Straighten up includes of host_desktop.h/host_desktop_type.h

chrome/browser/ui/views/auto_keep_alive.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/views/auto_keep_alive.h"
 
 #include "chrome/browser/lifetime/application_lifetime.h"
 #include "chrome/browser/ui/host_desktop.h"
+#include "ui/gfx/host_desktop_type.h"
 
 AutoKeepAlive::AutoKeepAlive(gfx::NativeWindow window)
     : keep_alive_available_(false) {
   // In case of aura we want default to be keep alive not available for ash
   // because ash has keep alive set and we don't want additional keep alive
   // count.
   ui::HostDesktopType desktop_type =
       window ? chrome::GetHostDesktopTypeForNativeWindow(window)
              : chrome::GetActiveDesktop();
   if (desktop_type != ui::HOST_DESKTOP_TYPE_ASH) {
     keep_alive_available_ = true;
     chrome::IncrementKeepAliveCount();
   }
 }
 
 AutoKeepAlive::~AutoKeepAlive() {
   if (keep_alive_available_)
     chrome::DecrementKeepAliveCount();
 }