Define a LoggingSettings struct to use for InitLogging()

sync/tools/sync_listen_notifications.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 132 matching lines @@
   return notifier_options;
 }
 
 int SyncListenNotificationsMain(int argc, char* argv[]) {
   using namespace syncer;
 #if defined(OS_MACOSX)
   base::mac::ScopedNSAutoreleasePool pool;
 #endif
   base::AtExitManager exit_manager;
   CommandLine::Init(argc, argv);
-  logging::InitLogging(
-      NULL,
-      logging::LOG_ONLY_TO_SYSTEM_DEBUG_LOG,
-      logging::LOCK_LOG_FILE,
-      logging::DELETE_OLD_LOG_FILE,
-      logging::DISABLE_DCHECK_FOR_NON_OFFICIAL_RELEASE_BUILDS);
+  logging::LoggingSettings settings;
+  settings.logging_dest = logging::LOG_TO_SYSTEM_DEBUG_LOG;
+  logging::InitLogging(settings);
 
   base::MessageLoop ui_loop;
   base::Thread io_thread("IO thread");
   base::Thread::Options options;
   options.message_loop_type = base::MessageLoop::TYPE_IO;
   io_thread.StartWithOptions(options);
 
   // Parse command line.
   const CommandLine& command_line = *CommandLine::ForCurrentProcess();
   std::string email = command_line.GetSwitchValueASCII(kEmailSwitch);
@@ skipping 45 matching lines @@
   io_thread.Stop();
   return 0;
 }
 
 }  // namespace
 }  // namespace syncer
 
 int main(int argc, char* argv[]) {
   return syncer::SyncListenNotificationsMain(argc, argv);
 }