Make URLFetcherFileWriter::Finish() skip closing file when there is an error

google_apis/drive/base_requests.cc

 // 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.
 
 #include "google_apis/drive/base_requests.h"
 
 #include <stddef.h>
 
 #include <utility>
 
@@ skipping 294 matching lines @@
                    make_scoped_refptr(buffer), callback));
     if (result != net::ERR_IO_PENDING)
       DidWrite(buffer, net::CompletionCallback(), result);
     return result;
   }
 
   data_.append(buffer->data(), num_bytes);
   return num_bytes;
 }
 
-int ResponseWriter::Finish(const net::CompletionCallback& callback) {
+int ResponseWriter::Finish(int net_error,
+                           const net::CompletionCallback& callback) {
   if (file_writer_)
-    return file_writer_->Finish(callback);
+    return file_writer_->Finish(net_error, callback);
 
   return net::OK;
 }
 
 void ResponseWriter::DidWrite(scoped_refptr<net::IOBuffer> buffer,
                               const net::CompletionCallback& callback,
                               int result) {
   if (result > 0) {
     // Even if file_writer_ is used, append the data to |data_|, so that it can
     // be used to get error information in case of server side errors.
@@ skipping 675 matching lines @@
   download_action_callback_.Run(code, temp_file);
   OnProcessURLFetchResultsComplete();
 }
 
 void DownloadFileRequestBase::RunCallbackOnPrematureFailure(
     DriveApiErrorCode code) {
   download_action_callback_.Run(code, base::FilePath());
 }
 
 }  // namespace google_apis