Fix RTL rendering of SELECT on macOS and input[type=color] on all platforms.

third_party/WebKit/Source/core/css/html.css

 /*
  * The default style sheet used to render HTML.
  *
  * Copyright (C) 2000 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
@@ skipping 674 matching lines @@
     -webkit-user-modify: read-only !important;
 }
 
 input[type="color" i][list] {
     -webkit-appearance: menulist;
     width: 88px;
     height: 23px
 }
 
 input[type="color" i][list]::-webkit-color-swatch-wrapper {
-    padding-left: 8px;
-    padding-right: 24px;
+    -webkit-padding-start: 8px;
+    -webkit-padding-end: 24px;
 }
 
 input[type="color" i][list]::-webkit-color-swatch {
     border-color: #000000;
 }
 
 input::-webkit-calendar-picker-indicator {
     display: inline-block;
     width: 0.66em;
     height: 0.66em;
@@ skipping 405 matching lines @@
     padding: 0px;
     border-width: 0px;
 }
 
 /* Allows thead sections to print at the top of each page. */
 @media print {
     thead { break-inside:avoid; }
 }
 
 /* noscript is handled internally, as it depends on settings. */