Revert of Remove HostDesktopType from AppLaunchParams

chrome/browser/ui/ash/system_tray_delegate_common.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/ui/ash/system_tray_delegate_common.h"
 
 #include "ash/networking_config_delegate.h"
 #include "ash/shell.h"
 #include "ash/shell_delegate.h"
 #include "ash/system/tray/system_tray.h"
@@ skipping 71 matching lines @@
 void SystemTrayDelegateCommon::ShowChromeSlow() {
 #if defined(OS_LINUX)
   chrome::ScopedTabbedBrowserDisplayer displayer(
       ProfileManager::GetPrimaryUserProfile());
   chrome::ShowSlow(displayer.browser());
 #endif  // defined(OS_LINUX)
 }
 
 void SystemTrayDelegateCommon::ShowHelp() {
   chrome::ShowHelpForProfile(ProfileManager::GetLastUsedProfile(),
+                             chrome::HOST_DESKTOP_TYPE_ASH,
                              chrome::HELP_SOURCE_MENU);
 }
 
 void SystemTrayDelegateCommon::RequestRestartForUpdate() {
   chrome::AttemptRestart();
 }
 
 int SystemTrayDelegateCommon::GetSystemTrayMenuWidth() {
   return l10n_util::GetLocalizedContentsWidthInPixels(
       IDS_SYSTEM_TRAY_MENU_BUBBLE_WIDTH_PIXELS);
@@ skipping 11 matching lines @@
     const content::NotificationSource& source,
     const content::NotificationDetails& details) {
   if (type == chrome::NOTIFICATION_UPGRADE_RECOMMENDED) {
     ash::UpdateInfo info;
     GetUpdateInfo(content::Source<UpgradeDetector>(source).ptr(), &info);
     GetSystemTrayNotifier()->NotifyUpdateRecommended(info);
   } else {
     NOTREACHED();
   }
 }