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

chrome/browser/signin/mutable_profile_oauth2_token_service_delegate.h

 // 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.
 
 #ifndef CHROME_BROWSER_SIGNIN_MUTABLE_PROFILE_OAUTH2_TOKEN_SERVICE_DELEGATE_H_
 #define CHROME_BROWSER_SIGNIN_MUTABLE_PROFILE_OAUTH2_TOKEN_SERVICE_DELEGATE_H_
 
 #include "base/memory/scoped_vector.h"
 #include "base/threading/thread_checker.h"
 #include "components/signin/core/browser/account_tracker_service.h"
@@ skipping 18 matching lines @@
       const std::string& account_id,
       net::URLRequestContextGetter* getter,
       OAuth2AccessTokenConsumer* consumer) override;
 
   // Updates the internal cache of the result from the most-recently-completed
   // auth request (used for reporting errors to the user).
   void UpdateAuthError(const std::string& account_id,
                        const GoogleServiceAuthError& error) override;
 
   bool RefreshTokenIsAvailable(const std::string& account_id) const override;
+  bool RefreshTokenHasError(const std::string& account_id) const override;
   std::vector<std::string> GetAccounts() override;
   net::URLRequestContextGetter* GetRequestContext() const override;
 
   void LoadCredentials(const std::string& primary_account_id) override;
   void UpdateCredentials(const std::string& account_id,
                          const std::string& refresh_token) override;
   void RevokeAllCredentials() override;
 
   // Revokes credentials related to |account_id|.
   void RevokeCredentials(const std::string& account_id) override;
@@ skipping 96 matching lines @@
   net::BackoffEntry::Policy backoff_policy_;
   net::BackoffEntry backoff_entry_;
   GoogleServiceAuthError backoff_error_;
 
   SigninClient* client_;
   SigninErrorController* signin_error_controller_;
   AccountTrackerService* account_tracker_service_;
 
   DISALLOW_COPY_AND_ASSIGN(MutableProfileOAuth2TokenServiceDelegate);
 };
-#endif
+
+#endif  // CHROME_BROWSER_SIGNIN_MUTABLE_PROFILE_OAUTH2_TOKEN_SERVICE_DELEGATE_H_