Convert WindowOpenDisposition to an enum class.

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

 // Copyright 2016 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/update_password_infobar.h"
 
 #include <vector>
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_array.h"
@@ skipping 44 matching lines @@
       update_password_delegate->message_link_range().start(),
       update_password_delegate->message_link_range().end(), ok_button_text,
       cancel_button_text));
 
   java_infobar_.Reset(env, infobar.obj());
   return infobar;
 }
 
 void UpdatePasswordInfoBar::OnLinkClicked(JNIEnv* env,
                                           const JavaParamRef<jobject>& obj) {
-  GetDelegate()->LinkClicked(NEW_FOREGROUND_TAB);
+  GetDelegate()->LinkClicked(WindowOpenDisposition::NEW_FOREGROUND_TAB);
 }