MD downloads: change links to more accessible color (from sgabriel@)

chrome/browser/resources/md_downloads/item.css

 /* Copyright 2015 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. */
 
 :host {
   @apply(--downloads-shared-style);
   display: flex;
   margin: 32px 0;
 }
 
@@ skipping 74 matching lines @@
   color: rgb(35, 114, 236);
 }
 
 #tag {
   color: #6f6f6f;
   font-size: 92.307%;
   font-weight: bold;
 }
 
 #url {
-  color: rgb(88, 152, 251);
+  color: rgb(51, 103, 214);
   margin-top: 6px;
   overflow: hidden;
   text-decoration: none;
   text-overflow: ellipsis;
   white-space: nowrap;
 }
 
 #progress,
 #description:not(:empty),
 .controls {
@@ skipping 68 matching lines @@
   #content {
     margin: 0 auto;
   }
 
   #date-container {
     flex: none !important;
     margin: 0 auto 32px;
     width: var(--downloads-item-width);
   }
 }