Allow updateArgumentsPostValidate to support callbacks and added / removed arguments.

chrome/renderer/resources/extensions/content_settings_custom_bindings.js

Index: chrome/renderer/resources/extensions/content_settings_custom_bindings.js
diff --git a/chrome/renderer/resources/extensions/content_settings_custom_bindings.js b/chrome/renderer/resources/extensions/content_settings_custom_bindings.js
index 826ff4553bd0e412da8569be70a03287a0fa5279..d92efc1f9d9ef568342b8137a0be0eb12de7371e 100644
--- a/chrome/renderer/resources/extensions/content_settings_custom_bindings.js
+++ b/chrome/renderer/resources/extensions/content_settings_custom_bindings.js
@@ -6,6 +6,7 @@
 
 var chromeHidden = requireNative('chrome_hidden').GetChromeHidden();
 var sendRequest = require('sendRequest').sendRequest;
+var validate = require('schemaUtils').validate;
 
 chromeHidden.registerCustomType('contentSettings.ContentSetting', function() {
   function extendSchema(schema) {
@@ -16,30 +17,31 @@ chromeHidden.registerCustomType('contentSettings.ContentSetting', function() {
 
   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],