sync: Consistently refcount ModelSafeWorkers

sync/tools/sync_client.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 <cstddef>
 #include <cstdio>
 #include <string>
 
 #include "base/at_exit.h"
 #include "base/command_line.h"
@@ skipping 305 matching lines @@
   model_types.Put(FAVICON_IMAGES);
   model_types.Put(FAVICON_TRACKING);
 
   ModelSafeRoutingInfo routing_info;
   for (ModelTypeSet::Iterator it = model_types.First();
        it.Good(); it.Inc()) {
     routing_info[it.Get()] = GROUP_PASSIVE;
   }
   scoped_refptr<PassiveModelWorker> passive_model_safe_worker =
       new PassiveModelWorker(&sync_loop, NULL);
-  std::vector<ModelSafeWorker*> workers;
-  workers.push_back(passive_model_safe_worker.get());
+  std::vector<scoped_refptr<ModelSafeWorker> > workers;
+  workers.push_back(passive_model_safe_worker);
 
   // Set up sync manager.
   SyncManagerFactory sync_manager_factory;
   scoped_ptr<SyncManager> sync_manager =
       sync_manager_factory.CreateSyncManager("sync_client manager");
   LoggingJsEventHandler js_event_handler;
   const char kSyncServerAndPath[] = "clients4.google.com/chrome-sync/dev";
   int kSyncServerPort = 443;
   bool kUseSsl = true;
   // Used only by InitialProcessMetadata(), so it's okay to leave this as NULL.
@@ skipping 53 matching lines @@
   io_thread.Stop();
   return 0;
 }
 
 }  // namespace
 }  // namespace syncer
 
 int main(int argc, char* argv[]) {
   return syncer::SyncClientMain(argc, argv);
 }