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

chrome/common/chrome_notification_types.h

Index: chrome/common/chrome_notification_types.h
===================================================================
--- chrome/common/chrome_notification_types.h	(revision 135175)
+++ chrome/common/chrome_notification_types.h	(working copy)
@@ -6,12 +6,12 @@
 #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 ----------------------------------------------------------
 
@@ -1077,9 +1077,9 @@
   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,
 };