Detect file system errors during downloads.

content/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 163 matching lines @@
   // DownloadManagerDelegate::ShouldCompleteDownload.
   void CompleteDelayedDownload();
 
   // Called when all data has been saved. Only has display effects.
   void OnAllDataSaved(int64 size);
 
   // Called when the downloaded file is removed.
   void OnDownloadedFileRemoved();
 
   // Download operation had an error.
-  // |size| is the amount of data received so far, and |os_error| is the error
-  // code that the operation received.
-  void Interrupted(int64 size, int os_error);
+  // |size| is the amount of data received at interruption.
+  // |error| is the network error code that the operation received.
+  void Interrupted(int64 size, int error);
 
   // Deletes the file from disk and removes the download from the views and
   // history.  |user| should be true if this is the result of the user clicking
   // the discard button, and false if it is being deleted for other reasons like
   // browser shutdown.
   void Delete(DeleteReason reason);
 
   // Removes the download from the views and history.
   void Remove();
 
@@ skipping 278 matching lines @@
   // only.
   bool open_enabled_;
 
   // Did the delegate delay calling Complete on this download?
   bool delegate_delayed_complete_;
 
   DISALLOW_COPY_AND_ASSIGN(DownloadItem);
 };
 
 #endif  // CONTENT_BROWSER_DOWNLOAD_DOWNLOAD_ITEM_H_