ntp4: most visited dragging onto apps page

chrome/browser/resources/ntp4/new_tab.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.
 
 /**
  * @fileoverview New tab page
  * This is the main code for the new tab page used by touch-enabled Chrome
  * browsers.  For now this is still a prototype.
  */
 
@@ skipping 441 matching lines @@
   /**
    * Invoked whenever some app is grabbed
    * @param {Grabber.Event} e The Grabber Grab event.
    */
   function enterRearrangeMode(e) {
     var tempPage = new ntp4.AppsPage();
     tempPage.classList.add('temporary');
     appendAppsPage(tempPage, '');
     updateSliderCards();
 
-    $('footer').classList.add('dragging-mode');
+    if (ntp4.getCurrentlyDraggingTile().firstChild.canBeRemoved())
+      $('footer').classList.add('showing-trash-mode');
   }
 
   /**
    * Invoked whenever some app is released
    * @param {Grabber.Event} e The Grabber RELEASE event.
    */
   function leaveRearrangeMode(e) {
     var tempPage = document.querySelector('.tile-page.temporary');
     var dot = tempPage.navigationDot;
     if (!tempPage.tileCount) {
       dot.animateRemove();
       tempPage.parentNode.removeChild(tempPage);
       updateSliderCards();
     } else {
       tempPage.classList.remove('temporary');
       saveAppPageName(tempPage, '');
     }
 
-    $('footer').classList.remove('dragging-mode');
+    $('footer').classList.remove('showing-trash-mode');
   }
 
   /**
    * Callback for the 'click' event on a page switcher.
    * @param {Event} e The event.
    */
   function onPageSwitcherClicked(e) {
     cardSlider.selectCard(cardSlider.currentCard +
         (e.currentTarget == pageSwitcherStart ? -1 : 1), true);
   }
@@ skipping 218 matching lines @@
 // TODO(estade): update the content handlers to use ntp namespace instead of
 // making these global.
 var assert = ntp4.assert;
 var getAppsCallback = ntp4.getAppsCallback;
 var appsPrefChangeCallback = ntp4.appsPrefChangeCallback;
 var themeChanged = ntp4.themeChanged;
 var recentlyClosedTabs = ntp4.setRecentlyClosedTabs;
 var setMostVisitedPages = ntp4.setMostVisitedPages;
 
 document.addEventListener('DOMContentLoaded', ntp4.initialize);