Add <a is="action-link">, a web component extension of <a> for in-page actions.

chrome/browser/resources/options/controlled_setting.js

 // 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.
 
 cr.define('options', function() {
   var Preferences = options.Preferences;
 
   /**
    * A controlled setting indicator that can be placed on a setting as an
    * indicator that the value is controlled by some external entity such as
@@ skipping 127 matching lines @@
           text = this.getAttribute('text' + this.controlledBy);
 
         // Create the DOM tree.
         var content = document.createElement('div');
         content.classList.add('controlled-setting-bubble-header');
         content.textContent = text;
 
         if (this.controlledBy == 'hasRecommendation' && this.resetHandler_ &&
             !this.readOnly) {
           var container = document.createElement('div');
-          var action = document.createElement('button');
-          action.classList.add('link-button');
+          var action = document.createElement('a', 'action-link');
           action.classList.add('controlled-setting-bubble-action');
           action.textContent =
               loadTimeData.getString('controlledSettingFollowRecommendation');
           action.addEventListener('click', function(event) {
             self.resetHandler_();
           });
           container.appendChild(action);
           content.appendChild(container);
         } else if (this.controlledBy == 'extension' && this.extensionName) {
           var extensionContainer =
@@ skipping 72 matching lines @@
    * - unset:               The value is controlled by the user alone.
    */
   cr.defineProperty(ControlledSettingIndicator, 'controlledBy',
                     cr.PropertyKind.ATTR);
 
   // Export.
   return {
     ControlledSettingIndicator: ControlledSettingIndicator
   };
 });