[Media Router WebUI] Fix AX_TEXT_04 and AX_FOCUS_01 warnings.

chrome/test/data/webui/media_router/media_router_elements_browsertest.js

 // Copyright 2015 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.
 
 /** @fileoverview Runs the Media Router Polymer elements tests. */
 
 /** @const {string} Path to source root. */
 var ROOT_PATH = '../../../../../';
 
 // Polymer BrowserTest fixture.
@@ skipping 51 matching lines @@
 
     var requiredOwnedAriaRoleMissingSelectors = [
       '#cast-mode-list',
       '#sink-list'
     ];
 
     // Enable when failure is resolved.
     // AX_ARIA_08: http://crbug.com/591552
     this.accessibilityAuditConfig.ignoreSelectors(
         'requiredOwnedAriaRoleMissing', requiredOwnedAriaRoleMissingSelectors);
-
-    // Enable when warning is resolved.
-    // AX_FOCUS_01: http://crbug.com/591553
-    this.accessibilityAuditConfig.ignoreSelectors(
-        'focusableElementNotVisibleAndNotAriaHidden', '#device-missing > A');
-
-    // Enable when warning is resolved.
-    // AX_TEXT_04: http://crbug.com/591554
-    this.accessibilityAuditConfig.ignoreSelectors(
-        'linkWithUnclearPurpose', '#device-missing > A');
   },
 };
 
 TEST_F('MediaRouterElementsBrowserTest', 'MediaRouterElementsTestIssueBanner',
     function() {
   // Register mocha tests for the issue banner.
   issue_banner.registerTests();
 
   // Run all registered tests.
   mocha.run();
@@ skipping 42 matching lines @@
 
 TEST_F('MediaRouterElementsBrowserTest',
     'MediaRouterElementsTestMediaRouterRouteDetails',
     function() {
   // Register mocha tests for the route details.
   route_details.registerTests();
 
   // Run all registered tests.
   mocha.run();
 });