| Index: Source/modules/serviceworkers/ServiceWorkerClient.idl
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| diff --git a/Source/modules/serviceworkers/ServiceWorkerClient.idl b/Source/modules/serviceworkers/ServiceWorkerClient.idl
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| index a0439a7c99daa838a821d5e748ec9aade5b48896..db7d411c4a8fed9979fa5dff1e2d5ab631d9c9eb 100644
 | 
| --- a/Source/modules/serviceworkers/ServiceWorkerClient.idl
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| +++ b/Source/modules/serviceworkers/ServiceWorkerClient.idl
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| @@ -7,6 +7,7 @@
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|      Exposed=ServiceWorker,
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|      RuntimeEnabled=ServiceWorker,
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|      GarbageCollected,
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| +    TypeChecking=Interface,
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|  ] interface ServiceWorkerClient {
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|      readonly attribute unsigned long id;
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|  
 | 
| 
 |