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

chrome/browser/signin/signin_promo.cc

Index: chrome/browser/signin/signin_promo.cc
diff --git a/chrome/browser/signin/signin_promo.cc b/chrome/browser/signin/signin_promo.cc
index 0f0c1e0ddaec0b6c4dc0b8b0c76adcfae9c82ca2..39366e2b1d0f9d14d1d3a042b053d93f8a420cd6 100644
--- a/chrome/browser/signin/signin_promo.cc
+++ b/chrome/browser/signin/signin_promo.cc
@@ -195,14 +195,18 @@ GURL GetReauthURL(Profile* profile, const std::string& account_id) {
   AccountTrackerService::AccountInfo info =
       AccountTrackerServiceFactory::GetForProfile(profile)->
           GetAccountInfo(account_id);
+  return GetReauthURLWithEmail(info.email);
+}
 
+GURL GetReauthURLWithEmail(const std::string& email) {
   signin_metrics::Source source = switches::IsNewAvatarMenu() ?
       signin_metrics::SOURCE_REAUTH : signin_metrics::SOURCE_SETTINGS;
 
   GURL url = signin::GetPromoURL(
       source, true /* auto_close */,
       switches::IsNewAvatarMenu() /* is_constrained */);
-  url = net::AppendQueryParameter(url, "email", info.email);
+
+  url = net::AppendQueryParameter(url, "email", email);
   url = net::AppendQueryParameter(url, "validateEmail", "1");
   return net::AppendQueryParameter(url, "readOnlyEmail", "1");
 }