Make registering custom hooks with schema_generated_bindings.js safer and

chrome/renderer/resources/extensions/chrome_private_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 chromePrivate API.
 
 (function() {
 
 native function GetChromeHidden();
 native function DecodeJPEG(jpegImage);
 
 GetChromeHidden().registerCustomHook('chromePrivate', function(bindingsAPI) {
   var apiFunctions = bindingsAPI.apiFunctions;
 
-  apiFunctions.setHandleRequest(
-      "chromePrivate.decodeJPEG", function(jpeg_image) {
+  apiFunctions.setHandleRequest('decodeJPEG', function(jpeg_image) {
     return DecodeJPEG(jpeg_image);
   });
 });
 
 })();