Create OOBE screen for Waiting for Container ready

chrome/browser/chromeos/login/screens/wait_for_container_ready_screen_view.h

Index: chrome/browser/chromeos/login/screens/wait_for_container_ready_screen_view.h
diff --git a/chrome/browser/chromeos/login/screens/wait_for_container_ready_screen_view.h b/chrome/browser/chromeos/login/screens/wait_for_container_ready_screen_view.h
new file mode 100644
index 0000000000000000000000000000000000000000..a9f67cdc1adbfa390193e9a002d10e96f0344e0e
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+++ b/chrome/browser/chromeos/login/screens/wait_for_container_ready_screen_view.h
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+// Copyright 2017 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 CHROME_BROWSER_CHROMEOS_LOGIN_SCREENS_WAIT_FOR_CONTAINER_READY_SCREEN_VIEW_H_
+#define CHROME_BROWSER_CHROMEOS_LOGIN_SCREENS_WAIT_FOR_CONTAINER_READY_SCREEN_VIEW_H_
+
+#include "chrome/browser/chromeos/login/oobe_screen.h"
+
+namespace chromeos {
+
+class WaitForContainerReadyScreen;
+
+// Interface for dependency injection between WaitForContainerReadyScreen
+// and its WebUI representation.
+class WaitForContainerReadyScreenView {
+ public:
+  constexpr static OobeScreen kScreenId =
+      OobeScreen::SCREEN_WAIT_FOR_CONTAINER_READY;
+
+  virtual ~WaitForContainerReadyScreenView() {}
+
+  virtual void Bind(WaitForContainerReadyScreen* screen) = 0;
+  virtual void Unbind() = 0;
+  virtual void Show() = 0;
+  virtual void Hide() = 0;
+
+ protected:
+  WaitForContainerReadyScreenView() = default;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(WaitForContainerReadyScreenView);
+};
+
+}  // namespace chromeos
+
+#endif  // CHROME_BROWSER_CHROMEOS_LOGIN_SCREENS_WAIT_FOR_CONTAINER_READY_SCREEN_VIEW_H_