Use URLFetcher to download ChromeOS recovery image config file

chrome/browser/chromeos/chrome_browser_main_chromeos.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/chrome_browser_main_chromeos.h"
 
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/command_line.h"
 #include "base/lazy_instance.h"
@@ skipping 210 matching lines @@
 // ChromeBrowserMainPartsChromeos ----------------------------------------------
 
 ChromeBrowserMainPartsChromeos::ChromeBrowserMainPartsChromeos(
     const content::MainFunctionParams& parameters)
     : ChromeBrowserMainPartsLinux(parameters) {
 }
 
 ChromeBrowserMainPartsChromeos::~ChromeBrowserMainPartsChromeos() {
   chromeos::ShutdownKioskModeScreensaver();
   cryptohome::AsyncMethodCaller::Shutdown();
-  chromeos::imageburner::BurnManager::Shutdown();
   chromeos::disks::DiskMountManager::Shutdown();
 
   // CrosLibrary is shut down before DBusThreadManager even though the former
   // is initialized before the latter becuase some of its libraries depend
   // on DBus clients.
   // TODO(hashimoto): Resolve this situation by removing CrosLibrary.
   // (crosbug.com/26160)
   if (!parameters().ui_task && chromeos::CrosLibrary::Get())
     chromeos::CrosLibrary::Shutdown();
 
@@ skipping 41 matching lines @@
 
   // Initialize DBusThreadManager for the browser. This must be done after
   // the main message loop is started, as it uses the message loop.
   chromeos::DBusThreadManager::Initialize();
 
   // Initialize the session manager observer so that we'll take actions
   // per signals sent from the session manager.
   session_manager_observer_.reset(new chromeos::SessionManagerObserver);
 
   chromeos::disks::DiskMountManager::Initialize();
-  chromeos::imageburner::BurnManager::Initialize();
   cryptohome::AsyncMethodCaller::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();
@@ skipping 15 matching lines @@
 #endif
   }
 
   ChromeBrowserMainPartsLinux::PostMainMessageLoopStart();
 }
 
 // Threads are initialized MainMessageLoopStart and MainMessageLoopRun.
 
 void ChromeBrowserMainPartsChromeos::PreMainMessageLoopRun() {
   chromeos::AudioHandler::Initialize();
+  chromeos::imageburner::BurnManager::Initialize();
 
   // Listen for system key events so that the user will be able to adjust the
   // volume on the login screen, if Chrome is running on Chrome OS
   // (i.e. not Linux desktop), and in non-test mode.
   // Note: SystemKeyEventListener depends on the DBus thread.
   if (chromeos::system::runtime_environment::IsRunningOnChromeOS() &&
       !parameters().ui_task) {  // ui_task is non-NULL when running tests.
     chromeos::SystemKeyEventListener::Initialize();
   }
 
@@ skipping 187 matching lines @@
   // these.
   chromeos::BluetoothManager::Shutdown();
 
   // The XInput2 event listener needs to be shut down earlier than when
   // Singletons are finally destroyed in AtExitManager.
   chromeos::XInputHierarchyChangedEventListener::GetInstance()->Stop();
 
   // chromeos::SystemKeyEventListener::Shutdown() is always safe to call,
   // even if Initialize() wasn't called.
   chromeos::SystemKeyEventListener::Shutdown();
+  chromeos::imageburner::BurnManager::Shutdown();
   chromeos::AudioHandler::Shutdown();
 
   chromeos::WebSocketProxyController::Shutdown();
 
 #if defined(USE_AURA)
   // Let VideoPropertyWriter unregister itself as an observer of the ash::Shell
   // singleton before the shell is destroyed.
   video_property_writer_.reset();
   // Remove PowerButtonObserver attached to a D-Bus client before
   // DBusThreadManager is shut down.
   power_button_observer_.reset();
 #endif
 
   ChromeBrowserMainPartsLinux::PostMainMessageLoopRun();
 }