Straighten up includes of host_desktop.h/host_desktop_type.h

chrome/browser/extensions/api/launcher_page/launcher_page_api.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/extensions/api/launcher_page/launcher_page_api.h"
 
 #include "base/lazy_instance.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/app_list/app_list_service.h"
 #include "chrome/browser/ui/app_list/app_list_syncable_service.h"
 #include "chrome/browser/ui/app_list/app_list_syncable_service_factory.h"
+#include "chrome/browser/ui/host_desktop.h"
 #include "chrome/common/extensions/api/launcher_page.h"
 #include "content/public/browser/web_contents.h"
 #include "ui/app_list/app_list_model.h"
 
 namespace extensions {
 
 static base::LazyInstance<BrowserContextKeyedAPIFactory<LauncherPageAPI>>
     g_factory = LAZY_INSTANCE_INITIALIZER;
 
 // static
@@ skipping 66 matching lines @@
       LauncherPageAPI::GetFactoryInstance()
           ->Get(browser_context())
           ->GetService();
   app_list::AppListModel* model = service->GetModel();
   model->SetCustomLauncherPageEnabled(params->enabled);
 
   return RespondNow(NoArguments());
 }
 
 }  // namespace extensions