Created optional multiprofiles introduction dialog.

chrome/browser/chromeos/profiles/multiprofiles_intro_dialog.h

+// Copyright 2014 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_PROFILES_MULTIPROFILES_INTRO_DIALOG_H_
+#define CHROME_BROWSER_CHROMEOS_PROFILES_MULTIPROFILES_INTRO_DIALOG_H_
+
+#include "base/callback.h"
+
+namespace chromeos {
+
+// Creates and shows dialog with introduction.
+void ShowMultiprofilesIntroDialog(const base::Callback<void(bool)> on_accept);
+
+}  // namespace chromeos
+
+#endif  // CHROME_BROWSER_CHROMEOS_PROFILES_MULTIPROFILES_INTRO_DIALOG_H_