sync::SyncBackendRegistrar(name_,
                                             profile_,
                                             sync_thread.Pass()));
   CHECK(registrar_->sync_thread());
 
   frontend_ = frontend;
   DCHECK(frontend);
 
   syncer::ModelSafeRoutingInfo routing_info;
-  std::vector<syncer::ModelSafeWorker*> workers;
+  std::vector<scoped_refptr<syncer::ModelSafeWorker> > workers;
   registrar_->GetModelSafeRoutingInfo(&routing_info);
   registrar_->GetWorkers(&workers);
 
   InternalComponentsFactory::Switches factory_switches = {
     InternalComponentsFactory::ENCRYPTION_KEYSTORE,
     InternalComponentsFactory::BACKOFF_NORMAL
   };
 
   CommandLine* cl = CommandLine::ForCurrentProcess();
   if (cl->HasSwitch(switches::kSyncShortInitialRetryOverride)) {
@@ skipping 641 matching lines @@
 base::MessageLoop* SyncBackendHostImpl::GetSyncLoopForTesting() {
   return registrar_->sync_thread()->message_loop();
 }
 
 }  // namespace browser_sync
 
 #undef SDVLOG
 
 #undef SLOG