Name calculation should not include nameFrom:author descendants.

third_party/WebKit/LayoutTests/accessibility/listitem-presentation-inherited.html

 <script src="../resources/js-test.js"></script>
 <script src="../resources/accessibility-helper.js"></script>
 <ul role="presentation">
 <li role="listitem">Item 1</li>
 <li role="listitem">Item 2</li>
 <li role="listitem">Item 3</li>
 </ul>
 
 <ul role="presentation">
 <li>Plain Text 1</li>
 <li>Plain Text 2</li>
 <li>Plain Text 3</li>
 </ul>
 <p>End of test</p>
 <p id="description"></p>
 <div id="console"></div>
 <script>
-description("This tests that the presentation role is inherited.");
+description("This tests that the presentation role is not inherited.");
 
 if (window.testRunner)
     testRunner.dumpAsText();
 if (window.accessibilityController) {
     buildAccessibilityTree(accessibilityController.focusedElement, 0, 1);
 }
 </script>