Polish the appearance of the Controlled by Extension bubble.

chrome/browser/resources/options/controlled_setting.css

 /* Copyright 2013 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. */
 
 /* Controlled setting indicator and bubble. */
 
 .controlled-setting-with-label {
   -webkit-box-align: center;
   display: -webkit-box;
   padding-bottom: 7px;
@@ skipping 38 matching lines @@
 
 .controlled-setting-indicator:-webkit-any([controlled-by='recommended'],
     [controlled-by='hasRecommendation']) > div {
   background-image: url('chrome://theme/IDR_CONTROLLED_SETTING_MANDATORY');
 }
 
 .controlled-setting-bubble-action {
   padding: 0 !important;
 }
 
+.controlled-setting-bubble-header {
+  margin-top: 3px;
+}
+
 .controlled-setting-bubble-content-row {
   height: 35px;
   position: relative;
 }
 
 .controlled-setting-bubble-extension-name {
   -webkit-padding-start: 30px;
   background-repeat: no-repeat;
   font-weight: bold;
   height: 24px;
-  margin-top: -12px;
+  margin-top: -9px;
   overflow: hidden;
   padding-top: 3px;
   position: absolute;
   text-overflow: ellipsis;
   top: 50%;
   white-space: nowrap;
   width: 215px;
 }
 
 html[dir='rtl'] .controlled-setting-bubble-extension-name {
   background-position: right top;
 }
 
 .controlled-setting-bubble-extension-manage-link {
-  margin-top: -0.5em;
+  margin-left: -0.35em;
+  margin-top: -0.30em;
   position: absolute;
   top: 50%;
 }
 
 .controlled-setting-bubble-extension-disable-button {
   bottom: 0;
   position: absolute;
   right: 0;
 }
 
 html[dir='rtl'] .controlled-setting-bubble-extension-disable-button {
   left: 0;
   right: auto;
 }