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

chrome/common/chrome_notification_types.h

 // 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 CHROME_COMMON_CHROME_NOTIFICATION_TYPES_H_
 #define CHROME_COMMON_CHROME_NOTIFICATION_TYPES_H_
 #pragma once
 
-#include "content/public/browser/notification_types.h"
+#include "ui/web_dialogs/web_dialog_notification_types.h"
 
 namespace chrome {
 
 enum NotificationType {
-  NOTIFICATION_CHROME_START = content::NOTIFICATION_CONTENT_END,
+  NOTIFICATION_CHROME_START = web_dialogs::NOTIFICATION_WEB_DIALOGS_END,
 
   // Browser-window ----------------------------------------------------------
 
   // This message is sent after a window has been opened.  The source is a
   // Source<Browser> containing the affected Browser.  No details are
   // expected.
   NOTIFICATION_BROWSER_OPENED = NOTIFICATION_CHROME_START,
 
   // This message is sent soon after BROWSER_OPENED, and indicates that
   // the Browser's |window_| is now non-NULL. The source is a Source<Browser>
@@ skipping 1045 matching lines @@
 
   // Blocked content.
   // Sent when content changes to or from the blocked state in
   // BlockedContentTabHelper.
   // The source is the TabContentsWrapper of the blocked content and details
   // is a boolean: true if the content is entering the blocked state, false
   // if it is leaving.
   NOTIFICATION_CONTENT_BLOCKED_STATE_CHANGED,
 
   // Note:-
-  // Currently only Content and Chrome define and use notifications.
-  // Custom notifications not belonging to Content and Chrome should start
-  // from here.
+  // Currently only Content, Chrome and WebDialogs define and use notifications.
+  // Custom notifications not belonging to Content,
+  // Chrome and WebDialogs should start from here.
   NOTIFICATION_CHROME_END,
 };
 
 }  // namespace chrome
 
 
 #endif  // CHROME_COMMON_CHROME_NOTIFICATION_TYPES_H_