Re-factor network_event_log

chrome/browser/chromeos/system_logs/network_event_log_source.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 "chrome/browser/chromeos/system_logs/network_event_log_source.h"
 
 #include "base/message_loop.h"
 #include "chrome/browser/chromeos/system_logs/system_logs_fetcher.h"
 #include "chromeos/network/network_event_log.h"
 #include "content/public/browser/browser_thread.h"
 
 namespace chromeos {
 
 const char kNetworkEventLogEntry[] = "network_event_log";
 
 void NetworkEventLogSource::Fetch(const SysLogsSourceCallback& callback) {
   DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
   DCHECK(!callback.is_null());
 
   scoped_ptr<SystemLogsResponse> response(new SystemLogsResponse);
   const int kMaxNetworkEventsForAboutSystem = 200;
   (*response)[kNetworkEventLogEntry] = network_event_log::GetAsString(
-      network_event_log::OLDEST_FIRST, kMaxNetworkEventsForAboutSystem);
+      network_event_log::OLDEST_FIRST,
+      "time,file,desc",
+      network_event_log::kDefaultLogLevel,
+      kMaxNetworkEventsForAboutSystem);
   callback.Run(response.get());
 }
 
 }  // namespace chromeos