After signin token check failed, show force reauth dialog and start window closing countdown.

chrome/browser/ui/browser_dialogs.h

 // Copyright (c) 2012 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_BROWSER_DIALOGS_H_
 #define CHROME_BROWSER_UI_BROWSER_DIALOGS_H_
 
 #include <string>
 #include <utility>
 #include <vector>
 
 #include "base/callback.h"
 #include "base/optional.h"
 #include "base/strings/string16.h"
 #include "build/build_config.h"
 #include "chrome/browser/ui/bookmarks/bookmark_editor.h"
 #include "third_party/skia/include/core/SkColor.h"
 #include "ui/gfx/native_widget_types.h"
 
 #if defined(OS_CHROMEOS)
 #include "chrome/browser/chromeos/arc/intent_helper/arc_navigation_throttle.h"
 #endif  // OS_CHROMEOS
 
 class Browser;
 class LoginHandler;
 class Profile;
+class SigninManager;
 class WebShareTarget;
 struct WebApplicationInfo;
 
+namespace base {
+class TimeDelta;
+}
+
 namespace content {
 class BrowserContext;
 class ColorChooser;
 class WebContents;
 }
 
 namespace extensions {
 class Extension;
 }
 
@@ skipping 12 matching lines @@
 }
 
 namespace task_manager {
 class TaskManagerTableModel;
 }
 
 namespace ui {
 class WebDialogDelegate;
 }
 
+namespace views {
+class Widget;
+}
+
 namespace chrome {
 
 // Shows or hides the Task Manager. |browser| can be NULL when called from Ash.
 // Returns a pointer to the underlying TableModel, which can be ignored, or used
 // for testing.
 task_manager::TaskManagerTableModel* ShowTaskManager(Browser* browser);
 void HideTaskManager();
 
 #if !defined(OS_MACOSX)
 // Creates and shows an HTML dialog with the given delegate and context.
@@ skipping 80 matching lines @@
 // Shows the dialog to choose a share target app. |targets| is a list of app
 // title and manifest URL pairs that will be shown in a list. If the user picks
 // a target, this calls |callback| with the manifest URL of the chosen target,
 // or supplies null if the user cancelled the share.
 void ShowWebShareTargetPickerDialog(gfx::NativeWindow parent_window,
                                     std::vector<WebShareTarget> targets,
                                     WebShareTargetPickerCallback callback);
 
 #endif  // TOOLKIT_VIEWS
 
+#if defined(TOOLKIT_VIEWS) && !defined(OS_MACOSX)
+
+// Show the ForcedReauthenticationDialog for |profile|. If there're no opened
+// browser windows for |profile|, |signin_manager| will be called to signed out
+// immediately. Otherwise, dialog will be closed with all browser windows are
+// assoicated to |profile| after |countdown_duration| if there is no reauth.
+views::Widget* ShowForcedReauthenticationDialog(

[sky, 2017/06/22 14:52:02]

Remember, no platform specific ui code here.
Also, please merge with with the ifdef two lines above.

[zmin, 2017/06/23 00:58:40]

And I have moved the new class/function Declarations to its own file.

+    Profile* profile,
+    SigninManager* signin_manager,
+    base::TimeDelta countdown_duration);
+
+#endif  // TOOLKIT_VIEWS && !OS_MACOSX
+
 // Values used in the Dialog.Creation UMA metric. Each value represents a
 // different type of dialog box.
 // These values are written to logs. New enum values can be added, but existing
 // enums must never be renumbered or deleted and reused.
 enum class DialogIdentifier {
   UNKNOWN = 0,
   TRANSLATE = 1,
   BOOKMARK = 2,
   BOOKMARK_EDITOR = 3,
   DESKTOP_MEDIA_PICKER = 4,
@@ skipping 106 matching lines @@
 using BubbleShowPtr =
     void (*)(content::WebContents*,
              const std::vector<arc::ArcNavigationThrottle::AppInfo>&,
              const IntentPickerResponse&);
 
 BubbleShowPtr ShowIntentPickerBubble();
 
 #endif  // OS_CHROMEOS
 
 #endif  // CHROME_BROWSER_UI_BROWSER_DIALOGS_H_