Convert WindowOpenDisposition to an enum class.

chrome/browser/notifications/notification_interactive_uitest.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 <deque>
 #include <string>
 
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/command_line.h"
@@ skipping 678 matching lines @@
     TestCrashRendererNotificationRemain
 #endif
 
 IN_PROC_BROWSER_TEST_F(NotificationsTest,
                        MAYBE_TestCrashRendererNotificationRemain) {
   ASSERT_TRUE(embedded_test_server()->Start());
 
   // Test crashing renderer does not close or crash notification.
   AllowAllOrigins();
   ui_test_utils::NavigateToURLWithDisposition(
-      browser(),
-      GURL("about:blank"),
-      NEW_BACKGROUND_TAB,
+      browser(), GURL("about:blank"), WindowOpenDisposition::NEW_BACKGROUND_TAB,
       ui_test_utils::BROWSER_TEST_WAIT_FOR_TAB);
   browser()->tab_strip_model()->ActivateTabAt(0, true);
   ui_test_utils::NavigateToURL(browser(), GetTestPageURL());
   CreateSimpleNotification(browser(), true);
   ASSERT_EQ(1, GetNotificationCount());
   CrashTab(browser(), 0);
   ASSERT_EQ(1, GetNotificationCount());
 }
 
 IN_PROC_BROWSER_TEST_F(NotificationsTest, TestNotificationReplacement) {
@@ skipping 164 matching lines @@
       true);  // by_user
 
   ASSERT_EQ(0, GetNotificationCount());
 
   // Calling WebContents::IsCrashed() will return FALSE here, even if the WC did
   // crash. Work around this timing issue by creating another notification,
   // which requires interaction with the renderer process.
   result = CreateNotification(browser(), true, "", "Title1", "Body1", "chat");
   EXPECT_NE("-1", result);
 }