GURL GetPromoURL(Source source, bool auto_close);
GURL GetPromoURL(Source source, bool auto_close, bool is_constrained);
+// Returns a sign in promo URL specifically for reauthenticating |account_id|.
+GURL GetReauthURL(Profile* profile, const std::string& account_id);
+
// Gets the next page URL from the query portion of the sign in promo URL.
GURL GetNextPageURLForPromoURL(const GURL& url);