chromeos: Explicitly initialize and shut down UpgradeDetectorChromeos.

chrome/browser/chromeos/chrome_browser_main_chromeos.cc

 // Copyright (c) 2011 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 "base/bind.h"
 #include "base/callback.h"
 #include "base/command_line.h"
 #include "base/lazy_instance.h"
 #include "base/message_loop.h"
 #include "chrome/browser/chromeos/bluetooth/bluetooth_manager.h"
 #include "chrome/browser/chromeos/boot_times_loader.h"
 #include "chrome/browser/chromeos/brightness_observer.h"
 #include "chrome/browser/chromeos/cros/cros_library.h"
 #include "chrome/browser/chromeos/dbus/dbus_thread_manager.h"
 #include "chrome/browser/chromeos/dbus/power_manager_client.h"
 #include "chrome/browser/chromeos/dbus/session_manager_client.h"
 #include "chrome/browser/chromeos/input_method/input_method_manager.h"
 #include "chrome/browser/chromeos/input_method/xkeyboard.h"
 #include "chrome/browser/chromeos/login/session_manager_observer.h"
 #include "chrome/browser/chromeos/net/cros_network_change_notifier_factory.h"
 #include "chrome/browser/chromeos/net/network_change_notifier_chromeos.h"
 #include "chrome/browser/chromeos/system/runtime_environment.h"
 #include "chrome/browser/chromeos/system/statistics_provider.h"
+#include "chrome/browser/chromeos/upgrade_detector_chromeos.h"
 #include "chrome/browser/defaults.h"
 #include "chrome/common/chrome_switches.h"
 #include "content/public/common/main_function_params.h"
 #include "net/base/network_change_notifier.h"
 
 #if defined(TOOLKIT_USES_GTK)
 #include <gtk/gtk.h>
 #endif
 
 class MessageLoopObserver : public MessageLoopForUI::Observer {
@@ skipping 38 matching lines @@
 
 static base::LazyInstance<MessageLoopObserver> g_message_loop_observer =
     LAZY_INSTANCE_INITIALIZER;
 
 ChromeBrowserMainPartsChromeos::ChromeBrowserMainPartsChromeos(
     const content::MainFunctionParams& parameters)
     : ChromeBrowserMainPartsLinux(parameters) {
 }
 
 ChromeBrowserMainPartsChromeos::~ChromeBrowserMainPartsChromeos() {
+  // Shutdown the upgrade detector for Chrome OS. The upgrade detector
+  // stops monitoring changes from the update engine.
+  if (UpgradeDetectorChromeos::GetInstance())
+    UpgradeDetectorChromeos::GetInstance()->Shutdown();
+
   // Shutdown the network change notifier for Chrome OS. The network
   // change notifier stops monitoring changes from the power manager and
   // the network manager.
   if (chromeos::CrosNetworkChangeNotifierFactory::GetInstance())
     chromeos::CrosNetworkChangeNotifierFactory::GetInstance()->Shutdown();
 
   chromeos::BluetoothManager::Shutdown();
 
   // We should remove observers attached to D-Bus clients before
   // DBusThreadManager is shut down.
@@ skipping 74 matching lines @@
   // Initialize the Chrome OS bluetooth subsystem
   if (parsed_command_line().HasSwitch(switches::kEnableBluetooth)) {
     chromeos::BluetoothManager::Initialize();
   }
 
   // Initialize the network change notifier for Chrome OS. The network
   // change notifier starts to monitor changes from the power manager and
   // the network manager.
   chromeos::CrosNetworkChangeNotifierFactory::GetInstance()->Init();
 
+  // Likewise, initialize the upgrade detector for Chrome OS. The upgrade
+  // detector starts to monitor changes from the update engine.
+  UpgradeDetectorChromeos::GetInstance()->Init();
+
   // For http://crosbug.com/p/5795 and http://crosbug.com/p/6245.
   // Enable Num Lock on X start up.
   if (chromeos::system::runtime_environment::IsRunningOnChromeOS()) {
     chromeos::input_method::InputMethodManager::GetInstance()->GetXKeyboard()->
         SetNumLockEnabled(true);
   }
 }