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

mojo/services/network/http_server_impl.h

Index: mojo/services/network/http_server_impl.h
diff --git a/mojo/services/network/http_server_impl.h b/mojo/services/network/http_server_impl.h
index 01e26cce02210c730f17db7df40e08df423ef9fc..bb43ce1802a76f3fd7d74214e39e64ce6b2d740e 100644
--- a/mojo/services/network/http_server_impl.h
+++ b/mojo/services/network/http_server_impl.h
@@ -10,6 +10,7 @@
 #include "base/macros.h"
 #include "base/memory/linked_ptr.h"
 #include "base/memory/scoped_ptr.h"
+#include "mojo/application/app_lifetime_helper.h"
 #include "mojo/services/network/public/interfaces/http_server.mojom.h"
 #include "mojo/services/network/public/interfaces/net_address.mojom.h"
 #include "net/server/http_server.h"
@@ -29,6 +30,7 @@ class HttpServerImpl : public net::HttpServer::Delegate,
   static void Create(
       NetAddressPtr local_address,
       HttpServerDelegatePtr delegate,
+      scoped_ptr<mojo::AppRefCount> app_refcount,
       const Callback<void(NetworkErrorPtr, NetAddressPtr)>& callback);
 
   net::HttpServer* server() { return server_.get(); }
@@ -38,7 +40,8 @@ class HttpServerImpl : public net::HttpServer::Delegate,
   // |delegate|'s underlying pipe. The object will self-destruct when it is
   // notified that |delegate|'s pipe is closed. Deleting the object directly
   // before that is okay, too.
-  explicit HttpServerImpl(HttpServerDelegatePtr delegate);
+  HttpServerImpl(HttpServerDelegatePtr delegate,
+                 scoped_ptr<mojo::AppRefCount> app_refcount);
   ~HttpServerImpl() override;
 
   int Start(NetAddressPtr local_address);
@@ -57,6 +60,7 @@ class HttpServerImpl : public net::HttpServer::Delegate,
   void OnConnectionError() override;
 
   HttpServerDelegatePtr delegate_;
+  scoped_ptr<mojo::AppRefCount> app_refcount_;
   scoped_ptr<net::HttpServer> server_;
 
   std::map<int, linked_ptr<HttpConnectionImpl>> connections_;