| Index: Source/modules/serviceworkers/ServiceWorkerRegistration.cpp | 
| diff --git a/Source/modules/serviceworkers/ServiceWorkerRegistration.cpp b/Source/modules/serviceworkers/ServiceWorkerRegistration.cpp | 
| index a23cab98b7b955de535a6fad48827c00f4df716d..999df873b2cd8487d0d6f81d3a3195d22beb8d7d 100644 | 
| --- a/Source/modules/serviceworkers/ServiceWorkerRegistration.cpp | 
| +++ b/Source/modules/serviceworkers/ServiceWorkerRegistration.cpp | 
| @@ -90,7 +90,8 @@ ServiceWorkerRegistration* ServiceWorkerRegistration::take(ScriptPromiseResolver | 
|  | 
| void ServiceWorkerRegistration::dispose(WebType* registration) | 
| { | 
| -    delete registration; | 
| +    if (registration && !registration->proxy()) | 
| +        delete registration; | 
| } | 
|  | 
| String ServiceWorkerRegistration::scope() const | 
|  |