ServiceWorker: Bypass resolving a promise when ExecutionContext is gone

Source/modules/serviceworkers/ServiceWorkerError.cpp

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 45 matching lines @@
         return DOMException::create(AbortError, "The Service Worker activation failed.");
     case WebServiceWorkerError::ErrorTypeNotFound:
         return DOMException::create(NotFoundError, "The specified Service Worker resource was not found.");
     case WebServiceWorkerError::ErrorTypeUnknown:
         return DOMException::create(UnknownError, "An unknown error occurred within Service Worker.");
     }
     ASSERT_NOT_REACHED();
     return DOMException::create(UnknownError);
 }
 
+// static
+void ServiceWorkerError::dispose(WebType* webErrorRaw)
+{
+    delete webErrorRaw;
+}
+
 } // namespace WebCore