Remove calls to deprecated MessageLoop methods in sync.

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 <stdint.h>
 
 #include <cstddef>
 #include <cstdio>
 #include <memory>
 #include <string>
 #include <utility>
 
 #include "base/at_exit.h"
 #include "base/command_line.h"
 #include "base/compiler_specific.h"
 #include "base/debug/stack_trace.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/json/json_writer.h"
 #include "base/logging.h"
 #include "base/memory/ptr_util.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/weak_ptr.h"
 #include "base/message_loop/message_loop.h"
 #include "base/rand_util.h"
+#include "base/run_loop.h"
 #include "base/task_runner.h"
 #include "base/threading/thread.h"
 #include "build/build_config.h"
 #include "components/invalidation/impl/non_blocking_invalidator.h"
 #include "components/invalidation/public/object_id_invalidation_map.h"
 #include "components/sync_driver/invalidation_helper.h"
 #include "jingle/notifier/base/notification_method.h"
 #include "jingle/notifier/base/notifier_options.h"
 #include "net/base/host_port_pair.h"
 #include "net/base/network_change_notifier.h"
@@ skipping 412 matching lines @@
   // TODO(akalin): Avoid passing in model parameters multiple times by
   // organizing handling of model types.
   invalidator->UpdateCredentials(credentials.email, credentials.sync_token);
   std::unique_ptr<InvalidatorShim> shim(
       new InvalidatorShim(sync_manager.get()));
   invalidator->RegisterHandler(shim.get());
   CHECK(invalidator->UpdateRegisteredIds(
       shim.get(), ModelTypeSetToObjectIdSet(model_types)));
   sync_manager->StartSyncingNormally(routing_info, base::Time());
 
-  sync_loop.Run();
+  base::RunLoop().Run();
 
   io_thread.Stop();
   return 0;
 }
 
 }  // namespace
 }  // namespace syncer
 
 int main(int argc, char* argv[]) {
   return syncer::SyncClientMain(argc, argv);
 }