Revert of Revert of ServiceWorker: throw when close() or terminate() called

Source/modules/serviceworkers/ServiceWorker.cpp

Index: Source/modules/serviceworkers/ServiceWorker.cpp
diff --git a/Source/modules/serviceworkers/ServiceWorker.cpp b/Source/modules/serviceworkers/ServiceWorker.cpp
index 2a22ed229f65ba6f157b37b4a71b7db22ffd1a18..53f8e0c696552164d599feebca024a81bd9632db 100644
--- a/Source/modules/serviceworkers/ServiceWorker.cpp
+++ b/Source/modules/serviceworkers/ServiceWorker.cpp
@@ -85,6 +85,11 @@
     m_outerWorker->postMessage(messageString, webChannels.leakPtr());
 }
 
+void ServiceWorker::terminate(ExceptionState& exceptionState)
+{
+    exceptionState.throwDOMException(InvalidAccessError, "Not supported.");
+}
+
 bool ServiceWorker::isReady()
 {
     return m_proxyState == Ready;