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

google_apis/drive/base_requests.cc

Index: google_apis/drive/base_requests.cc
diff --git a/google_apis/drive/base_requests.cc b/google_apis/drive/base_requests.cc
index e6ed73ccea46c346f3151d4806f0198b485a643d..d1aa60d92996300b6d203d0dee5ee8fdbe826858 100644
--- a/google_apis/drive/base_requests.cc
+++ b/google_apis/drive/base_requests.cc
@@ -312,9 +312,10 @@ int ResponseWriter::Write(net::IOBuffer* buffer,
   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;
 }