Flesh out the location-page class to make it more general.

chrome/browser/resources/settings/site_settings/constants.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.
+
+cr.define('settings', function() {
+  /**
+   * The possible contentSettingsTypes (the ones we currently support
+   * configuring in the UI). This is a subset of the constants found under
+   * content_setttings_types.h and the values should be kept in sync.
+   * TODO(finnur): When all categories have been implemented we can just
+   * generate these constants from content_setttings_types.h.
+   * @enum {number}
+   */
+  var ContentSettingsTypes = {
+    COOKIES: 0,
+    IMAGES: 1,
+    JAVASCRIPT: 2,
+    POPUPS: 4,
+    GEOLOCATION: 5,
+    NOTIFICATION: 6,
+    FULLSCREEN: 8,
+    MIC: 12,
+    CAMERA: 13,
+  };
+
+  /**
+   * Contains the possible default values for a given contentSettingsType.
+   * @enum {number}
+   */
+  var DefaultValues = {
+    ALLOW: 1,
+    BLOCK: 2,
+    ASK: 3,
+  };
+
+  return {
+    ContentSettingsTypes: ContentSettingsTypes,
+    DefaultValues: DefaultValues,
+  };
+});