ServiceWorker: Bypass resolving a promise when ExecutionContext is gone

Source/modules/serviceworkers/ServiceWorkerClients.cpp

Index: Source/modules/serviceworkers/ServiceWorkerClients.cpp
diff --git a/Source/modules/serviceworkers/ServiceWorkerClients.cpp b/Source/modules/serviceworkers/ServiceWorkerClients.cpp
index acea43892da03cd0dda7e316db60362059a2161a..b6545912c8d1061b22adcf564736a0b6912e6731 100644
--- a/Source/modules/serviceworkers/ServiceWorkerClients.cpp
+++ b/Source/modules/serviceworkers/ServiceWorkerClients.cpp
@@ -30,6 +30,10 @@ namespace {
             }
             return clients;
         }
+        static void dispose(WebType* webClientsRaw)
+        {
+            delete webClientsRaw;
+        }
 
     private:
         WTF_MAKE_NONCOPYABLE(ClientArray);