Make LayoutTests ambivalent of of anonymous blocks

third_party/WebKit/LayoutTests/accessibility/nochildren-elements.html

Index: third_party/WebKit/LayoutTests/accessibility/nochildren-elements.html
diff --git a/third_party/WebKit/LayoutTests/accessibility/nochildren-elements.html b/third_party/WebKit/LayoutTests/accessibility/nochildren-elements.html
index 7d4c6284d3ab06d316286f6ff0fdb42affe224f4..e64459a1fd30f32840c130a32f2e743e9b47965a 100644
--- a/third_party/WebKit/LayoutTests/accessibility/nochildren-elements.html
+++ b/third_party/WebKit/LayoutTests/accessibility/nochildren-elements.html
@@ -9,8 +9,8 @@
     <!-- This test makes sure that these types of elements DO NOT have children. 
          The test will pass if attributesOfChildren() returns nil -->
 
-    <input type="file">
-    <div role="button"><b><i>inside</i></b></div>
+    <input id="file" type="file">
+    <div id="button" role="button"><b><i>inside</i></b></div>
 
     <div id="result"></div>
 
@@ -19,16 +19,9 @@
         if (window.accessibilityController) {
             var result = document.getElementById("result");
 
-            // radio button 1
-            var body = document.getElementById("body");
-            body.focus();
-            var focusedElement = accessibilityController.focusedElement;
+            var element1 = accessibilityController.accessibleElementById("file");
 
-            // this input=file is inside of a group, so we need to go two levels
-            var element1 = focusedElement.childAtIndex(0);
-            element1 = element1.childAtIndex(0);
-
-            var element2 = focusedElement.childAtIndex(1);
+            var element2 = accessibilityController.accessibleElementById("button");
 
             var element1Children = element1.attributesOfChildren();
             var element2Children = element2.attributesOfChildren();