Make use of new AX name calc in Chromium.

third_party/WebKit/LayoutTests/resources/accessibility-helper.js

 function buildAccessibilityTree(accessibilityObject, indent, allAttributesRequired, rolesToIgnore, targetObject, targetString) {
     if (rolesToIgnore) {
         for (var i = 0; i < rolesToIgnore.length; i++) {
             if (accessibilityObject.role  == 'AXRole: ' + rolesToIgnore[i])
                 return true;
         }
     }
 
     var str = "";
     for (var i = 0; i < indent; i++)
         str += "    ";
     str += accessibilityObject.role;
-    str += " " + accessibilityObject.stringValue;
+    if (accessibilityObject.value)
+        str += " AXValue: " + accessibilityObject.value;
+    else if (accessibilityObject.name)
+        str += " \"" + accessibilityObject.name + "\"";
     str += allAttributesRequired && accessibilityObject.role == '' ? accessibilityObject.allAttributes() : '';
     str += targetObject && accessibilityObject.isEqual(targetObject) ? "     " + targetString : '';
     str += "\n";
 
     document.getElementById("console").innerText += str;
 
-    if (accessibilityObject.stringValue.indexOf('End of test') >= 0)
+    if (accessibilityObject.name.indexOf('End of test') >= 0)
         return false;
 
     var count = accessibilityObject.childrenCount;
     for (var i = 0; i < count; i++) {
         if (!buildAccessibilityTree(accessibilityObject.childAtIndex(i), indent + 1, allAttributesRequired, rolesToIgnore, targetObject, targetString))
             return false;
     }
 
     return true;
 }