Convert WindowOpenDisposition to an enum class.

chrome/browser/chromeos/input_method/textinput_browsertest.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/macros.h"
 #include "chrome/browser/chromeos/input_method/textinput_test_helper.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_window.h"
@@ skipping 276 matching lines @@
 
   // Focus to password field.
   helper.ClickElement("password_id", base_tab);
   helper.WaitForTextInputStateChanged(ui::TEXT_INPUT_TYPE_PASSWORD);
   EXPECT_EQ(ui::TEXT_INPUT_TYPE_PASSWORD, helper.GetTextInputType());
 
   // Then opening new foreground tab and wait new TextInputType.
   GURL new_url = ui_test_utils::GetTestUrl(
       base::FilePath(FILE_PATH_LITERAL("textinput")),
       base::FilePath(FILE_PATH_LITERAL("focus_input_on_load.html")));
-  ui_test_utils::NavigateToURLWithDisposition(browser(),
-                                              new_url,
-                                              NEW_FOREGROUND_TAB,
-                                              0);
+  ui_test_utils::NavigateToURLWithDisposition(
+      browser(), new_url, WindowOpenDisposition::NEW_FOREGROUND_TAB, 0);
   content::WebContents* new_tab =
       browser()->tab_strip_model()->GetActiveWebContents();
   EXPECT_NE(base_tab, new_tab);
 
   helper.WaitForTextInputStateChanged(ui::TEXT_INPUT_TYPE_TEXT);
   EXPECT_EQ(ui::TEXT_INPUT_TYPE_TEXT, helper.GetTextInputType());
 }
 
 } // namespace chromeos