net: use an empty body for the null body case

components/net/http_loader.rs

@@ -421,8 +421,16 @@ fn obtain_response(
 
     let devtools_bytes = StdArc::new(Mutex::new(vec![]));
 
-    let request_body = match body {
-        Some(chunk_requester) => {
+    // https://url.spec.whatwg.org/#percent-encoded-bytes
+    let encoded_url = url
+        .clone()
+        .into_url()
+        .as_ref()
+        .replace("|", "%7C")
+        .replace("{", "%7B")
+        .replace("}", "%7D");
+
+    let request = if let Some(chunk_requester) = body {
         // TODO: If body is a stream, append `Transfer-Encoding`/`chunked`,
         // see step 4.2 of https://fetch.spec.whatwg.org/#concept-http-network-fetch
 
@@ -463,15 +471,15 @@ fn obtain_response(
             }),
         );
 
-            receiver
-        },
-        _ => {
-            let (_sender, mut receiver) = channel(1);
-
-            receiver.close();
-
-            receiver
-        },
+        HyperRequest::builder()
+            .method(method)
+            .uri(encoded_url)
+            .body(Body::wrap_stream(receiver))
+    } else {
+        HyperRequest::builder()
+            .method(method)
+            .uri(encoded_url)
+            .body(Body::empty())
     };
 
     context
@@ -489,19 +497,6 @@ fn obtain_response(
         .unwrap()
         .set_attribute(ResourceAttribute::ConnectStart(connect_start));
 
-    // https://url.spec.whatwg.org/#percent-encoded-bytes
-    let request = HyperRequest::builder()
-        .method(method)
-        .uri(
-            url.clone()
-                .into_url()
-                .as_ref()
-                .replace("|", "%7C")
-                .replace("{", "%7B")
-                .replace("}", "%7D"),
-        )
-        .body(Body::wrap_stream(request_body));
-
     // TODO: We currently don't know when the handhhake before the connection is done
     // so our best bet would be to set `secure_connection_start` here when we are currently
     // fetching on a HTTPS url.