[NTP4] Overlap of apps in NTP when deleting and reinstalling app

chrome/browser/resources/ntp4/tile_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';
 
   // We can't pass the currently dragging tile via dataTransfer because of
   // http://crbug.com/31037
   var currentlyDraggingTile = null;
@@ skipping 280 matching lines @@
     },
 
     /**
      * Called when an app is removed from Chrome. Animates its disappearance.
      * @param {boolean=} opt_animate Whether the animation should be animated.
      */
     doRemove: function(opt_animate) {
       if (opt_animate)
         this.firstChild.classList.add('removing-tile-contents');
       else
-        this.parentNode.removeChild(this);
+        this.tilePage.removeTile(this, false);
     },
 
     /**
      * Callback for the webkitAnimationEnd event on the tile's contents.
      * @param {Event} e The event object.
      */
     onContentsAnimationEnd_: function(e) {
       if (this.firstChild.classList.contains('new-tile-contents'))
         this.firstChild.classList.remove('new-tile-contents');
       if (this.firstChild.classList.contains('removing-tile-contents'))
@@ skipping 1008 matching lines @@
       assert(false);
     },
   };
 
   return {
     getCurrentlyDraggingTile: getCurrentlyDraggingTile,
     setCurrentDropEffect: setCurrentDropEffect,
     TilePage: TilePage,
   };
 });