Perform online reauth when password is changed for a locked profile.

chrome/browser/signin/signin_promo.h

Index: chrome/browser/signin/signin_promo.h
diff --git a/chrome/browser/signin/signin_promo.h b/chrome/browser/signin/signin_promo.h
index 055af1c05941aa2b612df70faaf2ac8abde8ff94..ad84b1642152a2b83a06c1e58e3fea2ce7fd9206 100644
--- a/chrome/browser/signin/signin_promo.h
+++ b/chrome/browser/signin/signin_promo.h
@@ -58,6 +58,9 @@ GURL GetPromoURL(signin_metrics::Source source,
 // Returns a sign in promo URL specifically for reauthenticating |account_id|.
 GURL GetReauthURL(Profile* profile, const std::string& account_id);
 
+// Returns a sign in promo URL specifically for reauthenticating |email|.
+GURL GetReauthURLWithEmail(const std::string& email);
+
 // Gets the next page URL from the query portion of the sign in promo URL.
 GURL GetNextPageURLForPromoURL(const GURL& url);