Add ExtensionSytem::Get(Profile*) as a wrapper around

chrome/browser/ui/webui/extensions/extension_settings_handler.cc

 // Copyright (c) 2012 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/webui/extensions/extension_settings_handler.h"
 
 #include "base/auto_reset.h"
 #include "base/base64.h"
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/command_line.h"
 #include "base/file_util.h"
 #include "base/string_number_conversions.h"
 #include "base/utf_string_conversions.h"
 #include "base/values.h"
 #include "base/version.h"
 #include "chrome/browser/debugger/devtools_window.h"
 #include "chrome/browser/extensions/crx_installer.h"
 #include "chrome/browser/extensions/extension_disabled_ui.h"
 #include "chrome/browser/extensions/extension_host.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/extensions/extension_system.h"
-#include "chrome/browser/extensions/extension_system_factory.h"
 #include "chrome/browser/extensions/extension_warning_set.h"
 #include "chrome/browser/extensions/lazy_background_task_queue.h"
 #include "chrome/browser/extensions/unpacked_installer.h"
 #include "chrome/browser/extensions/updater/extension_updater.h"
 #include "chrome/browser/google/google_util.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/tab_contents/background_contents.h"
 #include "chrome/browser/ui/webui/extensions/extension_icon_source.h"
 #include "chrome/common/chrome_notification_types.h"
 #include "chrome/common/chrome_switches.h"
@@ skipping 488 matching lines @@
     const Extension* extension =
         extension_service_->extensions()->GetByID(extension_id);
     DCHECK(extension);
 
     Profile* profile = extension_service_->profile();
     if (incognito)
       profile = profile->GetOffTheRecordProfile();
 
     ExtensionProcessManager* pm = profile->GetExtensionProcessManager();
     LazyBackgroundTaskQueue* queue =
-        ExtensionSystemFactory::GetForProfile(profile)->
-            lazy_background_task_queue();
+        ExtensionSystem::Get(profile)->lazy_background_task_queue();
 
     ExtensionHost* host = pm->GetBackgroundHostForExtension(extension->id());
     if (host) {
       InspectExtensionHost(host);
     } else {
       queue->AddPendingTask(
           profile, extension->id(),
           base::Bind(&ExtensionSettingsHandler::InspectExtensionHost,
                      base::Unretained(this)));
     }
@@ skipping 269 matching lines @@
   if (!extension_uninstall_dialog_.get()) {
     extension_uninstall_dialog_.reset(
         ExtensionUninstallDialog::Create(Profile::FromWebUI(web_ui()), this));
   }
   return extension_uninstall_dialog_.get();
 }
 
 void ExtensionSettingsHandler::InspectExtensionHost(ExtensionHost* host) {
   DevToolsWindow::OpenDevToolsWindow(host->render_view_host());
 }