arc: Notification for guiding the user to filesystem migration.

chrome/browser/chromeos/arc/arc_migration_guide_notification.h

Index: chrome/browser/chromeos/arc/arc_migration_guide_notification.h
diff --git a/chrome/browser/chromeos/arc/arc_migration_guide_notification.h b/chrome/browser/chromeos/arc/arc_migration_guide_notification.h
new file mode 100644
index 0000000000000000000000000000000000000000..cf26fca581d38ddb714b6948c3db226749dfdcb5
--- /dev/null
+++ b/chrome/browser/chromeos/arc/arc_migration_guide_notification.h
@@ -0,0 +1,19 @@
+// 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_ARC_ARC_MIGRATION_GUIDE_NOTIFICATION_H_
+#define CHROME_BROWSER_CHROMEOS_ARC_ARC_MIGRATION_GUIDE_NOTIFICATION_H_
+
+class Profile;
+
+namespace arc {
+
+// Shows a notification for guiding the user for file system migration.
+// This is used when an ARC app is launched while ARC is temporaliry disabled
+// due to the file system incompatibility.
+void ShowArcMigrationGuideNotification(Profile* profile);
+
+}  // namespace arc
+
+#endif  // CHROME_BROWSER_CHROMEOS_ARC_ARC_MIGRATION_GUIDE_NOTIFICATION_H_