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

chrome/browser/ui/user_manager.h

Index: chrome/browser/ui/user_manager.h
diff --git a/chrome/browser/ui/user_manager.h b/chrome/browser/ui/user_manager.h
index e6d2d349beb89422174052ab254aecdb517016af..24c18b45b87910e7b82d962c9c57bac12609e167 100644
--- a/chrome/browser/ui/user_manager.h
+++ b/chrome/browser/ui/user_manager.h
@@ -55,6 +55,17 @@ class UserManager {
   // 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;