NTP5: Implementing two rows option for Apps.

chrome/browser/resources/ntp_search/mock/debug.css

 /* 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. */
 
 /* =========================================================================
    TODO(pedrosimonetti): Work around. The following rules are being used
    to temporarily hide elements we are not using, and reset the styling
    according to the new specification.
    ========================================================================= */
 
@@ skipping 26 matching lines @@
 
 .debug #dot-list,
 .debug .tile-page-content {
   background: rgb(119, 255, 255);
 }
 
 .debug .tile-row {
   background: rgb(255, 255, 119);
 }
 
+.debug #bookmark-bar-spacer {
+  background: rgb(255, 255, 119);
+}
+
 .debug .hide-col-0 .tile-col-0,
 .debug .hide-col-1 .tile-col-1,
 .debug .hide-col-2 .tile-col-2,
 .debug .hide-col-3 .tile-col-3,
 .debug .hide-col-4 .tile-col-4,
 .debug .hide-col-5 .tile-col-5,
 .debug .hide-col-6 .tile-col-6,
 .debug .hide-col-7 .tile-col-7,
 .debug .hide-col-8 .tile-col-8,
 .debug .hide-col-9 .tile-col-9 {
   background-color: lightgray;
 }