Fix JavaScript style in ntp4

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('ntp4', function() {
   'use strict';
 
   // We can't pass the currently dragging tile via dataTransfer because of
   // http://crbug.com/31037
   var currentlyDraggingTile = null;
@@ skipping 688 matching lines @@
           this.focusElementIndex_ = wrap(this.focusElementIndex_ + direction);
           break;
         case 'Up':
         case 'Down':
           // Look through all focusable elements. Find the first one that is
           // in the same column.
           var direction = e.keyIdentifier == 'Up' ? -1 : 1;
           var currentIndex =
               Array.prototype.indexOf.call(this.focusableElements_,
                                            this.currentFocusElement_);
-          var newFocusIdx = wrap(currentIndex + direction)
+          var newFocusIdx = wrap(currentIndex + direction);
           var tile = this.currentFocusElement_.parentNode;
           for (;; newFocusIdx = wrap(newFocusIdx + direction)) {
             var newTile = this.focusableElements_[newFocusIdx].parentNode;
             var rowTiles = this.layoutValues_.numRowTiles;
             if ((newTile.index - tile.index) % rowTiles == 0)
               break;
           }
 
           this.focusElementIndex_ = newFocusIdx;
           break;
@@ skipping 569 matching lines @@
       assert(false);
     },
   };
 
   return {
     getCurrentlyDraggingTile: getCurrentlyDraggingTile,
     setCurrentDropEffect: setCurrentDropEffect,
     TilePage: TilePage,
   };
 });