Regularize ownerships and lifecycle for storage monitor platform classes.

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/shell.h"
@@ skipping 526 matching lines @@
   // Add observers for WallpaperManager. This depends on PowerManagerClient,
   // TimezoneSettings and CrosSettings.
   WallpaperManager::Get()->AddObservers();
 
 #if defined(USE_LINUX_BREAKPAD)
   cros_version_loader_.GetVersion(VersionLoader::VERSION_FULL,
                                   base::Bind(&ChromeOSVersionCallback),
                                   &tracker_);
 #endif
 
+  storage_monitor_ = new StorageMonitorCros();
+
   // In Aura builds this will initialize ash::Shell.
   ChromeBrowserMainPartsLinux::PreProfileInit();
 }
 
 void ChromeBrowserMainPartsChromeos::PostProfileInit() {
   // -- This used to be in ChromeBrowserMainParts::PreMainMessageLoopRun()
   // -- just after CreateProfile().
 
   if (parsed_command_line().HasSwitch(::switches::kLoginUser) &&
       !parsed_command_line().HasSwitch(::switches::kLoginPassword)) {
@@ skipping 55 matching lines @@
       switches::kEnableScreensaverExtensions)) {
     screensaver_controller_.reset(new ScreensaverController());
   }
   suspend_observer_.reset(new SuspendObserver());
   if (KioskModeSettings::Get()->IsKioskModeEnabled()) {
     power_state_override_ = new PowerStateOverride(
         PowerStateOverride::BLOCK_DISPLAY_SLEEP);
   }
   chromeos::accessibility::Initialize();
 
-  storage_monitor_ = new StorageMonitorCros();
+  storage_monitor_->Init();
 
   // Initialize the network portal detector for Chrome OS. The network
   // portal detector starts to listen for notifications from
   // NetworkLibrary about changes in the NetworkManager and initiates
   // captive portal detection for active networks.
   if (NetworkPortalDetector::IsEnabled() &&
       NetworkPortalDetector::GetInstance()) {
     NetworkPortalDetector::GetInstance()->Init();
   }
 
@@ skipping 218 matching lines @@
     return;
 
   // If failed to launch, go back to login screen.
   LOG(ERROR) << "Failed to launch kiosk app. Fall back to login screen";
   OptionallyRunChromeOSLoginManager(parsed_command_line(), profile());
 
   // TODO(xiyuan): Show error message.
 }
 
 }  //  namespace chromeos