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

google_apis/gaia/oauth2_token_service_delegate.h

Index: google_apis/gaia/oauth2_token_service_delegate.h
diff --git a/google_apis/gaia/oauth2_token_service_delegate.h b/google_apis/gaia/oauth2_token_service_delegate.h
index cb38c2eb0e5a3a60a16db7dfbf16129ee71a3da8..3a2d39fb246962cbd73e173aa390b4cf5de5831b 100644
--- a/google_apis/gaia/oauth2_token_service_delegate.h
+++ b/google_apis/gaia/oauth2_token_service_delegate.h
@@ -29,8 +29,9 @@ class OAuth2TokenServiceDelegate {
       OAuth2AccessTokenConsumer* consumer) = 0;
 
   virtual bool RefreshTokenIsAvailable(const std::string& account_id) const = 0;
+  virtual bool RefreshTokenHasError(const std::string& account_id) const;
   virtual void UpdateAuthError(const std::string& account_id,
-                               const GoogleServiceAuthError& error){};
+                               const GoogleServiceAuthError& error) {}
 
   virtual std::vector<std::string> GetAccounts();
   virtual void RevokeAllCredentials(){};
@@ -70,6 +71,12 @@ class OAuth2TokenServiceDelegate {
     DISALLOW_COPY_AND_ASSIGN(ScopedBatchChange);
   };
 
+  // This function is called by derived classes to help implement
+  // RefreshTokenHasError().  It centralizes the code for determining if
+  // |error| is worthy of being reported as an error for purposes of
+  // RefreshTokenHasError().
+  static bool IsError(const GoogleServiceAuthError& error);
+
  private:
   // List of observers to notify when refresh token availability changes.
   // Makes sure list is empty on destruction.