Handle redirects in AuthenticatingURLLoaderImpl.

services/authenticating_url_loader/authenticating_url_loader_impl.h

 // 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.
 
 #ifndef SERVICES_AUTHENTICATING_URL_LOADER_AUTHENTICATING_URL_LOADER_IMPL_H_
 #define SERVICES_AUTHENTICATING_URL_LOADER_AUTHENTICATING_URL_LOADER_IMPL_H_
 
 #include "mojo/public/cpp/bindings/binding.h"
 #include "mojo/public/cpp/bindings/error_handler.h"
 #include "mojo/services/authenticating_url_loader/public/interfaces/authenticating_url_loader.mojom.h"
@@ skipping 21 matching lines @@
           connection_error_callback);
   ~AuthenticatingURLLoaderImpl() override;
 
   void SetAuthenticationService(
       authentication::AuthenticationService* authentication_service);
 
  private:
   // AuthenticatingURLLoader methods:
   void Start(URLRequestPtr request,
              const Callback<void(URLResponsePtr)>& callback) override;
+  void FollowRedirect(const Callback<void(URLResponsePtr)>& callback) override;
 
   // ErrorHandler methods:
   void OnConnectionError() override;
 
   void StartNetworkRequest(URLRequestPtr request);
 
   void OnLoadComplete(URLResponsePtr response);
 
+  void FollowRedirectInternal();
+
   void OnAccountSelected(String username, String error);
 
   void OnOAuth2TokenReceived(String token, String error);
 
   Binding<AuthenticatingURLLoader> binding_;
   authentication::AuthenticationService* authentication_service_;
   NetworkService* network_service_;
   Callback<void(AuthenticatingURLLoaderImpl*)> connection_error_callback_;
   URLLoaderPtr url_loader_;
   URLResponsePtr pending_response_;
   RequestAuthorizationState request_authorization_state_;
   String url_;
   bool auto_follow_redirects_;
   bool bypass_cache_;
   Array<String> headers_;
   String username_;
   String token_;
-  Callback<void(URLResponsePtr)> pending_start_callback_;
+  Callback<void(URLResponsePtr)> pending_request_callback_;
 };
 
 }  // namespace mojo
 
 #endif  // SERVICES_AUTHENTICATING_URL_LOADER_AUTHENTICATING_URL_LOADER_IMPL_H_