Expose the Website Settings page in the Content Setting page if it is enabled via flag.

chrome/browser/resources/options/website_settings.css

 /* Copyright 2014 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. */
 
 #website-settings-page {
   min-height: 445px;
   min-width: 540px;
 }
 
 #website-settings-edit-page {
   max-height: 445px;
   min-width: 540px;
 }
 
 .website-column-headers {
   padding: 3px 0 6px;
 }
 
 .website-header-controls {
+  align-items: center;
   display: flex;
+  justify-content: space-between;
 }
 
 .website-header-controls > div {
   font-weight: bold;
 }
 
-.resource-type-select {
-  -webkit-margin-end: auto;
-  min-width: 170px;
+#allowed-origin-list-title {
+  font-size: 1.3em;
 }
 
 #website-settings-search-box {
   -webkit-margin-start: 35px;
   width: 165px;
 }
 
 #website-settings-page .action-area {
   padding-bottom: 20px;
 }
@@ skipping 66 matching lines @@
 
 #website-settings-edit-page .website-property-button {
   min-width: 70px;
 }
 
 #website-settings-edit-page .website-property-controls {
   min-width: 165px;
 }
 
 #website-settings-global-controls {
-  -webkit-margin-after: 8px;
+  -webkit-margin-after: 24px;
   align-items: center;
   display: flex;
 }
 
 #global-setting {
   flex: 1;
 }
 
 /* Styles for the origin list elements in the website settings page. */
 .origin-list {
@@ skipping 32 matching lines @@
   -webkit-padding-start: 21px;
   font-size: 13px;
 }
 
 .permission-option {
   -webkit-margin-before: 4px;
   align-items: center;
   display: flex;
   justify-content: space-between;
 }