Monitor the ShellClient binding for pipe closure as a signal to shut down the ShellConnection, rath…

mojo/services/network/network_service_delegate.cc

Index: mojo/services/network/network_service_delegate.cc
diff --git a/mojo/services/network/network_service_delegate.cc b/mojo/services/network/network_service_delegate.cc
index 36371679c964a442013b568a1e2e7d9cccc917e2..806261dc5d387fd347f89bd41c0fcdde2c8700d2 100644
--- a/mojo/services/network/network_service_delegate.cc
+++ b/mojo/services/network/network_service_delegate.cc
@@ -78,10 +78,6 @@ bool NetworkServiceDelegate::AcceptConnection(Connection* connection) {
   return true;
 }
 
-bool NetworkServiceDelegate::ShellConnectionLost() {
-  return true;
-}
-
 void NetworkServiceDelegate::Create(Connection* connection,
                                     InterfaceRequest<NetworkService> request) {
   new NetworkServiceImpl(ref_factory_.CreateRef(), std::move(request));