History: Prevent entries from taking up all the available space.

chrome/browser/resources/history/history.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. */
 
 html[dir=rtl] body.uber-frame > .page {
   -webkit-margin-end: 0;
 }
 
 #top-container {
   margin-top: 16px;
@@ skipping 131 matching lines @@
 }
 
 .gap {
   -webkit-border-end: 1px solid rgb(192, 195, 198);
   height: 14px;
   margin: 1px 0;
   width: 45px;
 }
 
 .entry {
+  display: -webkit-flex;
   overflow: auto;
 }
 
 .entry-box,
 .site-domain-wrapper {
   -webkit-align-items: center;
   cursor: default;
   display: -webkit-flex;
   /* An odd line-height ensures a consistent baseline on all platforms. */
   line-height: 1.75em;
@@ skipping 324 matching lines @@
 }
 
 /* Clear the float to ensure that #results-pagination encloses its children. */
 #results-pagination::after {
   clear: both;
   content: '';
   display: block;
   height: 0;
   visibility: hidden;
 }