Remove GetExtensionService from Profile.

chrome/browser/chromeos/login/help_app_launcher.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/chromeos/login/help_app_launcher.h"
 
 #include <string>
 
 #include "base/stringprintf.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/extensions/extension_service.h"
+#include "chrome/browser/extensions/extension_system.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/profiles/profile_manager.h"
 #include "content/public/browser/browser_thread.h"
 #include "grit/generated_resources.h"
 #include "ui/base/l10n/l10n_util.h"
 
 using content::BrowserThread;
 
 namespace {
 
 const char kHelpAppFormat[] =
     "chrome-extension://honijodknafkokifofgiaalefdiedpko/oobe.html?id=%d";
 
 }  // namespace
 
 namespace chromeos {
 
 ///////////////////////////////////////////////////////////////////////////////
 // HelpApp, public:
 
 HelpAppLauncher::HelpAppLauncher(gfx::NativeWindow parent_window)
     : parent_window_(parent_window) {
 }
 
 void HelpAppLauncher::ShowHelpTopic(HelpTopic help_topic_id) {
   Profile* profile = ProfileManager::GetDefaultProfile();
-  ExtensionService* service = profile->GetExtensionService();
+  ExtensionService* service =
+      extensions::ExtensionSystem::Get(profile)->extension_service();
 
   DCHECK(service);
   if (!service)
     return;
 
   GURL url(base::StringPrintf(kHelpAppFormat,
                               static_cast<int>(help_topic_id)));
   // HelpApp component extension presents only in official builds so we can
   // show help only when the extensions is installed.
   if (service->extensions()->GetByID(url.host()))
@@ skipping 14 matching lines @@
       this,
       parent_window_,
       l10n_util::GetStringUTF16(IDS_LOGIN_OOBE_HELP_DIALOG_TITLE),
       topic_url,
       LoginWebDialog::STYLE_BUBBLE);
   dialog->Show();
   // The dialog object will be deleted on dialog close.
 }
 
 }  // namespace chromeos