Persist download interrupt reason, both target and current paths, and url_chain.

content/public/browser/download_manager_delegate.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 CONTENT_PUBLIC_BROWSER_DOWNLOAD_MANAGER_DELEGATE_H_
 #define CONTENT_PUBLIC_BROWSER_DOWNLOAD_MANAGER_DELEGATE_H_
 
 #include "base/basictypes.h"
 #include "base/callback.h"
 #include "base/file_path.h"
@@ skipping 94 matching lines @@
   // download to its persistent store. When the delegate is done, it calls
   // DownloadManager::OnDownloadItemAddedToPersistentStore.
   virtual void AddItemToPersistentStore(DownloadItem* item) {}
 
   // Notifies the delegate that information about the given download has change,
   // so that it can update its persistent store.
   // Does not update |url|, |start_time|, |total_bytes|; uses |db_handle| only
   // to select the row in the database table to update.
   virtual void UpdateItemInPersistentStore(DownloadItem* item) {}
 
-  // Notifies the delegate that path for the download item has changed, so that
+  // Notifies the delegate that paths for the download item has changed, so that
   // it can update its persistent store.
   virtual void UpdatePathForItemInPersistentStore(
       DownloadItem* item,
-      const FilePath& new_path) {}
+      const FilePath& target_path,
+      const FilePath& current_path) {}
 
   // Notifies the delegate that it should remove the download item from its
   // persistent store.
   virtual void RemoveItemFromPersistentStore(DownloadItem* item) {}
 
   // Notifies the delegate to remove downloads from the given time range.
   virtual void RemoveItemsFromPersistentStoreBetween(
       base::Time remove_begin,
       base::Time remove_end) {}
 
@@ skipping 12 matching lines @@
                               const SavePackagePathPickedCallback& callback) {
   }
 
  protected:
   virtual ~DownloadManagerDelegate();
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_DOWNLOAD_MANAGER_DELEGATE_H_