Add types.private.ChromeDirectSetting and Connect it to preferencesPrivate.googleGeolocationAccessE…

chrome/renderer/resources/extensions/chrome_direct_setting.js

+// Copyright (c) 2013 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.
+
+var Event = require('event_bindings').Event;
+var sendRequest = require('sendRequest').sendRequest;
+var validate = require('schemaUtils').validate;
+
+function extendSchema(schema) {
+  var extendedSchema = $Array.slice(schema);
+  extendedSchema.unshift({'type': 'string'});
+  return extendedSchema;
+}
+
+function ChromeDirectSetting(prefKey, valueSchema) {
+  this.get = function(details, callback) {
+    var getSchema = this.functionSchemas.get.definition.parameters;
+    validate([details, callback], getSchema);
+    return sendRequest('types.private.ChromeDirectSetting.get',
+                       [prefKey, details, callback],
+                       extendSchema(getSchema));
+  };
+  this.set = function(details, callback) {
+    var setSchema = $Array.slice(
+        this.functionSchemas.set.definition.parameters);
+    setSchema[0].properties.value = valueSchema;
+    validate([details, callback], setSchema);
+    return sendRequest('types.private.ChromeDirectSetting.set',
+                       [prefKey, details, callback],
+                       extendSchema(setSchema));
+  };
+  this.clear = function(details, callback) {
+    var clearSchema = this.functionSchemas.clear.definition.parameters;
+    validate([details, callback], clearSchema);
+    return sendRequest('types.private.ChromeDirectSetting.clear',
+                       [prefKey, details, callback],
+                       extendSchema(clearSchema));
+  };
+  this.onChange = new Event('types.private.ChromeDirectSetting.' +
+                            prefKey +
+                            '.onChange');
+};
+
+exports.ChromeDirectSetting = ChromeDirectSetting;
+