If force-sign-in policy is enabled, popup warning dialog before window closing if auth token becom…

chrome/browser/ui/views/profiles/force_signout_dialog.h

Index: chrome/browser/ui/views/profiles/force_signout_dialog.h
diff --git a/chrome/browser/ui/views/profiles/force_signout_dialog.h b/chrome/browser/ui/views/profiles/force_signout_dialog.h
new file mode 100644
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+++ b/chrome/browser/ui/views/profiles/force_signout_dialog.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_UI_VIEWS_PROFILES_FORCE_SIGNOUT_DIALOG_H_
+#define CHROME_BROWSER_UI_VIEWS_PROFILES_FORCE_SIGNOUT_DIALOG_H_
+
+#include <string>
+
+#include "base/callback.h"
+#include "base/macros.h"
+#include "chrome/browser/ui/views/browser_modal_dialog.h"
+
+class ForceSignoutDialogView;
+class Profile;
+class SigninManager;
+
+// A modal dialog that displays a warning message of the auth failure
+// before signing the user out and closing browser windows.
+class ForceSignoutDialog : public BrowserModalDialog {
+ public:
+  // Show the warning dialog on the browser window that is belonged to the
+  // |profile|. Sign out the profile directly if there is no opened browser
+  // window or tabs.
+  // Sign out the profile if user confirmed the window or sign out the profile
+  // with a delay if signout_timer is set.
+  static void ShowDialog(Profile* profile,
+                         SigninManager* signin_manager,
+                         const base::Closure& signout_timer);
+
+  // override BrowserModalDialog
+  void ActivateModalDialog() override;
+  bool IsShowing() override;
+
+  // Return true if SignoutTimer is set.
+  bool IsDelayAllowed();
+  void OnAccept();
+  void OnCancel();
+  std::string GetEmail();
+  void OnViewClosing();
+
+  ForceSignoutDialog(SigninManager* signin_manager,
+                     const base::Closure& signout_timer);
+  ~ForceSignoutDialog();
+
+  static ForceSignoutDialogView* GetDialogViewForTesting();
+
+ private:
+  SigninManager* signin_manager_;
+  const base::Closure signout_timer_;
+
+  static ForceSignoutDialogView* dialog_view_;
+
+  DISALLOW_COPY_AND_ASSIGN(ForceSignoutDialog);
+};
+
+#endif  // CHROME_BROWSER_UI_VIEWS_PROFILES_FORCE_SIGNOUT_DIALOG_H_