Eliminate Connector::Connect(), Connection, etc.

services/service_manager/public/cpp/lib/identity.cc

Index: services/service_manager/public/cpp/lib/identity.cc
diff --git a/services/service_manager/public/cpp/lib/identity.cc b/services/service_manager/public/cpp/lib/identity.cc
index 4fa2ff2abbb7a76151071a127f05241f00d419e5..409bee11b6cdfe8dc9837e9cfc4915d71be292c9 100644
--- a/services/service_manager/public/cpp/lib/identity.cc
+++ b/services/service_manager/public/cpp/lib/identity.cc
@@ -5,10 +5,11 @@
 #include "services/service_manager/public/cpp/identity.h"
 
 #include "base/guid.h"
+#include "services/service_manager/public/interfaces/connector.mojom.h"
 
 namespace service_manager {
 
-Identity::Identity() {}
+Identity::Identity() : Identity("", mojom::kInheritUserID, "") {}
 
 Identity::Identity(const std::string& name, const std::string& user_id)
     : Identity(name, user_id, "") {}