[MD settings] move extra options in category settings

chrome/browser/resources/settings/site_settings/category_setting_exceptions.js

+// Copyright 2015 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.
+
+/**
+ * @fileoverview
+ * 'category-setting-exceptions' is the polymer element for showing a certain
+ * category of exceptions under Site Settings.
+ */
+Polymer({
+  is: 'category-setting-exceptions',
+
+  /** @override */
+  ready: function() {
+    this.PermissionValues = settings.PermissionValues;
+  },
+});