[New Tab Page] Remove title iframe 1px dead zone.

chrome/browser/resources/local_ntp/most_visited_title.css

Index: chrome/browser/resources/local_ntp/most_visited_title.css
diff --git a/chrome/browser/resources/local_ntp/most_visited_title.css b/chrome/browser/resources/local_ntp/most_visited_title.css
index a4e464fbc45169669d27d9433e872289faa2ab4f..2c7135ac71675cc9ca72477330171298f228d5ab 100644
--- a/chrome/browser/resources/local_ntp/most_visited_title.css
+++ b/chrome/browser/resources/local_ntp/most_visited_title.css
@@ -1,11 +1,17 @@
 /* Copyright 2013 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. */
+html {
+  height: 100%;
+}
+
 body {
+  height: 100%;
   width: 100%;
 }
 
 a {
+  height: 100%;
   overflow: hidden;
   text-align: center;  /* Can be overridden in JS. */
   text-overflow: ellipsis; /* Can be overridden in JS. */