Restructure login

mash/login/ui.h

Index: mash/login/ui.h
diff --git a/mash/login/ui.h b/mash/login/ui.h
new file mode 100644
index 0000000000000000000000000000000000000000..4c141c4192b065522d0fb6fe117d02427713910e
--- /dev/null
+++ b/mash/login/ui.h
@@ -0,0 +1,69 @@
+// 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.
+
+#ifndef MASH_LOGIN_UI_H_
+#define MASH_LOGIN_UI_H_
+
+#include <map>
+
+#include "base/macros.h"
+#include "base/memory/scoped_ptr.h"
+#include "components/mus/public/interfaces/user_access_manager.mojom.h"
+#include "ui/views/controls/button/label_button.h"
+#include "ui/views/widget/widget_delegate.h"
+
+namespace mojo {
+class Connection;
+class Connector;
+}
+
+namespace views {
+class AuraInit;
+}
+
+namespace mash {
+namespace login {
+
+class LoginController;
+
+class UI : public views::WidgetDelegateView,
+           public views::ButtonListener {
+ public:
+  static void Show(mojo::Connector* connector,
+                   LoginController* login_controller);
+
+ private:
+  UI(LoginController* login_controller, mojo::Connector* connector);
+  ~UI() override;
+
+  // Overridden from views::WidgetDelegate:
+  views::View* GetContentsView() override;
+  base::string16 GetWindowTitle() const override;
+  void DeleteDelegate() override;
+
+  // Overridden from views::View:
+  void Layout() override;
+
+  // Overridden from views::ButtonListener:
+  void ButtonPressed(views::Button* sender, const ui::Event& event) override;
+
+  void StartWindowManager();
+
+  static bool is_showing_;
+  LoginController* login_controller_;
+  mojo::Connector* connector_;
+  const std::string user_id_1_;
+  const std::string user_id_2_;
+  views::LabelButton* login_button_1_;
+  views::LabelButton* login_button_2_;
+  mus::mojom::UserAccessManagerPtr user_access_manager_;
+  scoped_ptr<mojo::Connection> window_manager_connection_;
+
+  DISALLOW_COPY_AND_ASSIGN(UI);
+};
+
+}  // namespace login
+}  // namespace mash
+
+#endif  // MASH_LOGIN_UI_H_