ntp: make 'recently closed' clickable above and below the actual text.

chrome/browser/resources/ntp4/recently_closed.css

 /* 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.
  */
 
 #recently-closed-menu-button {
   background: none;
   border: 0;
   color: #7F7F7F;
+  cursor: pointer;
   display: block;
   font-size: 9pt;
   font-weight: bold;
+  /* The padding increases the clickable area. */
+  padding-bottom: 8px;
+  padding-top: 8px;
   -webkit-appearance: none;
   -webkit-transition: opacity 0.2s;
   -webkit-transition-delay: 0.1s;
 }
 
 /* Reserve space for the menu button even when it's hidden. */
 #recently-closed-menu-button[hidden],
 #footer.showing-trash-mode #recently-closed-menu-button {
   visibility: hidden;
 }
@@ skipping 10 matching lines @@
 }
 
 .recent-menu-item {
   background: no-repeat 0% 50%;
   background-color: transparent !important;
   background-size: 16px 16px;
   box-sizing: border-box;
   display: block;
   font-size: 100%;
   line-height: 20px;
-  margin: 4px;
-  max-width: 600px;
+  margin: 8px;
+  max-width: 450px;
   overflow: hidden;
   text-overflow: ellipsis;
   white-space: nowrap;
   -webkit-margin-start: 0;
   -webkit-padding-end: 0;
   -webkit-padding-start: 22px;
 }
 
+.recent-menu-item:not(:hover) {
+  text-decoration: none;
+}
+
+.recent-menu-item:first-of-type {
+  margin-top: 4px;
+}
+
+.recent-menu-item:last-of-type {
+  margin-bottom: 4px;
+}
+
 html[dir='rtl'] .recent-menu-item {
   background: no-repeat 100% 50%;
 }
 
 .recent-window {
   background-image: url('../ntp/closed_window.png');
 }
 
 /* TODO(estade): find a better color for active. */
 .recent-menu-item:active,
 .recent-menu-item:visited,
 .recent-menu-item:link {
   color: hsl(213, 90%, 24%) !important;
 }
 
 .disclosure-triangle {
   background-color: #7F7F7F;
   display: inline-block;
   height: 9px;
   width: 9px;
   -webkit-mask-image: url('./ntp4_disclosure_triangle_mask.png');
 }