Address PR comments

- Remove fn `url_is_local`
- Remove fn `set_local_urls_only`
- Fix `test_fetch_with_local_urls_only`

components/net/fetch/methods.rs

@@ -110,8 +110,11 @@ fn main_fetch(request: Rc<Request>, cors_flag: bool, recursive_flag: bool) -> Re
     let mut response = None;
 
     // Step 2
-    if request.local_urls_only && !url_is_local(&request.current_url()) {
+    if request.local_urls_only {
-        response = Some(Response::network_error());
+        match &*request.current_url().scheme {
+            "about" | "blob" | "data" | "filesystem" => (), // Ok, the URL is local.
+            _ => response = Some(Response::network_error())
+        }
     }
 
     // Step 3
@@ -1044,13 +1047,6 @@ fn includes_credentials(url: &Url) -> bool {
     false
 }
 
-fn url_is_local(url: &Url) -> bool {
-    match &*url.scheme {
-        "about" | "blob" | "data" | "filesystem" => true,
-        _ => false
-    }
-}
-
 fn response_needs_revalidation(_response: &Response) -> bool {
     // TODO this function
     false

components/net_traits/request.rs

@@ -257,8 +257,4 @@ impl Request {
             _ => false
         }
     }
-
-    pub fn set_local_urls_only(&mut self, local_urls_only: bool) {
-        self.local_urls_only = local_urls_only;
-    }
 }

tests/unit/net/fetch.rs

@@ -284,17 +284,20 @@ fn test_fetch_with_local_urls_only() {
         request.referer = Referer::NoReferer;
 
         // Set the flag.
-        request.set_local_urls_only(true);
+        request.local_urls_only = true;
 
         let wrapped_request = Rc::new(request);
         fetch(wrapped_request)
     };
 
-    let local_url = Url::parse("about:config").unwrap();
+    let local_url = Url::parse("about:blank").unwrap();
-    assert!(do_fetch(local_url).is_network_error());
+    let local_response = do_fetch(local_url);
-    assert!(!do_fetch(server_url).is_network_error());
+    let server_response = do_fetch(server_url);
 
     let _ = server.close();
+
+    assert!(!local_response.is_network_error());
+    assert!(server_response.is_network_error());
 }
 
 fn test_fetch_redirect_count(message: &'static [u8], redirect_cap: u32) -> Response {