Making Mandoline apps notice when all the objects they vended are gone so that it can terminate.

mojo/services/network/tcp_connected_socket_impl.cc

Index: mojo/services/network/tcp_connected_socket_impl.cc
diff --git a/mojo/services/network/tcp_connected_socket_impl.cc b/mojo/services/network/tcp_connected_socket_impl.cc
index bc8c98b568aa2e4f8d31e2b068a655c6262fa256..8241a189487d7534a57dc20a5036f378d957d445 100644
--- a/mojo/services/network/tcp_connected_socket_impl.cc
+++ b/mojo/services/network/tcp_connected_socket_impl.cc
@@ -14,11 +14,13 @@ TCPConnectedSocketImpl::TCPConnectedSocketImpl(
     scoped_ptr<net::TCPSocket> socket,
     ScopedDataPipeConsumerHandle send_stream,
     ScopedDataPipeProducerHandle receive_stream,
-    InterfaceRequest<TCPConnectedSocket> request)
+    InterfaceRequest<TCPConnectedSocket> request,
+    scoped_ptr<mojo::AppRefCount> app_refcount)
     : socket_(socket.Pass()),
       send_stream_(send_stream.Pass()),
       receive_stream_(receive_stream.Pass()),
       binding_(this, request.Pass()),
+      app_refcount_(app_refcount.Pass()),
       weak_ptr_factory_(this) {
   // Queue up async communication.
   binding_.set_error_handler(this);