Move app notification getChannel API out of experimental

chrome/renderer/resources/extensions/app.js

 // Copyright (c) 2011 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.
 
 var chrome = chrome || {};
 (function() {
   native function GetChromeHidden();
   native function GetIsInstalled();
   native function Install();
   native function GetDetails();
   native function GetDetailsForFrame();
   native function GetAppNotifyChannel();
 
   var chromeHidden = GetChromeHidden();
   var callbacks = {};
   var nextCallbackId = 1;
 
   chrome.app = new function() {
     this.__defineGetter__('isInstalled', GetIsInstalled);
     this.install = Install;
     this.getDetails = GetDetails;
     this.getDetailsForFrame = GetDetailsForFrame;
-    this.experimental = {
-      getNotificationChannel: function(clientId, callback) {
-        var callbackId = 0;
-        if (callback) {
-          callbackId = nextCallbackId++;
-          callbacks[callbackId] = callback;
-        }
-        GetAppNotifyChannel(clientId, callbackId);
+  }();
+
+  chrome.appNotifications = new function() {
+    this.getChannel = function(clientId, callback) {
+      var callbackId = 0;
+      if (callback) {
+        callbackId = nextCallbackId++;
+        callbacks[callbackId] = callback;
       }
+      GetAppNotifyChannel(clientId, callbackId);
     };
   }();
 
   chromeHidden.app = {};
   chromeHidden.app.onGetAppNotifyChannelResponse =
       function(channelId, error, callbackId) {
     if (callbackId) {
       callbacks[callbackId](channelId, error);
       delete callbacks[callbackId];
     }
   };
 })();