chrome: Cleanup class/struct forward declarations

chrome/browser/printing/cloud_print/privet_notifications.h

 // Copyright 2013 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_BROWSER_PRINTING_CLOUD_PRINT_PRIVET_NOTIFICATIONS_H_
 #define CHROME_BROWSER_PRINTING_CLOUD_PRINT_PRIVET_NOTIFICATIONS_H_
 
 #include <map>
 #include <memory>
 #include <string>
 
 #include "chrome/browser/notifications/notification_delegate.h"
 #include "chrome/browser/printing/cloud_print/privet_device_lister.h"
 #include "chrome/browser/printing/cloud_print/privet_http.h"
 #include "components/keyed_service/core/keyed_service.h"
 #include "components/prefs/pref_member.h"
 #include "net/net_features.h"
 
-class NotificationUIManager;
 class Profile;
 
 namespace content {
 class BrowserContext;
 }
 
 namespace local_discovery {
 class ServiceDiscoverySharedClient;
 }
 
@@ skipping 126 matching lines @@
   virtual void DisableNotifications();
 
   void CloseNotification();
 
   Profile* const profile_;
 };
 
 }  // namespace cloud_print
 
 #endif  // CHROME_BROWSER_PRINTING_CLOUD_PRINT_PRIVET_NOTIFICATIONS_H_