Convert WindowOpenDisposition to an enum class.

chrome/browser/extensions/extension_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 "chrome/browser/extensions/extension_browsertest.h"
 
 #include <stddef.h>
 
 #include <utility>
 #include <vector>
@@ skipping 300 matching lines @@
 }
 
 const Extension* ExtensionBrowserTest::LoadAndLaunchApp(
     const base::FilePath& path) {
   const Extension* app = LoadExtension(path);
   CHECK(app);
   content::WindowedNotificationObserver app_loaded_observer(
       content::NOTIFICATION_LOAD_COMPLETED_MAIN_FRAME,
       content::NotificationService::AllSources());
   AppLaunchParams params(profile(), app, extensions::LAUNCH_CONTAINER_NONE,
-                         NEW_WINDOW, extensions::SOURCE_TEST);
+                         WindowOpenDisposition::NEW_WINDOW,
+                         extensions::SOURCE_TEST);
   params.command_line = *base::CommandLine::ForCurrentProcess();
   OpenApplication(params);
   app_loaded_observer.Wait();
 
   return app;
 }
 
 base::FilePath ExtensionBrowserTest::PackExtension(
     const base::FilePath& dir_path) {
   base::FilePath crx_path = temp_dir_.path().AppendASCII("temp.crx");
@@ skipping 323 matching lines @@
   return extensions::browsertest_util::ExecuteScriptInBackgroundPage(
       profile(), extension_id, script);
 }
 
 bool ExtensionBrowserTest::ExecuteScriptInBackgroundPageNoWait(
     const std::string& extension_id,
     const std::string& script) {
   return extensions::browsertest_util::ExecuteScriptInBackgroundPageNoWait(
       profile(), extension_id, script);
 }