Convert WindowOpenDisposition to an enum class.

chrome/browser/ui/webui/options/chromeos/shared_options_browsertest.cc

 // Copyright 2014 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/compiler_specific.h"
 #include "base/macros.h"
 #include "base/strings/stringprintf.h"
 #include "chrome/browser/chromeos/login/login_manager_test.h"
@@ skipping 341 matching lines @@
   {
     SCOPED_TRACE("Screen lock false for both users");
     expected_value = false;
     CheckBooleanPreference(contents, prefs::kEnableAutoScreenLock, disabled,
                            empty_controlled, expected_value);
   }
 
   // Set the secondary user's preference to true, and reload the primary user's
   // browser to see the updated controlled-by indicator.
   prefs2->SetBoolean(prefs::kEnableAutoScreenLock, true);
-  chrome::Reload(browser, CURRENT_TAB);
+  chrome::Reload(browser, WindowOpenDisposition::CURRENT_TAB);
   content::WaitForLoadStop(contents);
   {
     SCOPED_TRACE("Screen lock false for primary user");
     expected_value = false;
     CheckBooleanPreference(contents, prefs::kEnableAutoScreenLock, disabled,
                            shared_controlled, expected_value);
   }
 
   // Set the preference to true for the primary user and check that the
   // indicator disappears.
@@ skipping 60 matching lines @@
   {
     SCOPED_TRACE("Screen lock false for secondary user");
     expected_value = false;
     CheckBooleanPreference(contents, prefs::kEnableAutoScreenLock, disabled,
                            shared_controlled, expected_value);
   }
 
   // Set the preference to false for the primary user and check that the
   // indicator disappears.
   prefs1->SetBoolean(prefs::kEnableAutoScreenLock, false);
-  chrome::Reload(browser, CURRENT_TAB);
+  chrome::Reload(browser, WindowOpenDisposition::CURRENT_TAB);
   content::WaitForLoadStop(contents);
   {
     SCOPED_TRACE("Screen lock false for both users");
     expected_value = false;
     CheckBooleanPreference(contents, prefs::kEnableAutoScreenLock, disabled,
                            empty_controlled, expected_value);
   }
 }
 
 }  // namespace chromeos