MD Settings: clean up text controls (links, buttons)

chrome/test/data/webui/settings/quick_unlock_authenticate_browsertest_chromeos.js

 // Copyright 2016 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('settings_people_page_quick_unlock', function() {
   var element = null;
   var quickUnlockPrivateApi = null;
   var QuickUnlockMode = chrome.quickUnlockPrivate.QuickUnlockMode;
   var fakeUma = null;
 
@@ skipping 219 matching lines @@
           document.body.appendChild(element);
           Polymer.dom.flush();
 
           element.setModes_ =
               quickUnlockPrivateApi.setModes.bind(quickUnlockPrivateApi, '');
 
           passwordRadioButton =
               getFromElement('paper-radio-button[name="password"]');
           pinPasswordRadioButton =
               getFromElement('paper-radio-button[name="pin+password"]');
-          configureButton = getFromElement('paper-button');
+          configureButton = getFromElement('a[is="action-link"]');
 
           done();
         });
       });
 
       // Showing the choose method screen does not make any destructive pref or
       // quickUnlockPrivate calls.
       test('ShowingScreenDoesNotModifyPrefs', function() {
         assertTrue(getLockScreenPref());
         assertRadioButtonActive(passwordRadioButton);
@@ skipping 247 matching lines @@
       });
     });
   }
 
   return {
     registerAuthenticateTests: registerAuthenticateTests,
     registerLockScreenTests: registerLockScreenTests,
     registerSetupPinDialogTests: registerSetupPinDialogTests
   };
 });