Lazy load chrome.* APIs

chrome/renderer/resources/extensions/app_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 app API.
 
 var appNatives = requireNative('app');
+var DCHECK = requireNative('logging').DCHECK;
+var chrome = requireNative('chrome').GetChrome();
 
 // This becomes chrome.app
 var app = {
   getIsInstalled: appNatives.GetIsInstalled,
   install: appNatives.Install,
   getDetails: appNatives.GetDetails,
   getDetailsForFrame: appNatives.GetDetailsForFrame,
   runningState: appNatives.GetRunningState
 };
 
 // Tricky; "getIsInstalled" is actually exposed as the getter "isInstalled",
 // but we don't have a way to express this in the schema JSON (nor is it
 // worth it for this one special case).
 //
 // So, define it manually, and let the getIsInstalled function act as its
 // documentation.
 app.__defineGetter__('isInstalled', appNatives.GetIsInstalled);
 
+// Define getters for app sub-APIs like app.runtime.
+// TODO(cduvall): Take this out once object chain works.
+app.__defineGetter__('runtime', function() {
+  return chrome['app.runtime'];
+});
+
+app.__defineGetter__('window', function() {
+  return chrome['app.window'];
+});
+
+app.__defineGetter__('currentWindowInternal', function() {
+  return chrome['app.currentWindowInternal'];
+});
+
 // Called by app_bindings.cc.
 // This becomes chromeHidden.app
 var chromeHiddenApp = {
   onGetAppNotifyChannelResponse: function(channelId, error, callbackId) {
     if (callbackId) {
       callbacks[callbackId](channelId, error);
       delete callbacks[callbackId];
     }
   },
 
@@ skipping 29 matching lines @@
   var callbackId = nextCallbackId++;
   callbacks[callbackId] = callback;
   appNatives.GetInstallState(callbackId);
 };
 
 // These must match the names in InstallAppBindings() in
 // chrome/renderer/extensions/dispatcher.cc.
 exports.chromeApp = app;
 exports.chromeAppNotifications = appNotifications;
 exports.chromeHiddenApp = chromeHiddenApp;