Clean up the cast calls

1 files changed, 4 insertions, 6 deletions

diff --git a/components/script/dom/xmlhttprequest.rs b/components/script/dom/xmlhttprequest.rs
index e84a4781bab..067ba1019ed 100644
--- a/components/script/dom/xmlhttprequest.rs
+++ b/components/script/dom/xmlhttprequest.rs
@@ -737,8 +737,7 @@ impl XMLHttpRequest {
                                "readystatechange".to_owned(),
                                EventBubbles::DoesNotBubble,
                                EventCancelable::Cancelable);
-        let target = self.upcast::<EventTarget>();
-        event.r().fire(target);
+        event.fire(self.upcast());
     }
 
     fn process_headers_available(&self, cors_request: Option<CORSRequest>,
@@ -921,12 +920,11 @@ impl XMLHttpRequest {
                                                total.is_some(), loaded,
                                                total.unwrap_or(0));
         let target = if upload {
-            self.upload.upcast::<EventTarget>()
+            self.upload.upcast()
         } else {
-            self.upcast::<EventTarget>()
+            self.upcast()
         };
-        let event = progressevent.upcast::<Event>();
-        event.fire(target);
+        progressevent.upcast::<Event>().fire(target);
     }
 
     fn dispatch_upload_progress_event(&self, type_: DOMString, partial_load: Option<u64>) {