Remove shell::Connection* parameter to InterfaceFactory<T>::Create()

mash/login/login.cc

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "mash/login/login.h"
 
 #include <map>
 #include <memory>
 
 #include "ash/public/interfaces/container.mojom.h"
@@ skipping 148 matching lines @@
 
     connector_->ConnectToInterface("mojo:ui", &user_access_manager_);
     user_access_manager_->SetActiveUser(identity.user_id());
   }
   bool OnConnect(shell::Connection* connection) override {
     connection->AddInterface<mojom::Login>(this);
     return true;
   }
 
   // shell::InterfaceFactory<mojom::Login>:
-  void Create(shell::Connection* connection,
+  void Create(const shell::Identity& remote_identity,
               mojom::LoginRequest request) override {
     bindings_.AddBinding(this, std::move(request));
   }
 
   // mojom::Login:
   void ShowLoginUI() override { UI::Show(connector_, identity_, this); }
   void SwitchUser() override { UI::Show(connector_, identity_, this); }
 
   void StartWindowManager();
 
@@ skipping 20 matching lines @@
 }
 
 }  // namespace
 
 shell::Service* CreateLogin() {
   return new Login;
 }
 
 }  // namespace login
 }  // namespace main