ntp4: fix app context menu z-order

chrome/browser/resources/ntp4/apps_page.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.
 
 cr.define('ntp4', function() {
   'use strict';
 
   var localStrings = new LocalStrings;
 
   var APP_LAUNCH = {
@@ skipping 102 matching lines @@
       this.app_ = app;
 
       this.launch_.textContent = app.appData.name;
 
       this.forAllLaunchTypes_(function(launchTypeButton, id) {
         launchTypeButton.disabled = false;
         launchTypeButton.checked = app.appData.launch_type == id;
       });
 
       this.options_.disabled = !app.appData.options_url;
+      this.uninstall_.disabled = !app.appData.can_uninstall;
     },
 
     /**
      * 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 258 matching lines @@
       }
 
       chrome.send('reorderApps', [draggedTile.firstChild.appId, appIds]);
     },
   };
 
   return {
     AppsPage: AppsPage,
   };
 });