Convert WindowOpenDisposition to an enum class.

chrome/browser/extensions/api/media_galleries/media_galleries_apitest.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 <stdint.h>
 
 #include "base/auto_reset.h"
 #include "base/callback.h"
 #include "base/files/file_util.h"
 #include "base/files/scoped_temp_dir.h"
@@ skipping 286 matching lines @@
 };
 
 IN_PROC_BROWSER_TEST_F(MediaGalleriesPlatformAppPpapiTest, SendFilesystem) {
   RemoveAllGalleries();
   MakeSingleFakeGallery(NULL);
 
   const extensions::Extension* extension = LoadExtension(app_dir());
   ASSERT_TRUE(extension);
 
   extensions::ResultCatcher catcher;
-  AppLaunchParams params(browser()->profile(), extension,
-                         extensions::LAUNCH_CONTAINER_NONE, NEW_WINDOW,
-                         extensions::SOURCE_TEST);
+  AppLaunchParams params(
+      browser()->profile(), extension, extensions::LAUNCH_CONTAINER_NONE,
+      WindowOpenDisposition::NEW_WINDOW, extensions::SOURCE_TEST);
   params.command_line = *base::CommandLine::ForCurrentProcess();
   OpenApplication(params);
 
   bool result = true;
   if (!catcher.GetNextResult()) {
     message_ = catcher.message();
     result = false;
   }
   content::RunAllPendingInMessageLoop();  // avoid race on exit in registry.
   ASSERT_TRUE(result) << message_;
@@ skipping 137 matching lines @@
 
   base::ListValue custom_args;
 #if defined(USE_PROPRIETARY_CODECS)
   custom_args.AppendBoolean(true);
 #else
   custom_args.AppendBoolean(false);
 #endif
   ASSERT_TRUE(RunMediaGalleriesTestWithArg("media_metadata", custom_args))
       << message_;
 }