Improve GaiaAuthFetcher's API for its subclasses.

google_apis/gaia/gaia_auth_fetcher.h

 // Copyright (c) 2012 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 GOOGLE_APIS_GAIA_GAIA_AUTH_FETCHER_H_
 #define GOOGLE_APIS_GAIA_GAIA_AUTH_FETCHER_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 206 matching lines @@
                              const std::string& domain,
                              const std::string& login_hint);
 
   // Implementation of net::URLFetcherDelegate
   void OnURLFetchComplete(const net::URLFetcher* source) override;
 
   // StartClientLogin been called && results not back yet?
   bool HasPendingFetch();
 
   // Stop any URL fetches in progress.
-  void CancelRequest();
+  virtual void CancelRequest();
 
   // From a URLFetcher result, generate an appropriate error.
   // From the API documentation, both IssueAuthToken and ClientLogin have
   // the same error returns.
   static GoogleServiceAuthError GenerateOAuthLoginError(
       const std::string& data,
       const net::URLRequestStatus& status);
 
  protected:
   // Create and start |fetcher_|, used to make all Gaia request.  |body| is
@@ skipping 10 matching lines @@
                                          const GURL& gaia_gurl,
                                          int load_flags);
 
   // Dispatch the results of a request.
   void DispatchFetchedRequest(const GURL& url,
                               const std::string& data,
                               const net::ResponseCookies& cookies,
                               const net::URLRequestStatus& status,
                               int response_code);
 
+  void SetPendingFetch(bool pending_fetch);
+
  private:
   // ClientLogin body constants that don't change
   static const char kCookiePersistence[];
   static const char kAccountTypeHostedOrGoogle[];
   static const char kAccountTypeGoogle[];
 
   // The format of the POST body for ClientLogin.
   static const char kClientLoginFormat[];
   // The format of said POST body when CAPTCHA token & answer are specified.
   static const char kClientLoginCaptchaFormat[];
@@ skipping 227 matching lines @@
   FRIEND_TEST_ALL_PREFIXES(GaiaAuthFetcherTest, ParseOAuth2TokenPairResponse);
   FRIEND_TEST_ALL_PREFIXES(GaiaAuthFetcherTest, ClientOAuthSuccess);
   FRIEND_TEST_ALL_PREFIXES(GaiaAuthFetcherTest, ClientOAuthWithQuote);
   FRIEND_TEST_ALL_PREFIXES(GaiaAuthFetcherTest, ClientOAuthChallengeSuccess);
   FRIEND_TEST_ALL_PREFIXES(GaiaAuthFetcherTest, ClientOAuthChallengeQuote);
 
   DISALLOW_COPY_AND_ASSIGN(GaiaAuthFetcher);
 };
 
 #endif  // GOOGLE_APIS_GAIA_GAIA_AUTH_FETCHER_H_