Preliminary work on resuming downloads whose connections have expired.

chrome/browser/download/drag_download_file.h

 // Copyright (c) 2009-2010 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_DOWNLOAD_DRAG_DOWNLOAD_FILE_H_
 #define CHROME_BROWSER_DOWNLOAD_DRAG_DOWNLOAD_FILE_H_
 #pragma once
 
 #include "app/download_file_interface.h"
 #include "base/file_path.h"
@@ skipping 40 matching lines @@
 
   // DownloadManager::Observer methods.
   // Called on UI thread.
   virtual void ModelChanged();
 
   // DownloadItem::Observer methods.
   // Called on UI thread.
   virtual void OnDownloadUpdated(DownloadItem* download);
   virtual void OnDownloadFileCompleted(DownloadItem* download);
   virtual void OnDownloadOpened(DownloadItem* download) { }
+  virtual void OnDownloadInterrupted(DownloadItem* download) { }
 
  private:
   // Called on drag-and-drop thread (Windows).
   // Called on UI thread (Windows).
   virtual ~DragDownloadFile();
 
   // Called on drag-and-drop thread (Windows only).
 #if defined(OS_WIN)
   void StartNestedMessageLoop();
   void QuitNestedMessageLoop();
@@ skipping 33 matching lines @@
 #endif
 
   // Access on UI thread.
   DownloadManager* download_manager_;
   bool download_item_observer_added_;
 
   DISALLOW_COPY_AND_ASSIGN(DragDownloadFile);
 };
 
 #endif  // CHROME_BROWSER_DOWNLOAD_DRAG_DOWNLOAD_FILE_H_