Extract a minimal subset of WebDialogUI/WebDialogDelegate from src/chrome -> src/ui/web_dialogs

ui/web_dialogs/web_dialog_notification_types.h

Index: ui/web_dialogs/web_dialog_notification_types.h
===================================================================
--- ui/web_dialogs/web_dialog_notification_types.h	(revision 0)
+++ ui/web_dialogs/web_dialog_notification_types.h	(revision 0)
@@ -0,0 +1,31 @@
+// 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.
+
+#ifndef UI_WEB_DIALOGS_WEB_DIALOG_NOTIFICATION_TYPES_H_
+#define UI_WEB_DIALOGS_WEB_DIALOG_NOTIFICATION_TYPES_H_
+#pragma once
+
+#include "content/public/browser/notification_types.h"
+
+namespace web_dialogs {
+
+enum NotificationType {
+  NOTIFICATION_WEB_DIALOGS_START = content::NOTIFICATION_CONTENT_END,
+
+  // Sent after an WebDialog dialog has been shown. The source is the
+  // dialog. The details is a Details<RenderViewHost> with a pointer to the RVH
+  // for the shown dialog.
+  NOTIFICATION_WEB_DIALOG_SHOWN = NOTIFICATION_WEB_DIALOGS_START,
+
+  // Note:-
+  // Currently only Content, Chrome and WebDialogs define and use notifications.
+  // Custom notifications should start from chrome::NOTIFICATION_CHROME_END,
+  // not from here.
+  NOTIFICATION_WEB_DIALOGS_END,
+};
+
+}  // namespace web_dialogs
+
+
+#endif  // UI_WEB_DIALOGS_WEB_DIALOG_NOTIFICATION_TYPES_H_