Disable InstantExtendedTest.UpdateSearchQueryOnForwardNavigation.

chrome/browser/ui/search/instant_extended_interactive_uitest.cc

 // Copyright 2013 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 <sstream>
 
 #include "base/command_line.h"
 #include "base/metrics/histogram_base.h"
 #include "base/metrics/histogram_samples.h"
 #include "base/metrics/statistics_recorder.h"
@@ skipping 1361 matching lines @@
   active_tab->GetController().GoBack();
   load_stop_observer.Wait();
 
   EXPECT_EQ(ASCIIToUTF16("flowers"), omnibox()->GetText());
   // Commit the search by pressing 'Enter'.
   FocusOmnibox();
   PressEnterAndWaitForNavigation();
   EXPECT_EQ(ASCIIToUTF16("flowers"), omnibox()->GetText());
 }
 
-// Flaky on Mac and Linux Tests bots.
-#if defined(OS_MACOSX) || defined(OS_LINUX)
-#define MAYBE_UpdateSearchQueryOnForwardNavigation DISABLED_UpdateSearchQueryOnForwardNavigation
-#else
-#define MAYBE_UpdateSearchQueryOnForwardNavigation UpdateSearchQueryOnForwardNavigation
-#endif
+// Flaky: crbug.com/253092.
 // Test to verify that the omnibox search query is updated on browser
 // forward button press events.
 IN_PROC_BROWSER_TEST_F(InstantExtendedTest,
-                       MAYBE_UpdateSearchQueryOnForwardNavigation) {
+                       DISABLED_UpdateSearchQueryOnForwardNavigation) {
   ASSERT_NO_FATAL_FAILURE(SetupInstant(browser()));
 
   // Focus omnibox and confirm overlay isn't shown.
   FocusOmniboxAndWaitForInstantNTPSupport();
 
   // Create an observer to wait for the instant tab to support Instant.
   content::WindowedNotificationObserver observer(
       chrome::NOTIFICATION_INSTANT_TAB_SUPPORT_DETERMINED,
       content::NotificationService::AllSources());
 
@@ skipping 249 matching lines @@
   content::WindowedNotificationObserver observer(
       content::NOTIFICATION_LOAD_STOP,
       content::Source<content::NavigationController>(
           &ntp_contents->GetController()));
   service->SetDefaultSearchProvider(template_url);
   observer.Wait();
 
   // Make sure the URL remains the same.
   EXPECT_EQ(ntp_url, ntp_contents->GetURL());
 }