Remove all calls to domAutomationController.setAutomationId.

components/supervised_user_error_page/resources/supervised_user_block_interstitial.js

 // 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.
 
 var mobileNav = false;
 
 var showDetails = false;
 
 /**
  * For small screen mobile the navigation buttons are moved
@@ skipping 19 matching lines @@
 }
 
 function setupMobileNav() {
   window.addEventListener('resize', onResize);
   onResize();
 }
 
 document.addEventListener('DOMContentLoaded', setupMobileNav);
 
 function sendCommand(cmd) {
-  window.domAutomationController.setAutomationId(1);
   window.domAutomationController.send(cmd);
 }
 
 function makeImageSet(url1x, url2x) {
   return '-webkit-image-set(url(' + url1x + ') 1x, url(' + url2x + ') 2x)';
 }
 
 function initialize() {
   var allowAccessRequests = loadTimeData.getBoolean('allowAccessRequests');
   if (allowAccessRequests) {
@@ skipping 81 matching lines @@
     $('request-access-button').hidden = true;
     $('show-details-link').hidden = true;
   } else {
     $('request-failed-message').hidden = false;
     $('request-access-button').hidden = false;
     $('show-details-link').hidden = false;
   }
 }
 
 document.addEventListener('DOMContentLoaded', initialize);