| Index: Source/modules/serviceworkers/FetchEvent.idl
 | 
| diff --git a/Source/modules/serviceworkers/FetchEvent.idl b/Source/modules/serviceworkers/FetchEvent.idl
 | 
| index 88bf9e1ff5bdc6174852017a849c36ab02dc6317..9d5662b56d485104502a7e7704669e67602a0ca2 100644
 | 
| --- a/Source/modules/serviceworkers/FetchEvent.idl
 | 
| +++ b/Source/modules/serviceworkers/FetchEvent.idl
 | 
| @@ -5,7 +5,8 @@
 | 
|  // https://slightlyoff.github.io/ServiceWorker/spec/service_worker/index.html#fetch-event-interface
 | 
|  [
 | 
|      RuntimeEnabled=ServiceWorkerOnFetch,
 | 
| -    Exposed=ServiceWorker
 | 
| +    Exposed=ServiceWorker,
 | 
| +    TypeChecking=Interface,
 | 
|  ] interface FetchEvent : Event {
 | 
|      readonly attribute Request request;
 | 
|      readonly attribute boolean isReload;
 | 
| 
 |