LibWeb: Make factory method of DOM::AbortController fallible

Author: https://github.com/kennethmyhra
Commit: 5f552ddc5c
Pull-request: https://github.com/SerenityOS/serenity/pull/17491
Reviewed-by: https://github.com/linusg ✅

Userland/Libraries/LibWeb/DOM/AbortController.h

@@ -16,7 +16,7 @@ class AbortController final : public Bindings::PlatformObject {
     WEB_PLATFORM_OBJECT(AbortController, Bindings::PlatformObject);
 
 public:
-    static JS::NonnullGCPtr<AbortController> construct_impl(JS::Realm&);
+    static WebIDL::ExceptionOr<JS::NonnullGCPtr<AbortController>> construct_impl(JS::Realm&);
 
     virtual ~AbortController() override;