Make use of new AX name calc in Chromium.

chrome/test/data/extensions/api_test/automation/tests/tabs/sanity_check.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.
 
 // Do not test orientation or hover attributes (similar to exclusions on native
 // accessibility), since they can be inconsistent depending on the environment.
 var RemoveUntestedStates = function(state) {
   var result = JSON.parse(JSON.stringify(state));
   delete result[StateType.horizontal];
   delete result[StateType.hovered];
@@ skipping 19 matching lines @@
     state = RemoveUntestedStates(body.state);
     assertEq({enabled: true, readOnly: true}, state);
 
     var contentChildren = body.children;
     assertEq(3, contentChildren.length);
     var okButton = contentChildren[0];
     assertEq('Ok', okButton.name);
     state = RemoveUntestedStates(okButton.state);
     assertEq({enabled: true, focusable: true, readOnly: true}, state);
     var userNameInput = contentChildren[1];
-    assertEq('Username',
-             userNameInput.description);
+    assertEq('Username', userNameInput.name);
     state = RemoveUntestedStates(userNameInput.state);
     assertEq({editable: true, enabled: true, focusable: true}, state);
     var cancelButton = contentChildren[2];
     assertEq('Cancel',
              cancelButton.name);
     state = RemoveUntestedStates(cancelButton.state);
     assertEq({enabled: true, focusable: true, readOnly: true}, state);
 
     // Traversal.
     assertEq(undefined, rootNode.parent);
@@ skipping 23 matching lines @@
     chrome.test.succeed();
   },
   function testIsRoot() {
     assertTrue(rootNode.isRootNode);
     assertFalse(rootNode.firstChild.isRootNode);
     chrome.test.succeed();
   }
 ];
 
 setUpAndRunTests(allTests);