ScriptPromise should understand the ScriptState from which the ScriptPromise is generated

Source/modules/serviceworkers/Cache.idl

Index: Source/modules/serviceworkers/Cache.idl
diff --git a/Source/modules/serviceworkers/Cache.idl b/Source/modules/serviceworkers/Cache.idl
index cc61c4565b629ba70786b724d183c734ad4c3807..567c5e985b2d9d37733254b3bde513e9b1027086 100644
--- a/Source/modules/serviceworkers/Cache.idl
+++ b/Source/modules/serviceworkers/Cache.idl
@@ -7,6 +7,6 @@
     Exposed=ServiceWorker,
     RuntimeEnabled=ServiceWorker
 ] interface Cache {
-    [CallWith=ExecutionContext] Promise match(DOMString url);
-    [CallWith=ExecutionContext] Promise ready();
+    [CallWith=ScriptState] Promise match(DOMString url);
+    [CallWith=ScriptState] Promise ready();
 };