1 files changed, 10 insertions, 14 deletions
diff --git a/components/script/dom/eventsource.rs b/components/script/dom/eventsource.rs
index 02283a3c190..92eb2c2f414 100644
--- a/components/script/dom/eventsource.rs
+++ b/components/script/dom/eventsource.rs
@@ -18,7 +18,7 @@ use crate::dom::eventtarget::EventTarget;
 use crate::dom::globalscope::GlobalScope;
 use crate::dom::messageevent::MessageEvent;
 use crate::dom::performanceresourcetiming::InitiatorType;
-use crate::fetch::FetchCanceller;
+use crate::fetch::{create_a_potential_CORS_request, FetchCanceller};
 use crate::network_listener::{self, NetworkListener, PreInvoke, ResourceTimingListener};
 use crate::task_source::{TaskSource, TaskSourceName};
 use crate::timers::OneshotTimerCallback;
@@ -31,8 +31,7 @@ use ipc_channel::router::ROUTER;
 use js::conversions::ToJSValConvertible;
 use js::jsval::UndefinedValue;
 use mime::{self, Mime};
-use net_traits::request::{CacheMode, CorsSettings, CredentialsMode};
-use net_traits::request::{RequestBuilder, RequestMode};
+use net_traits::request::{CacheMode, CorsSettings, Destination, RequestBuilder};
 use net_traits::{CoreResourceMsg, FetchChannels, FetchMetadata};
 use net_traits::{FetchResponseListener, FetchResponseMsg, NetworkError};
 use net_traits::{ResourceFetchTiming, ResourceTimingType};
@@ -516,17 +515,14 @@ impl EventSource {
         };
         // Step 8
         // TODO: Step 9 set request's client settings
-        let mut request = RequestBuilder::new(url_record)
-            .origin(global.origin().immutable().clone())
-            .pipeline_id(Some(global.pipeline_id()))
-            // https://html.spec.whatwg.org/multipage/#create-a-potential-cors-request
-            .use_url_credentials(true)
-            .mode(RequestMode::CorsMode)
-            .credentials_mode(if cors_attribute_state == CorsSettings::Anonymous {
-                CredentialsMode::CredentialsSameOrigin
-            } else {
-                CredentialsMode::Include
-            });
+        let mut request = create_a_potential_CORS_request(
+            url_record,
+            Destination::None,
+            Some(cors_attribute_state),
+            Some(true),
+        )
+        .origin(global.origin().immutable().clone())
+        .pipeline_id(Some(global.pipeline_id()));
 
         // Step 10
         // TODO(eijebong): Replace once typed headers allow it