Remove GetExtensionService from Profile.

chrome/browser/extensions/permissions_updater.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/extensions/permissions_updater.h"
 
 #include "base/json/json_writer.h"
 #include "base/memory/ref_counted.h"
 #include "base/values.h"
 #include "chrome/browser/extensions/api/permissions/permissions_api_helpers.h"
@@ skipping 208 matching lines @@
           changed->apis(),
           changed->explicit_hosts(),
           changed->scriptable_hosts()));
   }
 
   // Trigger the onAdded and onRemoved events in the extension.
   DispatchEvent(extension->id(), event_name, changed);
 }
 
 ExtensionPrefs* PermissionsUpdater::GetExtensionPrefs() {
-  return profile_->GetExtensionService()->extension_prefs();
+  return extensions::ExtensionSystem::Get(profile_)->extension_service()->
+      extension_prefs();
 }
 
 }  // namespace extensions