Implement 'Create Shortcuts' menu item on Mac.

chrome/browser/resources/ntp4/apps_page.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.
 
 cr.define('ntp', function() {
   'use strict';
 
   var APP_LAUNCH = {
     // The histogram buckets (keep in sync with extension_constants.h).
     NTP_APPS_MAXIMIZED: 0,
@@ skipping 59 matching lines @@
       this.uninstall_ = this.appendMenuItem_('appuninstall');
       this.options_.addEventListener('activate',
                                      this.onShowOptions_.bind(this));
       this.details_.addEventListener('activate',
                                      this.onShowDetails_.bind(this));
       this.disableNotifications_.addEventListener(
           'activate', this.onDisableNotifications_.bind(this));
       this.uninstall_.addEventListener('activate',
                                        this.onUninstall_.bind(this));
 
-      if (!cr.isMac && !cr.isChromeOS) {
-        menu.appendChild(cr.ui.MenuItem.createSeparator());
+      if (!cr.isChromeOS) {
+        this.createShortcutSeparator_ =
+            menu.appendChild(cr.ui.MenuItem.createSeparator());
         this.createShortcut_ = this.appendMenuItem_('appcreateshortcut');
         this.createShortcut_.addEventListener(
             'activate', this.onCreateShortcut_.bind(this));
       }
 
       document.body.appendChild(menu);
     },
 
     /**
      * Appends a menu item to |this.menu|.
@@ skipping 50 matching lines @@
       this.options_.disabled = !app.appData.optionsUrl || !app.appData.enabled;
       this.details_.disabled = !app.appData.detailsUrl;
       this.uninstall_.disabled = !app.appData.mayDisable;
 
       this.disableNotifications_.hidden = true;
       var notificationsDisabled = app.appData.notifications_disabled;
       if (typeof notificationsDisabled != 'undefined') {
         this.disableNotifications_.hidden = false;
         this.disableNotifications_.checked = notificationsDisabled;
       }
+      this.createShortcutSeparator_.hidden = this.createShortcut_.hidden =
+          !app.appData.packagedApp;
     },
 
     /**
      * Handlers for menu item activation.
      * @param {Event} e The activation event.
      * @private
      */
     onLaunch_: function(e) {
       chrome.send('launchApp', [this.app_.appId, APP_LAUNCH.NTP_APPS_MENU]);
     },
@@ skipping 729 matching lines @@
       app.setupNotification_(notification);
   }
 
   return {
     APP_LAUNCH: APP_LAUNCH,
     appNotificationChanged: appNotificationChanged,
     AppsPage: AppsPage,
     launchAppAfterEnable: launchAppAfterEnable,
   };
 });