Disable OptionsUIBrowserTest.VerifyManagedSignout on Linux

chrome/browser/ui/webui/options/options_ui_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 "chrome/browser/ui/webui/options/options_ui_browsertest.h"
 
 #include "base/prefs/pref_service.h"
 #include "base/scoped_observer.h"
 #include "base/strings/string16.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 168 matching lines @@
       browser()->tab_strip_model()->GetActiveWebContents(),
       base::Bind(&FrameHasSettingsSourceHost));
 }
 
 IN_PROC_BROWSER_TEST_F(OptionsUIBrowserTest, LoadOptionsByURL) {
   NavigateToSettings();
   VerifyTitle();
   VerifyNavbar();
 }
 
-// Flaky on Mac and Win: http://crbug.com/469113
-#if defined(OS_WIN) || defined(OS_MACOSX)
+// Flaky on Linux, Mac and Win: http://crbug.com/469113
+#if defined(OS_WIN) || defined(OS_MACOSX) || defined(OS_LINUX)
 #define MAYBE_VerifyManagedSignout DISABLED_VerifyManagedSignout
 #else
 #define MAYBE_VerifyManagedSignout VerifyManagedSignout
 #endif
 
 #if !defined(OS_CHROMEOS)
 IN_PROC_BROWSER_TEST_F(OptionsUIBrowserTest, MAYBE_VerifyManagedSignout) {
   SigninManager* signin =
       SigninManagerFactory::GetForProfile(browser()->profile());
   signin->OnExternalSigninCompleted("test@example.com");
@@ skipping 122 matching lines @@
   run_loop.Run();
 
   // Verify that the settings page has updated and lists two profiles.
   ASSERT_TRUE(content::ExecuteScriptAndExtractInt(
       contents, javascript, &profiles));
   EXPECT_EQ(2, profiles);
 }
 #endif
 
 }  // namespace options