Moving where I'm doing dropEffect normalization.

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 702 matching lines @@
           appIds.push(tileContents.appId);
       }
 
       chrome.send('reorderApps', [draggedTile.firstChild.appId, appIds]);
     },
 
     /** @inheritDoc */
     setDropEffect: function(dataTransfer) {
       var tile = ntp4.getCurrentlyDraggingTile();
       if (tile && tile.querySelector('.app'))
-        dataTransfer.dropEffect = 'move';
+        ntp4.setCurrentDropEffect(dataTransfer, 'move');
       else
-        dataTransfer.dropEffect = 'copy';
+        ntp4.setCurrentDropEffect(dataTransfer, 'copy');
     },
   };
 
   AppsPage.setPromo = function(data) {
     var store = document.querySelector('.webstore');
     if (store)
       store.setAppsPromoData(data);
   };
 
   /**
@@ skipping 14 matching lines @@
     appNotificationChanged: appNotificationChanged,
     AppsPage: AppsPage,
     launchAppAfterEnable: launchAppAfterEnable,
   };
 });
 
 // TODO(estade): update the content handlers to use ntp namespace instead of
 // making these global.
 var appNotificationChanged = ntp4.appNotificationChanged;
 var launchAppAfterEnable = ntp4.launchAppAfterEnable;