Convert WindowOpenDisposition to an enum class.

chrome/browser/ui/webui/print_preview/print_preview_ui_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 "base/strings/utf_string_conversions.h"
 #include "build/build_config.h"
 #include "chrome/app/chrome_command_ids.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/task_manager/task_manager_browsertest_util.h"
 #include "chrome/browser/ui/browser.h"
@@ skipping 57 matching lines @@
   // Create the print preview dialog.
   Print();
 
   ASSERT_FALSE(chrome::IsCommandEnabled(browser(), IDC_PRINT));
 
   ASSERT_EQ(is_basic_print_expected,
             chrome::IsCommandEnabled(browser(), IDC_BASIC_PRINT));
 
   content::TestNavigationObserver reload_observer(
       browser()->tab_strip_model()->GetActiveWebContents());
-  chrome::Reload(browser(), CURRENT_TAB);
+  chrome::Reload(browser(), WindowOpenDisposition::CURRENT_TAB);
   reload_observer.Wait();
 
   ASSERT_TRUE(chrome::IsCommandEnabled(browser(), IDC_PRINT));
 
   ASSERT_EQ(is_basic_print_expected,
             chrome::IsCommandEnabled(browser(), IDC_BASIC_PRINT));
 }
 
 // Disable the test for mac, see http://crbug/367665.
 #if defined(OS_MACOSX) || defined(OS_LINUX)
@@ skipping 33 matching lines @@
       WaitForTaskManagerRows(1, MatchPrint(url::kAboutBlankURL)));
 }
 
 #if defined(OS_WIN)
 // http://crbug.com/396360
 IN_PROC_BROWSER_TEST_F(PrintPreviewTest, DISABLED_NoCrashOnCloseWithOtherTabs) {
   // Now print preview.
   Print();
 
   ui_test_utils::NavigateToURLWithDisposition(
-      browser(), GURL("about:blank"), NEW_FOREGROUND_TAB,
+      browser(), GURL("about:blank"), WindowOpenDisposition::NEW_FOREGROUND_TAB,
       ui_test_utils::BROWSER_TEST_WAIT_FOR_NAVIGATION);
 
   browser()->tab_strip_model()->ActivateTabAt(0, true);
 
   // Navigate main tab to hide print preview.
   ui_test_utils::NavigateToURL(browser(), GURL("about:blank"));
 
   browser()->tab_strip_model()->ActivateTabAt(1, true);
 }
 #endif  // defined(OS_WIN)
 
 }  // namespace