Auto merge of #17835 - KiChjang:clearer-network-error, r=emilio

Make network error messages more specific

Instead of having a bogus "Network error" string, we extract the NetworkError struct from the Response and send it back to FetchResponseListener.

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1 files changed, 2 insertions, 4 deletions

diff --git a/components/net_traits/lib.rs b/components/net_traits/lib.rs
index 8cece70866a..7e841fd645b 100644
--- a/components/net_traits/lib.rs
+++ b/components/net_traits/lib.rs
@@ -228,10 +228,8 @@ impl FetchTaskTarget for IpcSender<FetchResponseMsg> {
     }
 
     fn process_response_eof(&mut self, response: &Response) {
-        if response.is_network_error() {
-            // todo: finer grained errors
-            let _ =
-                self.send(FetchResponseMsg::ProcessResponseEOF(Err(NetworkError::Internal("Network error".into()))));
+        if let Some(e) = response.get_network_error() {
+            let _ = self.send(FetchResponseMsg::ProcessResponseEOF(Err(e.clone())));
         } else {
             let _ = self.send(FetchResponseMsg::ProcessResponseEOF(Ok(())));
         }