Disable more flaky tests in ResourceDispatcherHostBrowserTest

content/browser/loader/resource_dispatcher_host_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 "base/memory/ref_counted.h"
 #include "base/strings/string_util.h"
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversions.h"
 #include "content/browser/download/download_manager_impl.h"
 #include "content/browser/web_contents/web_contents_impl.h"
@@ skipping 205 matching lines @@
       "sync xhr on unload");
 
   // Navigate to a new page, to dispatch unload event and trigger xhr.
   // (the bug would make this step hang the renderer).
   CheckTitleTest(
       embedded_test_server()->GetURL("/title2.html"), "Title Of Awesomeness");
 
   ASSERT_FALSE(got_downloads());
 }
 
+// Flaky on mac bots. crbug.com/429190
+#if defined(OS_MACOSX)
+#define MAYBE_CrossSiteOnunloadCookie DISABLED_CrossSiteOnunloadCookie
+#else
+#define MAYBE_CrossSiteOnunloadCookie CrossSiteOnunloadCookie
+#endif
 // Tests that onunload is run for cross-site requests.  (Bug 1114994)
 IN_PROC_BROWSER_TEST_F(ResourceDispatcherHostBrowserTest,
-                       CrossSiteOnunloadCookie) {
+                       MAYBE_CrossSiteOnunloadCookie) {
   ASSERT_TRUE(embedded_test_server()->InitializeAndWaitUntilReady());
 
   GURL url = embedded_test_server()->GetURL("/onunload_cookie.html");
   CheckTitleTest(url, "set cookie on unload");
 
   // Navigate to a new cross-site page, to dispatch unload event and set the
   // cookie.
   CheckTitleTest(GetMockURL("content-sniffer-test0.html"),
                  "Content Sniffer Test 0");
 
@@ skipping 231 matching lines @@
       "http://localhost:%d/set_cookie.html", embedded_test_server()->port()));
   GURL url(embedded_test_server()->GetURL("/redirect?" + set_cookie_url));
 
   ShellContentBrowserClient::SetSwapProcessesForRedirect(true);
   ShellNetworkDelegate::SetAcceptAllCookies(false);
 
   CheckTitleTest(url, "cookie set");
 }
 
 }  // namespace content