NTP5: Fix page blacklisting and remove recently closed tabs when they're clicked. Fix the styling …

chrome/browser/resources/ntp_search/most_visited_page.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. */
 
 .close-button {
   background: no-repeat;
   background-color: transparent;
   /* TODO(estade): this should animate between states. */
   background-image: -webkit-image-set(
       url('../../../../ui/resources/default_100_percent/close_bar.png') 1x,
       url('../../../../ui/resources/default_200_percent/close_bar.png') 2x);
   border: 0;
   cursor: default;
   display: inline-block;
   height: 16px;
   padding: 0;
-  position: absolute;
   width: 16px;
   z-index: 999;
 }
 
 .close-button:hover,
 .close-button:focus {
   background-image: -webkit-image-set(
       url('../../../../ui/resources/default_100_percent/close_bar_hover.png')
           1x,
       url('../../../../ui/resources/default_200_percent/close_bar_hover.png')
           2x);
 }
 
 .close-button:active {
   background-image: -webkit-image-set(
       url('../../../../ui/resources/default_100_percent/close_bar_pressed.png')
           1x,
       url('../../../../ui/resources/default_200_percent/close_bar_pressed.png')
           2x);
 }
 
 /* TODO(pedrosimonetti): Organize these rules. */
 .thumbnail .close-button {
   -webkit-transition: opacity 500ms ease-in-out;
   opacity: 0;
+  position: absolute;
   right: 2px;
   top: 2px;
 }
 
 html[dir=rtl] .thumbnail .close-button {
   left: 0;
   right: auto;
 }
 
 .thumbnail:hover .close-button {
   -webkit-transition-delay: 500ms;
   opacity: 1;
 }
 
 .thumbnail .close-button:hover {
   -webkit-transition: none;
 }