Disabling flaky test: AccessibilityWinBrowserTest.TestNotificationActiveDescendantChanged

chrome/browser/accessibility/accessibility_win_browsertest.cc

 // Copyright (c) 2012 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.
 
 #include <atlbase.h>
 #include <vector>
 
 #include "base/memory/scoped_ptr.h"
 #include "base/stringprintf.h"
 #include "base/utf_string_conversions.h"
@@ skipping 445 matching lines @@
   ui_test_utils::NavigateToURL(browser(), GURL(chrome::kChromeUIVersionURL));
 
   // Verify that the IAccessible reference still points to a valid object and
   // that calls to its methods fail since the tree is no longer valid after
   // the page navagation.
   CComBSTR name;
   hr = document_accessible->get_accName(CreateI4Variant(CHILDID_SELF), &name);
   ASSERT_EQ(E_FAIL, hr);
 }
 
+// Periodically failing.  See crbug.com/145537
 IN_PROC_BROWSER_TEST_F(AccessibilityWinBrowserTest,
-                       TestNotificationActiveDescendantChanged) {
+                       DISABLED_TestNotificationActiveDescendantChanged) {
   LoadInitialAccessibilityTreeFromHtml(
       "<ul tabindex='-1' role='radiogroup' aria-label='ul'>"
       "<li id='li'>li</li></ul>");
 
   // Check the browser's copy of the renderer accessibility tree.
   AccessibleChecker list_marker_checker(L"\x2022", ROLE_SYSTEM_TEXT, L"");
   AccessibleChecker static_text_checker(L"li", ROLE_SYSTEM_TEXT, L"");
   AccessibleChecker list_item_checker(L"", ROLE_SYSTEM_LISTITEM, L"");
   list_item_checker.SetExpectedState(
       STATE_SYSTEM_READONLY);
@@ skipping 351 matching lines @@
 
   // Check the browser's copy of the renderer accessibility tree.
   AccessibleChecker grouping1_checker(L"", ROLE_SYSTEM_GROUPING, L"");
   AccessibleChecker grouping2_checker(L"", ROLE_SYSTEM_GROUPING, L"");
   AccessibleChecker document_checker(L"", ROLE_SYSTEM_DOCUMENT, L"");
   document_checker.AppendExpectedChild(&grouping1_checker);
   document_checker.AppendExpectedChild(&grouping2_checker);
   document_checker.CheckAccessible(GetRendererAccessible());
 }
 }  // namespace.