Mandoline: Introduce ApplicationConnection::CloseConnection

mojo/application/public/cpp/application_impl.h

Index: mojo/application/public/cpp/application_impl.h
diff --git a/mojo/application/public/cpp/application_impl.h b/mojo/application/public/cpp/application_impl.h
index 7036d33dbc6b72beff66800258d101ca20a093db..8c214ebbd812719d438b47f2137e1486ce604686 100644
--- a/mojo/application/public/cpp/application_impl.h
+++ b/mojo/application/public/cpp/application_impl.h
@@ -83,6 +83,9 @@ class ApplicationImpl : public Application,
   // ApplicationImpl is destroyed, whichever occurs first.
   ApplicationConnection* ConnectToApplication(mojo::URLRequestPtr request);
 
+  // Closes the |connection|.
+  void CloseConnection(ApplicationConnection* connection);
+
   // Connect to application identified by |request->url| and connect to the
   // service implementation of the interface identified by |Interface|.
   template <typename Interface>