Display local signin error without browser and record the path of selected profile in user manager.

chrome/browser/ui/user_manager.h

 // Copyright (c) 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_UI_USER_MANAGER_H_
 #define CHROME_BROWSER_UI_USER_MANAGER_H_
 
 #include "base/callback_forward.h"
 #include "base/macros.h"
 #include "chrome/browser/profiles/profile_window.h"
@@ skipping 37 matching lines @@
   //   reauthenticated.
   // |reason| can be REASON_UNLOCK or REASON_REAUTHENTICATION to indicate
   // whether this is a reauth or unlock scenario.
   static void ShowReauthDialog(content::BrowserContext* browser_context,
                                const std::string& email,
                                signin_metrics::Reason reason);
 
   // Hides the reauth dialog if it is showing.
   static void HideReauthDialog();
 
+  // Shows a dialog where the user login his or her profile by the first time
+  // via user manager.
+  static void ShowSigninDialog(content::BrowserContext* browser_context,
+                               const base::FilePath profile_path);
+
+  // Display local sign in error message withou browser.

[pastarmovj, 2016/09/21 08:44:10]

nit: s/withou/without/

[zmin, 2016/09/21 16:40:04]

Done.

+  static void DisplayErrorMessage();
+
+  // Get the path of profile that is being signed in.
+  static base::FilePath GetSigninProfilePath();
+
   // TODO(noms): Figure out if this size can be computed dynamically or adjusted

[sky, 2016/09/20 23:30:19]

Sorry for random comment, just noticing this now. Constants should be before
functions (see style guide).

[zmin, 2016/09/21 16:40:04]

Done.

   // for smaller screens.
   static const int kWindowWidth = 800;
   static const int kWindowHeight = 600;
 
   // Dimensions of the reauth dialog displaying the old-style signin flow with
   // the username and password challenge on the same form.
   static const int kPasswordCombinedReauthDialogHeight = 440;
   static const int kPasswordCombinedReauthDialogWidth = 360;
 
   // Dimensions of the reauth dialog displaying the password-separated signin
@@ skipping 22 matching lines @@
     content::WebContents* guest_web_contents_;
 
     DISALLOW_COPY_AND_ASSIGN(BaseReauthDialogDelegate);
   };
 
  private:
   DISALLOW_COPY_AND_ASSIGN(UserManager);
 };
 
 #endif  // CHROME_BROWSER_UI_USER_MANAGER_H_