Disable a few tests that started flaking after r460581.

chrome/browser/ui/login/login_handler_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 <algorithm>
 #include <list>
 #include <map>
 
 #include "base/metrics/field_trial.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 790 matching lines @@
     }
   }
 
   // Should stay on the main frame's url once the prompt the iframe is closed.
   EXPECT_EQ("www.a.com", contents->GetVisibleURL().host());
 
   EXPECT_EQ(1, observer.auth_needed_count());
 }
 
 IN_PROC_BROWSER_TEST_F(LoginPromptBrowserTest, SupplyRedundantAuths) {
+  if (content::IsBrowserSideNavigationEnabled())
+    return; // TODO(jam): investigate
   ASSERT_TRUE(embedded_test_server()->Start());
 
   // Get NavigationController for tab 1.
   content::WebContents* contents_1 =
       browser()->tab_strip_model()->GetActiveWebContents();
   NavigationController* controller_1 = &contents_1->GetController();
 
   // Open a new tab.
   ui_test_utils::NavigateToURLWithDisposition(
       browser(), GURL("about:blank"), WindowOpenDisposition::NEW_FOREGROUND_TAB,
@@ skipping 35 matching lines @@
     auth_supplied_waiter_1.Wait();
     auth_supplied_waiter_2.Wait();
   }
 
   EXPECT_EQ(2, observer.auth_needed_count());
   EXPECT_EQ(2, observer.auth_supplied_count());
   EXPECT_EQ(0, observer.auth_cancelled_count());
 }
 
 IN_PROC_BROWSER_TEST_F(LoginPromptBrowserTest, CancelRedundantAuths) {
+  if (content::IsBrowserSideNavigationEnabled())
+    return; // TODO(jam): investigate
   ASSERT_TRUE(embedded_test_server()->Start());
 
   // Get NavigationController for tab 1.
   content::WebContents* contents_1 =
       browser()->tab_strip_model()->GetActiveWebContents();
   NavigationController* controller_1 = &contents_1->GetController();
 
   // Open a new tab.
   ui_test_utils::NavigateToURLWithDisposition(
       browser(), GURL("about:blank"), WindowOpenDisposition::NEW_FOREGROUND_TAB,
@@ skipping 553 matching lines @@
   // out.
   EXPECT_TRUE(
       WaitForRenderFrameReady(contents->GetInterstitialPage()->GetMainFrame()));
   EXPECT_TRUE(contents->ShowingInterstitialPage());
   EXPECT_EQ(SSLBlockingPage::kTypeForTesting, contents->GetInterstitialPage()
                                                   ->GetDelegateForTesting()
                                                   ->GetTypeForTesting());
 }
 
 }  // namespace