Allow updateArgumentsPostValidate to support callbacks and added / removed arguments.

chrome/renderer/resources/extensions/content_settings_custom_bindings.js

 // 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.
 
 // Custom bindings for the contentSettings API.
 
 var chromeHidden = requireNative('chrome_hidden').GetChromeHidden();
 var sendRequest = require('sendRequest').sendRequest;
+var validate = require('schemaUtils').validate;
 
 chromeHidden.registerCustomType('contentSettings.ContentSetting', function() {
   function extendSchema(schema) {
     var extendedSchema = schema.slice();
     extendedSchema.unshift({'type': 'string'});
     return extendedSchema;
   }
 
   function ContentSetting(contentType, settingSchema) {
     this.get = function(details, callback) {
-      var getSchema = this.parameters.get;
-      chromeHidden.validate([details, callback], getSchema);
+      var getSchema = this.functionSchemas.get.definition.parameters;
+      validate([details, callback], getSchema);
       return sendRequest('contentSettings.get',
                          [contentType, details, callback],
                          extendSchema(getSchema));
     };
     this.set = function(details, callback) {
-      var setSchema = this.parameters.set.slice();
+      var setSchema = this.functionSchemas.set.definition.parameters.slice();
       setSchema[0].properties.setting = settingSchema;
-      chromeHidden.validate([details, callback], setSchema);
+      validate([details, callback], setSchema);
       return sendRequest('contentSettings.set',
                          [contentType, details, callback],
                          extendSchema(setSchema));
     };
     this.clear = function(details, callback) {
-      var clearSchema = this.parameters.clear;
-      chromeHidden.validate([details, callback], clearSchema);
+      var clearSchema = this.functionSchemas.clear.definition.parameters;
+      validate([details, callback], clearSchema);
       return sendRequest('contentSettings.clear',
                          [contentType, details, callback],
                          extendSchema(clearSchema));
     };
     this.getResourceIdentifiers = function(callback) {
-      var schema = this.parameters.getResourceIdentifiers;
-      chromeHidden.validate([callback], schema);
+      var schema =
+          this.functionSchemas.getResourceIdentifiers.definition.parameters;
+      validate([callback], schema);
       return sendRequest(
           'contentSettings.getResourceIdentifiers',
           [contentType, callback],
           extendSchema(schema));
     };
   }
 
   return ContentSetting;
 });