Disable DomCheckerTest.Http due to flakiness.

chrome/test/ui/dom_checker_uitest.cc

 // Copyright (c) 2009 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 "base/command_line.h"
 #include "base/file_path.h"
 #include "base/file_util.h"
 #include "base/scoped_ptr.h"
 #include "base/string_util.h"
 #include "base/values.h"
@@ skipping 206 matching lines @@
 
 TEST_F(DomCheckerTest, File) {
   if (!CommandLine::ForCurrentProcess()->HasSwitch(kRunDomCheckerTest))
     return;
 
   ResultsList new_passes, new_failures;
   RunTest(false, &new_passes, &new_failures);
   PrintResults(new_passes, new_failures);
 }
 
-TEST_F(DomCheckerTest, Http) {
+// TODO(arv): http://code.google.com/p/chromium/issues/detail?id=21321
+TEST_F(DomCheckerTest, DISABLED_Http) {
   if (!CommandLine::ForCurrentProcess()->HasSwitch(kRunDomCheckerTest))
     return;
 
   ResultsList new_passes, new_failures;
   RunTest(true, &new_passes, &new_failures);
   PrintResults(new_passes, new_failures);
 }
 
 }  // namespace