Convert WindowOpenDisposition to an enum class.

chrome/browser/ui/search/instant_extended_manual_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 <stddef.h>
 
 #include "base/strings/string_util.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/search/instant_service.h"
 #include "chrome/browser/search/instant_service_factory.h"
@@ skipping 82 matching lines @@
 
 IN_PROC_BROWSER_TEST_F(InstantExtendedManualTest, MANUAL_SearchesFromFakebox) {
   set_browser(browser());
 
   FocusOmnibox();
   // Open a new tab page.
   content::WindowedNotificationObserver observer(
       content::NOTIFICATION_NAV_ENTRY_COMMITTED,
       content::NotificationService::AllSources());
   ui_test_utils::NavigateToURLWithDisposition(
-      browser(),
-      GURL(chrome::kChromeUINewTabURL),
-      CURRENT_TAB,
-      ui_test_utils::BROWSER_TEST_NONE);
+      browser(), GURL(chrome::kChromeUINewTabURL),
+      WindowOpenDisposition::CURRENT_TAB, ui_test_utils::BROWSER_TEST_NONE);
   observer.Wait();
   content::WebContents* active_tab =
       browser()->tab_strip_model()->GetActiveWebContents();
   ASSERT_TRUE(IsGooglePage(active_tab));
 
   // Click in the fakebox and expect invisible focus.
   ui_test_utils::ClickOnView(browser(), VIEW_ID_TAB_CONTAINER);
   bool fakebox_is_present = false;
   content::WindowedNotificationObserver focus_observer(
       chrome::NOTIFICATION_OMNIBOX_FOCUS_CHANGED,
@@ skipping 20 matching lines @@
   EXPECT_EQ("test", GetOmniboxText());
   EXPECT_EQ(OMNIBOX_FOCUS_VISIBLE, omnibox()->model()->focus_state());
 
   // Pressing enter should search for [test].
   const base::string16& search_title =
       base::ASCIIToUTF16("test - Google Search");
   content::TitleWatcher title_watcher(active_tab, search_title);
   PressEnterAndWaitForNavigation();
   EXPECT_EQ(search_title, title_watcher.WaitAndGetTitle());
 }