Convert WindowOpenDisposition to an enum class.

chrome/browser/ui/android/infobars/save_password_infobar.cc

 // Copyright 2015 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/ui/android/infobars/save_password_infobar.h"
 
 #include <utility>
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_string.h"
@@ skipping 27 matching lines @@
 
   return Java_SavePasswordInfoBar_show(
       env, GetEnumeratedIconId(), message_text,
       save_password_delegate->message_link_range().start(),
       save_password_delegate->message_link_range().end(), ok_button_text,
       cancel_button_text, first_run_experience_message);
 }
 
 void SavePasswordInfoBar::OnLinkClicked(JNIEnv* env,
                                         const JavaParamRef<jobject>& obj) {
-  GetDelegate()->LinkClicked(NEW_FOREGROUND_TAB);
+  GetDelegate()->LinkClicked(WindowOpenDisposition::NEW_FOREGROUND_TAB);
 }
 
 std::unique_ptr<infobars::InfoBar> CreateSavePasswordInfoBar(
     std::unique_ptr<SavePasswordInfoBarDelegate> delegate) {
   return base::MakeUnique<SavePasswordInfoBar>(std::move(delegate));
 }