Fix reconcilor loop when the primary account is in an auth error state.

components/signin/ios/browser/profile_oauth2_token_service_ios_delegate.mm

 // Copyright 2015 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/ios/browser/profile_oauth2_token_service_ios_delegate.h"
 
 #include <Foundation/Foundation.h>
 
 #include <set>
 #include <string>
@@ skipping 292 matching lines @@
   return account_ids;
 }
 
 bool ProfileOAuth2TokenServiceIOSDelegate::RefreshTokenIsAvailable(
     const std::string& account_id) const {
   DCHECK(thread_checker_.CalledOnValidThread());
 
   return accounts_.count(account_id) > 0;
 }
 
+bool ProfileOAuth2TokenServiceIOSDelegate::RefreshTokenHasError(
+    const std::string& account_id) const {
+  DCHECK(thread_checker_.CalledOnValidThread());
+  auto it = accounts_.find(account_id);
+  // TODO(rogerta): should we distinguish between transient and persistent?
+  return it == accounts_.end() ? false : IsError(it->second->GetAuthStatus());
+}
+
 void ProfileOAuth2TokenServiceIOSDelegate::UpdateAuthError(
     const std::string& account_id,
     const GoogleServiceAuthError& error) {
   DCHECK(thread_checker_.CalledOnValidThread());
 
   // Do not report connection errors as these are not actually auth errors.
   // We also want to avoid masking a "real" auth error just because we
   // subsequently get a transient network error.
   if (error.state() == GoogleServiceAuthError::CONNECTION_FAILED ||
       error.state() == GoogleServiceAuthError::SERVICE_UNAVAILABLE) {
@@ skipping 125 matching lines @@
 void ProfileOAuth2TokenServiceIOSDelegate::ExcludeAllSecondaryAccounts() {
   client_->GetPrefs()->SetBoolean(
       prefs::kTokenServiceExcludeAllSecondaryAccounts, true);
 }
 
 void ProfileOAuth2TokenServiceIOSDelegate::ClearExcludedSecondaryAccounts() {
   client_->GetPrefs()->ClearPref(
       prefs::kTokenServiceExcludeAllSecondaryAccounts);
   client_->GetPrefs()->ClearPref(prefs::kTokenServiceExcludedSecondaryAccounts);
 }