Add a user id parameter to connections

mojo/shell/connect_util.h

Index: mojo/shell/connect_util.h
diff --git a/mojo/shell/connect_util.h b/mojo/shell/connect_util.h
index 036ecde919eec16295e6c491f29c343cc7a95411..baa4d2ee832c3fa48836e61ff45d69c317c9e803 100644
--- a/mojo/shell/connect_util.h
+++ b/mojo/shell/connect_util.h
@@ -10,6 +10,7 @@
 #include "mojo/public/cpp/bindings/interface_ptr.h"
 #include "mojo/public/cpp/system/handle.h"
 #include "mojo/shell/identity.h"
+#include "mojo/shell/public/interfaces/shell.mojom.h"
 
 class GURL;
 
@@ -44,7 +45,8 @@ inline void ConnectToInterface(ApplicationManager* application_manager,
                                InterfacePtr<Interface>* ptr) {
   ScopedMessagePipeHandle service_handle = ConnectToInterfaceByName(
       application_manager, source,
-      Identity(application_url, std::string(), GetPermissiveCapabilityFilter()),
+      Identity(application_url, std::string(), mojom::Shell::kUserInherit,
+               GetPermissiveCapabilityFilter()),
       Interface::Name_);
   ptr->Bind(InterfacePtrInfo<Interface>(std::move(service_handle), 0u));
 }