Revert 184837

chrome/renderer/resources/extensions/sync_file_system_custom_bindings.js

Index: chrome/renderer/resources/extensions/sync_file_system_custom_bindings.js
===================================================================
--- chrome/renderer/resources/extensions/sync_file_system_custom_bindings.js	(revision 184858)
+++ chrome/renderer/resources/extensions/sync_file_system_custom_bindings.js	(working copy)
@@ -2,15 +2,13 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// Custom binding for the syncFileSystem API.
+// Custom bindings for the syncFileSystem API.
 
-var binding = require('binding').Binding.create('syncFileSystem');
-
 var chromeHidden = requireNative('chrome_hidden').GetChromeHidden();
 var fileSystemNatives = requireNative('file_system_natives');
 var syncFileSystemNatives = requireNative('sync_file_system');
 
-binding.registerCustomHook(function(bindingsAPI) {
+chromeHidden.registerCustomHook('syncFileSystem', function(bindingsAPI) {
   var apiFunctions = bindingsAPI.apiFunctions;
 
   // Functions which take in an [instanceOf=FileEntry].
@@ -69,5 +67,3 @@
   }
   dispatch([fileInfo]);
 });
-
-exports.binding = binding.generate();