Fix GCMS::ListAccounts returning stale data on iOS.

components/signin/core/browser/gaia_cookie_manager_service.cc

 // Copyright 2014 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 "components/signin/core/browser/gaia_cookie_manager_service.h"
 
 #include <stddef.h>
 
 #include <queue>
 
@@ skipping 541 matching lines @@
   const std::string account_id = requests_.front().account_id();
   HandleNextRequest();
   SignalComplete(account_id, error);
 }
 
 void GaiaCookieManagerService::OnMergeSessionSuccess(const std::string& data) {
   VLOG(1) << "MergeSession successful account="
           << requests_.front().account_id();
   DCHECK(requests_.front().request_type() ==
          GaiaCookieRequestType::ADD_ACCOUNT);
+
+  list_accounts_stale_ = true;
+
   const std::string account_id = requests_.front().account_id();
   HandleNextRequest();
   SignalComplete(account_id, GoogleServiceAuthError::AuthErrorNone());
 
   fetcher_backoff_.InformOfRequest(true);
   uber_token_ = std::string();
 }
 
 void GaiaCookieManagerService::OnMergeSessionFailure(
     const GoogleServiceAuthError& error) {
@@ skipping 83 matching lines @@
   FOR_EACH_OBSERVER(Observer, observer_list_,
       OnGaiaAccountsInCookieUpdated(
             listed_accounts_, signed_out_accounts_, error));
   HandleNextRequest();
 }
 
 void GaiaCookieManagerService::OnLogOutSuccess() {
   DCHECK(requests_.front().request_type() == GaiaCookieRequestType::LOG_OUT);
   VLOG(1) << "GaiaCookieManagerService::OnLogOutSuccess";
 
+  list_accounts_stale_ = true;
+
   fetcher_backoff_.InformOfRequest(true);
   HandleNextRequest();
 }
 
 void GaiaCookieManagerService::OnLogOutFailure(
     const GoogleServiceAuthError& error) {
   DCHECK(requests_.front().request_type() == GaiaCookieRequestType::LOG_OUT);
   VLOG(1) << "GaiaCookieManagerService::OnLogOutFailure";
 
   if (++fetcher_retries_ < kMaxFetcherRetries) {
@@ skipping 86 matching lines @@
         break;
       case GaiaCookieRequestType::LIST_ACCOUNTS:
         uber_token_fetcher_.reset();
         signin_client_->DelayNetworkCall(
             base::Bind(&GaiaCookieManagerService::StartFetchingListAccounts,
                        base::Unretained(this)));
         break;
     }
   }
 }