MD Downloads: change :focus effect to underline so it doesn't look like :hover

chrome/browser/resources/md_downloads/toolbar.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 {
   align-items: center;
   background: var(--md-toolbar-color);
   color: white;
   content-sizing: padding-box;
   display: flex;
@@ skipping 65 matching lines @@
   };
 }
 
 #more {
   --paper-menu-button: {
     padding: 0;
   };
   -webkit-margin-start: 16px;
 }
 
+:host {
+  /* Applies to <paper-item>, hell if I know why it has to be here. */

[groby-ooo-7-16, 2016/07/19 17:44:39]

That doesn't scare me at all. Nu-uh.

+  --dark-divider-opacity: 0;
+}
+
 paper-item {
+  --paper-item-focused: {
+    background: none;
+    text-decoration: underline;
+  };
   -webkit-user-select: none;
   cursor: pointer;
   font: inherit;
   min-height: 40px;
 }
 
 paper-item:hover {
   background: #eaeaea;  /* TODO(dbeam): real color? */
 }
 
 @media not all and (max-width: 1024px) {
   /* Hide vertical dot menu when there's enough room for #actions. */
   paper-menu-button {
     display: none;
   }
 }
 
 @media all and (max-width: 1024px) {
   /* Hide #actions for narrow windows; they're shown in a vertical dot menu. */
   #actions {
     display: none;
   }
 }