Moving notification types which are chrome specific to a new header file chrome_notification_type...

chrome/browser/download/download_item.h

 // Copyright (c) 2011 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.
 //
 // Each download is represented by a DownloadItem, and all DownloadItems
 // are owned by the DownloadManager which maintains a global list of all
 // downloads. DownloadItems are created when a user initiates a download,
 // and exist for the duration of the browser life time.
 //
 // Download observers:
@@ skipping 113 matching lines @@
 
   virtual ~DownloadItem();
 
   void AddObserver(Observer* observer);
   void RemoveObserver(Observer* observer);
 
   // Notifies our observers periodically.
   void UpdateObservers();
 
   // NotificationObserver implementation.
-  virtual void Observe(NotificationType type,
+  virtual void Observe(int type,
                        const NotificationSource& source,
                        const NotificationDetails& details);
 
   // Returns true if it is OK to open a folder which this file is inside.
   bool CanShowInFolder();
 
   // Returns true if it is OK to register the type of this file so that
   // it opens automatically.
   bool CanOpenDownload();
 
@@ skipping 326 matching lines @@
   // only.
   bool open_enabled_;
 
   // DownloadItem observes CRX installs it initiates.
   NotificationRegistrar registrar_;
 
   DISALLOW_COPY_AND_ASSIGN(DownloadItem);
 };
 
 #endif  // CHROME_BROWSER_DOWNLOAD_DOWNLOAD_ITEM_H_