Reland of Accessibility: Ignore all anonymous blocks

chrome/test/data/extensions/api_test/automation/tests/tabs/queryselector.js

Index: chrome/test/data/extensions/api_test/automation/tests/tabs/queryselector.js
diff --git a/chrome/test/data/extensions/api_test/automation/tests/tabs/queryselector.js b/chrome/test/data/extensions/api_test/automation/tests/tabs/queryselector.js
index 65489e390f1624d5f8327c1d1c4f54faa28a182d..2794068bd4b10c7a6cf2817e3531423917cfaf72 100644
--- a/chrome/test/data/extensions/api_test/automation/tests/tabs/queryselector.js
+++ b/chrome/test/data/extensions/api_test/automation/tests/tabs/queryselector.js
@@ -5,7 +5,7 @@
 var allTests = [
   // Basic query from root node.
   function testQuerySelector() {
-    var cancelButton = rootNode.lastChild.lastChild;
+    var cancelButton = rootNode.children[3];
     function assertCorrectResult(queryResult) {
       assertEq(queryResult, cancelButton);
       chrome.test.succeed();
@@ -39,7 +39,7 @@ var allTests = [
   // Demonstrates that a query for an element which is ignored for accessibility
   // returns its nearest ancestor.
   function testQuerySelectorForSpanInsideButtonReturnsButton() {
-    var okButton = rootNode.lastChild.firstChild;
+    var okButton = rootNode.children[2];
     function assertCorrectResult(queryResult) {
       assertEq(queryResult, okButton);
       chrome.test.succeed();
@@ -47,18 +47,6 @@ var allTests = [
     rootNode.domQuerySelector('#span-in-button', assertCorrectResult);
   },
 
-  // Demonstrates that querying from an anonymous node may have unexpected
-  // results.
-  function testQuerySelectorFromAnonymousGroup() {
-    var h1 = rootNode.firstChild.firstChild;
-    var group = rootNode.lastChild;
-    function assertCorrectResult(queryResult) {
-      assertEq(h1, queryResult);
-      chrome.test.succeed();
-    }
-    group.domQuerySelector('h1', assertCorrectResult);
-  },
-
   function testQuerySelectorFromRemovedNode() {
     var group = rootNode.firstChild;
     function assertCorrectResult(queryResult) {