Disable ProfileManagerBrowserTest.DeletePasswords on Linux.

chrome/browser/profiles/profile_manager_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 <stddef.h>
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/macros.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 400 matching lines @@
   EXPECT_EQ(initial_profile_count + 1U, storage.GetNumberOfProfiles());
 
   // The second should though.
   CloseBrowserSynchronously(browser_list->get(1));
   EXPECT_EQ(1U, browser_list->size());
   EXPECT_EQ(initial_profile_count, storage.GetNumberOfProfiles());
 }
 
 // The test makes sense on those platforms where the keychain exists.
 #if !defined(OS_WIN) && !defined(OS_ANDROID) && !defined(OS_CHROMEOS)
-IN_PROC_BROWSER_TEST_F(ProfileManagerBrowserTest, DeletePasswords) {
+
+// Suddenly started failing on Linux, see http://crbug.com/660488.
+#if defined(OS_LINUX)
+#define MAYBE_DeletePasswords DISABLED_DeletePasswords
+#else
+#define MAYBE_DeletePasswords DeletePasswords
+#endif
+
+IN_PROC_BROWSER_TEST_F(ProfileManagerBrowserTest, MAYBE_DeletePasswords) {
   Profile* profile = ProfileManager::GetActiveUserProfile();
   ASSERT_TRUE(profile);
 
   autofill::PasswordForm form;
   form.scheme = autofill::PasswordForm::SCHEME_HTML;
   form.origin = GURL("http://accounts.google.com/LoginAuth");
   form.signon_realm = "http://accounts.google.com/";
   form.username_value = base::ASCIIToUTF16("my_username");
   form.password_value = base::ASCIIToUTF16("my_password");
   form.preferred = true;
@@ skipping 60 matching lines @@
 
   EXPECT_FALSE(profile->HasOffTheRecordProfile());
   EXPECT_FALSE(profile_manager->IsValidProfile(incognito_profile));
   EXPECT_EQ(initial_profile_count, profile_manager->GetNumberOfProfiles());
   // After destroying the incognito profile incognito preferences should be
   // cleared so the default save path should be taken from the main profile.
   EXPECT_FALSE(profile->GetOffTheRecordPrefs()
                    ->GetFilePath(prefs::kSaveFileDefaultDirectory)
                    .empty());
 }