Lazy load chrome.* APIs

chrome/renderer/resources/extensions/page_action_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 pageAction API.
+// Custom binding for the pageAction API.
 
-var chromeHidden = requireNative('chrome_hidden').GetChromeHidden();
+var binding = require('binding').Binding.create('pageAction');
+
 var setIcon = require('setIcon').setIcon;
 
-chromeHidden.registerCustomHook('pageAction', function(bindingsAPI) {
+binding.registerCustomHook(function(bindingsAPI) {
   var apiFunctions = bindingsAPI.apiFunctions;
 
   apiFunctions.setHandleRequest('setIcon', function(details, callback) {
     setIcon(details, callback, this.name, this.definition.parameters,
         'page action');
   });
 });
+
+exports.binding = binding.generate();