Improve error handling in FtpDirectoryListingResponseDelegate.

content/child/web_url_loader_impl.cc

Index: content/child/web_url_loader_impl.cc
diff --git a/content/child/web_url_loader_impl.cc b/content/child/web_url_loader_impl.cc
index 716adc96f28500ec3e7b242ef1efaa917c216b88..e9a0be12bf22b75a1c03c51e75a06fcd3b6f9428 100644
--- a/content/child/web_url_loader_impl.cc
+++ b/content/child/web_url_loader_impl.cc
@@ -870,8 +870,8 @@ void WebURLLoaderImpl::Context::OnCompletedRequest(
   }
 
   if (ftp_listing_delegate_) {
-    ftp_listing_delegate_->OnCompletedRequest();
-    ftp_listing_delegate_.reset(NULL);
+    ftp_listing_delegate_->OnCompletedRequest(error_code);
+    ftp_listing_delegate_.reset();
   }
 
   if (body_stream_writer_ && error_code != net::OK)
@@ -910,8 +910,8 @@ void WebURLLoaderImpl::Context::CancelBodyStreaming() {
 
   // Notify renderer clients that the request is canceled.
   if (ftp_listing_delegate_) {
-    ftp_listing_delegate_->OnCompletedRequest();
-    ftp_listing_delegate_.reset(NULL);
+    ftp_listing_delegate_->OnCompletedRequest(net::OK);
+    ftp_listing_delegate_.reset();
   }
 
   if (body_stream_writer_) {