Lazy load chrome.* APIs

chrome/renderer/resources/extensions/sync_file_system_custom_bindings.js

Index: chrome/renderer/resources/extensions/sync_file_system_custom_bindings.js
diff --git a/chrome/renderer/resources/extensions/sync_file_system_custom_bindings.js b/chrome/renderer/resources/extensions/sync_file_system_custom_bindings.js
index 03c6caa0aa5fb8a03be8a82f25273b1a2a8bf149..bcb121931316192e5ba2a794bf6052929670aec2 100644
--- a/chrome/renderer/resources/extensions/sync_file_system_custom_bindings.js
+++ b/chrome/renderer/resources/extensions/sync_file_system_custom_bindings.js
@@ -2,13 +2,15 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// Custom bindings for the syncFileSystem API.
+// Custom binding 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');
 
-chromeHidden.registerCustomHook('syncFileSystem', function(bindingsAPI) {
+binding.registerCustomHook(function(bindingsAPI) {
   var apiFunctions = bindingsAPI.apiFunctions;
 
   // Functions which take in an [instanceOf=FileEntry].
@@ -67,3 +69,5 @@ chromeHidden.Event.registerArgumentMassager(
   }
   dispatch([fileInfo]);
 });
+
+exports.binding = binding.generate();