Generalize network_event_log -> device_event_log

chrome/browser/chromeos/system_logs/device_event_log_source.cc

+// Copyright 2014 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/device_event_log_source.h"
+
+#include "base/message_loop/message_loop.h"
+#include "chromeos/device_event_log.h"
+#include "content/public/browser/browser_thread.h"
+
+namespace system_logs {
+
+const char kNetworkEventLogEntry[] = "network_event_log";
+const char kDeviceEventLogEntry[] = "device_event_log";
+
+DeviceEventLogSource::DeviceEventLogSource() : SystemLogsSource("DeviceEvent") {
+}
+
+DeviceEventLogSource::~DeviceEventLogSource() {
+}
+
+void DeviceEventLogSource::Fetch(const SysLogsSourceCallback& callback) {
+  DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
+  DCHECK(!callback.is_null());
+
+  scoped_ptr<SystemLogsResponse> response(new SystemLogsResponse);
+  const int kMaxDeviceEventsForAboutSystem = 400;
+  (*response)[kNetworkEventLogEntry] = chromeos::device_event_log::GetAsString(
+      chromeos::device_event_log::OLDEST_FIRST, "time,file,level",
+      chromeos::device_event_log::LOG_TYPE_NETWORK,
+      chromeos::device_event_log::kDefaultLogLevel,
+      kMaxDeviceEventsForAboutSystem);
+  (*response)[kDeviceEventLogEntry] = chromeos::device_event_log::GetAsString(
+      chromeos::device_event_log::OLDEST_FIRST, "time,file,type,level",
+      chromeos::device_event_log::LOG_TYPE_NON_NETWORK,
+      chromeos::device_event_log::LOG_LEVEL_DEBUG,
+      kMaxDeviceEventsForAboutSystem);
+  callback.Run(response.get());
+}
+
+}  // namespace system_logs