This updates the StaticIP configuration UI to match new mocks.

chrome/browser/resources/options2/chromeos/internet_detail.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. */
 
 /* Force tab strip to extend to the left and right edges of the window. */
 #internet-details-content-area {
   -webkit-box-orient: vertical;
   display: -webkit-box;
   padding: 6px 0 0 0;
 }
@@ skipping 13 matching lines @@
   color: rgb(53, 174, 71);
 }
 
 
 /* Fix the height of the subpages so that the dialog does not resize when the
    user switches tabs. */
 #internet-details-content-area > .subpages-tab-contents {
   -webkit-box-flex: 1;
   -webkit-box-sizing: border-box;
   -webkit-padding-end: 10px;
-  height: 350px;
+  height: 380px;
   min-width: 480px;
   overflow-y: auto;
 }
 
 #ip-config-list {
   min-height: 96px !important;
 }
 
 /* Minimum and maximum height are integer multiples of the height of a list
    entry. */
 #ignored-host-list {
   -webkit-margin-start: 0;
   border: solid 1px #999;
   max-height: 128px;
   min-height: 64px;
   width: 400px;
 }
 
 #new-host {
   -webkit-margin-start: 0;
   margin-top: 8px;
 }
 
+#ipconfig-section {
+  border-top: 1px solid #eee;
+  margin-bottom: 10px;
+  padding-top: 10px;
+}
+
+#ipconfig-dns-section {
+  border-top: 1px solid #eee;
+  padding-top: 10px;
+}
+
+#user-dns-settings:not([selected]) {
+  display: none;
+}
+
+.dns-display {
+  -webkit-margin-start: 24px;
+  -webkit-transition: opacity 150ms ease-in-out;
+  color: #bbb;
+  font-style: italic;
+}
+
+.dns-display:not([selected]) {
+  -webkit-transition: opacity 150ms ease-in-out;
+  display: none;
+}