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

mojo/services/network/tcp_bound_socket_impl.h

Index: mojo/services/network/tcp_bound_socket_impl.h
diff --git a/mojo/services/network/tcp_bound_socket_impl.h b/mojo/services/network/tcp_bound_socket_impl.h
index e5e1b6c251a783d4559d5a94eb3eff34bd686756..b6609c58a04b1cb6acb7941d33fdc9f545fe509f 100644
--- a/mojo/services/network/tcp_bound_socket_impl.h
+++ b/mojo/services/network/tcp_bound_socket_impl.h
@@ -6,6 +6,7 @@
 #define MOJO_SERVICES_NETWORK_TCP_BOUND_SOCKET_H_
 
 #include "base/memory/scoped_ptr.h"
+#include "mojo/application/app_lifetime_helper.h"
 #include "mojo/services/network/public/interfaces/tcp_bound_socket.mojom.h"
 #include "net/socket/tcp_socket.h"
 #include "third_party/mojo/src/mojo/public/cpp/bindings/interface_impl.h"
@@ -14,7 +15,7 @@ namespace mojo {
 
 class TCPBoundSocketImpl : public InterfaceImpl<TCPBoundSocket> {
  public:
-  TCPBoundSocketImpl();
+  explicit TCPBoundSocketImpl(scoped_ptr<mojo::AppRefCount> app_refcount);
   ~TCPBoundSocketImpl() override;
 
   // Does the actual binding. Returns a net error code. On net::OK, the bound
@@ -45,6 +46,7 @@ class TCPBoundSocketImpl : public InterfaceImpl<TCPBoundSocket> {
   ScopedDataPipeProducerHandle pending_connect_receive_stream_;
   InterfaceRequest<TCPConnectedSocket> pending_connect_socket_;
   Callback<void(NetworkErrorPtr)> pending_connect_callback_;
+  scoped_ptr<mojo::AppRefCount> app_refcount_;
 };
 
 }  // namespace mojo