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

chrome/browser/signin/signin_promo.cc

 // Copyright 2013 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.
 
 #include "chrome/browser/signin/signin_promo.h"
 
 #include "base/prefs/pref_service.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_util.h"
 #include "base/strings/stringprintf.h"
@@ skipping 177 matching lines @@
     base::StringAppendF(&url, "&%s=1", kSignInPromoQueryKeyAutoClose);
   if (is_constrained)
     base::StringAppendF(&url, "&%s=1", kSignInPromoQueryKeyConstrained);
   return GURL(url);
 }
 
 GURL GetReauthURL(Profile* profile, const std::string& account_id) {
   AccountTrackerService::AccountInfo info =
       AccountTrackerServiceFactory::GetForProfile(profile)->
           GetAccountInfo(account_id);
+  return GetReauthURL(std::string::npos, info.email);
+}
 
+GURL GetReauthURL(size_t profile_index, 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);
+
+  if (profile_index != std::string::npos)
+    url = net::AppendQueryParameter(url, kSignInPromoQueryKeyProfileIndex,
+                                    base::SizeTToString(profile_index));
+
+  url = net::AppendQueryParameter(url, "email", email);
   url = net::AppendQueryParameter(url, "validateEmail", "1");
   return net::AppendQueryParameter(url, "readOnlyEmail", "1");
 }
 
 GURL GetNextPageURLForPromoURL(const GURL& url) {
   std::string value;
   if (net::GetValueForKeyInQuery(url, kSignInPromoQueryKeyContinue, &value)) {
     GURL continue_url = GURL(value);
     if (continue_url.is_valid())
       return continue_url;
   }
 
   return GURL();
 }
 
+size_t GetProfileIndexForPromoURL(const GURL& url) {
+  size_t index = std::string::npos;
+  std::string value;
+  if (net::GetValueForKeyInQuery(url, kSignInPromoQueryKeyProfileIndex,
+                                 &value) &&
+      base::StringToSizeT(value, &index)) {
+    return index;
+  }
+
+  return std::string::npos;
+}
+
 GURL GetSigninPartitionURL() {
   return GURL("chrome-guest://chrome-signin/?");
 }
 
 signin_metrics::Source GetSourceForPromoURL(const GURL& url) {
   std::string value;
   if (net::GetValueForKeyInQuery(url, kSignInPromoQueryKeySource, &value)) {
     int source = 0;
     if (base::StringToInt(value, &source) &&
         source >= signin_metrics::SOURCE_START_PAGE &&
@@ skipping 31 matching lines @@
 
 void RegisterProfilePrefs(
     user_prefs::PrefRegistrySyncable* registry) {
   registry->RegisterIntegerPref(prefs::kSignInPromoStartupCount, 0);
   registry->RegisterBooleanPref(prefs::kSignInPromoUserSkipped, false);
   registry->RegisterBooleanPref(prefs::kSignInPromoShowOnFirstRunAllowed, true);
   registry->RegisterBooleanPref(prefs::kSignInPromoShowNTPBubble, false);
 }
 
 }  // namespace signin