Refactor loading out of ExtensionService.

chrome/browser/download/download_crx_util.cc

 // Copyright (c) 2011 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.
 //
 // Download code which handles CRX files (extensions, themes, apps, ...).
 
 #include "chrome/browser/download/download_util.h"
 #include "chrome/browser/extensions/crx_installer.h"
 #include "chrome/browser/extensions/extension_install_ui.h"
 #include "chrome/browser/extensions/extension_service.h"
@@ skipping 37 matching lines @@
 
 scoped_refptr<CrxInstaller> OpenChromeExtension(
     Profile* profile,
     const DownloadItem& download_item) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 
   ExtensionService* service = profile->GetExtensionService();
   CHECK(service);
 
   scoped_refptr<CrxInstaller> installer(
-      service->MakeCrxInstaller(CreateExtensionInstallUI(profile)));
+      CrxInstaller::Create(service, CreateExtensionInstallUI(profile)));
   installer->set_delete_source(true);
 
   if (UserScript::IsURLUserScript(download_item.GetURL(),
                                   download_item.mime_type())) {
     installer->InstallUserScript(download_item.full_path(),
                                  download_item.GetURL());
   } else {
     bool is_gallery_download = service->IsDownloadFromGallery(
         download_item.GetURL(), download_item.referrer_url());
     installer->set_original_mime_type(download_item.original_mime_type());
     installer->set_apps_require_extension_mime_type(true);
     installer->set_download_url(download_item.GetURL());
     installer->set_is_gallery_install(is_gallery_download);
     if (is_gallery_download)
       installer->set_original_download_url(download_item.original_url());
     installer->set_allow_silent_install(is_gallery_download);
     installer->set_install_cause(extension_misc::INSTALL_CAUSE_USER_DOWNLOAD);
     installer->InstallCrx(download_item.full_path());
   }
 
   return installer;
 }
 
 }  // namespace download_crx_util