Convert WindowOpenDisposition to an enum class.

chrome/browser/ui/views/media_router/media_router_ui_browsertest.cc

 // Copyright 2015 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 "base/bind.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "chrome/browser/extensions/browser_action_test_util.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_commands.h"
 #include "chrome/browser/ui/tabs/tab_strip_model.h"
@@ skipping 98 matching lines @@
                        OpenDialogWithMediaRouterAction) {
   // We start off at about:blank page.
   // Make sure there is 1 tab and media router is enabled.
   ASSERT_EQ(1, browser()->tab_strip_model()->count());
 
   OpenMediaRouterDialogAndWaitForNewWebContents();
 
   // Reload the browser and wait.
   content::TestNavigationObserver reload_observer(
       browser()->tab_strip_model()->GetActiveWebContents());
-  chrome::Reload(browser(), CURRENT_TAB);
+  chrome::Reload(browser(), WindowOpenDisposition::CURRENT_TAB);
   reload_observer.Wait();
 
   // The reload should have removed the previously created dialog.
   // We expect a new dialog WebContents to be created by calling this.
   OpenMediaRouterDialogAndWaitForNewWebContents();
 
   // Navigate away.
   ui_test_utils::NavigateToURL(browser(), GURL("about:blank"));
 
   // The navigation should have removed the previously created dialog.
   // We expect a new dialog WebContents to be created by calling this.
   OpenMediaRouterDialogAndWaitForNewWebContents();
 }
 
 }  // namespace media_router