Chromium Code Reviews| Index: Source/modules/serviceworkers/Body.idl | 
| diff --git a/Source/modules/serviceworkers/Body.idl b/Source/modules/serviceworkers/Body.idl | 
| index bb065791d04e55f218b92ad03f7326e013e3e5db..32b58835b7745cb7c9f74fcde732efc47918b9b7 100644 | 
| --- a/Source/modules/serviceworkers/Body.idl | 
| +++ b/Source/modules/serviceworkers/Body.idl | 
| @@ -9,6 +9,7 @@ | 
| NoInterfaceObject, | 
| ActiveDOMObject, | 
| GarbageCollected, | 
| + TypeChecking=Interface, | 
| ] interface Body { | 
| readonly attribute boolean bodyUsed; | 
| [CallWith=ScriptState] Promise arrayBuffer(); |