Re-factor network_event_log

chrome/browser/chromeos/system_logs/network_event_log_source.cc

Index: chrome/browser/chromeos/system_logs/network_event_log_source.cc
diff --git a/chrome/browser/chromeos/system_logs/network_event_log_source.cc b/chrome/browser/chromeos/system_logs/network_event_log_source.cc
index a6302dd2f0e76ae8dd801c0633aaabc468169def..add208a40601c87ac1697326bbb62103cab16506 100644
--- a/chrome/browser/chromeos/system_logs/network_event_log_source.cc
+++ b/chrome/browser/chromeos/system_logs/network_event_log_source.cc
@@ -20,7 +20,10 @@ void NetworkEventLogSource::Fetch(const SysLogsSourceCallback& callback) {
   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());
 }