Fix device_event_log component build, make NonThreadSafe (Take 2)

chrome/browser/chromeos/chrome_browser_main_chromeos.cc

 // Copyright (c) 2013 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/chrome_browser_main_chromeos.h"
 
 #include <string>
 #include <vector>
 
 #include "ash/ash_switches.h"
@@ skipping 91 matching lines @@
 #include "chromeos/dbus/session_manager_client.h"
 #include "chromeos/disks/disk_mount_manager.h"
 #include "chromeos/login/login_state.h"
 #include "chromeos/login/user_names.h"
 #include "chromeos/login_event_recorder.h"
 #include "chromeos/network/network_change_notifier_chromeos.h"
 #include "chromeos/network/network_change_notifier_factory_chromeos.h"
 #include "chromeos/network/network_handler.h"
 #include "chromeos/system/statistics_provider.h"
 #include "chromeos/tpm/tpm_token_loader.h"
+#include "components/device_event_log/device_event_log.h"
 #include "components/metrics/metrics_service.h"
 #include "components/ownership/owner_key_util.h"
 #include "components/session_manager/core/session_manager.h"
 #include "components/user_manager/user.h"
 #include "components/user_manager/user_manager.h"
 #include "components/wallpaper/wallpaper_manager_base.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/common/main_function_params.h"
 #include "device/bluetooth/bluetooth_adapter_factory.h"
@@ skipping 181 matching lines @@
 void ChromeBrowserMainPartsChromeos::PreMainMessageLoopStart() {
   // Replace the default NetworkChangeNotifierFactory with ChromeOS specific
   // implementation. This must be done before BrowserMainLoop calls
   // net::NetworkChangeNotifier::Create() in MainMessageLoopStart().
   net::NetworkChangeNotifier::SetFactory(
       new NetworkChangeNotifierFactoryChromeos());
   ChromeBrowserMainPartsLinux::PreMainMessageLoopStart();
 }
 
 void ChromeBrowserMainPartsChromeos::PostMainMessageLoopStart() {
+  // device_event_log must be initialized after the message loop.
+  device_event_log::Initialize(0 /* default max entries */);
+
   base::FilePath user_data_dir;
   if (!base::SysInfo::IsRunningOnChromeOS() &&
       PathService::Get(chrome::DIR_USER_DATA, &user_data_dir)) {
     // Override some paths with stub locations so that cloud policy and
     // enterprise enrollment work on desktop builds, for ease of
     // development.
     chromeos::RegisterStubPathOverrides(user_data_dir);
   }
 
   dbus_services_.reset(new internal::DBusServices(parameters()));
@@ skipping 447 matching lines @@
   // Destroy DBus services immediately after threads are stopped.
   dbus_services_.reset();
 
   ChromeBrowserMainPartsLinux::PostDestroyThreads();
 
   // Destroy DeviceSettingsService after g_browser_process.
   DeviceSettingsService::Shutdown();
 }
 
 }  //  namespace chromeos