Lazy load chrome.* APIs

chrome/renderer/resources/extensions/context_menus_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 contextMenus API.
+// Custom binding for the contextMenus API.
+
+var binding = require('binding').Binding.create('contextMenus');
 
 var contextMenus = requireNative('context_menus');
 var GetNextContextMenuId = contextMenus.GetNextContextMenuId;
 var sendRequest = require('sendRequest').sendRequest;
 
 var chromeHidden = requireNative('chrome_hidden').GetChromeHidden();
 
-chromeHidden.registerCustomHook('contextMenus', function(bindingsAPI) {
+binding.registerCustomHook(function(bindingsAPI) {
   var apiFunctions = bindingsAPI.apiFunctions;
 
   chromeHidden.contextMenus = {};
   chromeHidden.contextMenus.generatedIdHandlers = {};
   chromeHidden.contextMenus.stringIdHandlers = {};
   var eventName = 'contextMenus';
   chromeHidden.contextMenus.event = new chrome.Event(eventName);
   chromeHidden.contextMenus.getIdFromCreateProperties = function(prop) {
     if (typeof(prop.id) !== 'undefined')
       return prop.id;
@@ skipping 67 matching lines @@
 
   apiFunctions.setCustomCallback('removeAll',
                                  function(name, request, response) {
     if (chrome.runtime.lastError) {
       return;
     }
     chromeHidden.contextMenus.generatedIdHandlers = {};
     chromeHidden.contextMenus.stringIdHandlers = {};
   });
 });
+
+exports.binding = binding.generate();