Disabled UnloadTest.CrossSiteInfiniteBeforeUnloadSync because it flakes too often.

chrome/browser/unload_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.
 
 #if defined(OS_POSIX)
 #include <signal.h>
 #endif
 
 #include "base/command_line.h"
 #include "base/logging.h"
@@ skipping 212 matching lines @@
 
   NavigateToDataURL(INFINITE_BEFORE_UNLOAD_HTML, "infinitebeforeunload");
   // Must navigate to a non-data URL to trigger cross-site codepath.
   NavigateToNolistenersFileTwiceAsync();
 }
 
 // Navigate to a page with an infinite beforeunload handler.
 // Then two two sync crosssite requests to ensure
 // we correctly nav to each one.
 // If this flakes, reopen bug http://crbug.com/86469.
-IN_PROC_BROWSER_TEST_F(UnloadTest, CrossSiteInfiniteBeforeUnloadSync) {
+IN_PROC_BROWSER_TEST_F(UnloadTest, DISABLED_CrossSiteInfiniteBeforeUnloadSync) {
   // Tests makes no sense in single-process mode since the renderer is hung.
   if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kSingleProcess))
     return;
 
   NavigateToDataURL(INFINITE_BEFORE_UNLOAD_HTML, "infinitebeforeunload");
   // Must navigate to a non-data URL to trigger cross-site codepath.
   NavigateToNolistenersFileTwice();
 }
 
 // Tests closing the browser on a page with no unload listeners registered.
@@ skipping 157 matching lines @@
       content::NOTIFICATION_WEB_CONTENTS_DESTROYED,
       content::NotificationService::AllSources());
   chrome::CloseTab(browser());
   tab_close_observer.Wait();
 
   CheckTitle("only_one_unload");
 }
 
 // TODO(ojan): Add tests for unload/beforeunload that have multiple tabs
 // and multiple windows.