Add ManagedUserTokenFetcher to fetch scoped-down tokens.

chrome/browser/managed_mode/managed_user_registration_service.h

 // Copyright 2013 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_MANAGED_MODE_MANAGED_USER_REGISTRATION_SERVICE_H_
 #define CHROME_BROWSER_MANAGED_MODE_MANAGED_USER_REGISTRATION_SERVICE_H_
 
 #include <map>
 #include <string>
 
 #include "base/callback.h"
 #include "base/memory/weak_ptr.h"
 #include "base/prefs/pref_change_registrar.h"
 #include "base/string16.h"
 #include "chrome/browser/profiles/profile_manager.h"
 #include "components/browser_context_keyed_service/browser_context_keyed_service.h"
 #include "sync/api/syncable_service.h"
 
 class GoogleServiceAuthError;
+class ManagedUserTokenFetcher;
 class PrefService;
 
+namespace browser_sync {
+class DeviceInfo;
+}
+
 namespace user_prefs {
 class PrefRegistrySyncable;
 }
 
 // Holds the state necessary for registering a new managed user with the
 // management server and associating it with its custodian. It is owned by the
 // custodian's profile.
 class ManagedUserRegistrationService : public BrowserContextKeyedService,
                                        public syncer::SyncableService {
  public:
   // Callback for Register() below. If registration is successful, |token| will
   // contain an OAuth2 refresh token for the newly registered managed user,
   // otherwise |token| will be empty and |error| will contain the authentication
   // error for the custodian.
   typedef base::Callback<void(const GoogleServiceAuthError& /* error */,
                               const std::string& /* token */)>
       RegistrationCallback;
 
-  explicit ManagedUserRegistrationService(PrefService* prefs);
+  ManagedUserRegistrationService(
+      PrefService* prefs,
+      scoped_ptr<ManagedUserTokenFetcher> token_fetcher);
   virtual ~ManagedUserRegistrationService();
 
   static void RegisterUserPrefs(user_prefs::PrefRegistrySyncable* registry);
 
   // Registers a new managed user with the server. |name| is the display name of
   // the user. |callback| is called with the result of the registration.
   void Register(const string16& name, const RegistrationCallback& callback);
 
   // Convenience method that registers a new managed user with the server and
   // initializes it locally. The callback allows it to be run after a new
@@ skipping 19 matching lines @@
   virtual syncer::SyncError ProcessSyncChanges(
       const tracked_objects::Location& from_here,
       const syncer::SyncChangeList& change_list) OVERRIDE;
 
  private:
   void OnLastSignedInUsernameChange();
 
   // Called when the Sync server has acknowledged a newly created managed user.
   void OnManagedUserAcknowledged(const std::string& managed_user_id);
 
+  // Fetches the managed user token when we have the device info.
+  void FetchToken(const string16& name,
+                  const browser_sync::DeviceInfo& device_info);
+
   // Called when we have received a token for the managed user.
-  void OnReceivedToken(const std::string& token);
+  void OnReceivedToken(const GoogleServiceAuthError& error,
+                       const std::string& token);
 
   // Dispatches the callback if all the conditions have been met.
   void DispatchCallbackIfReady();
 
   void CancelPendingRegistration();
 
   // Dispatches the callback with the saved token (which may be empty) and the
   // given |error|.
   void DispatchCallback(const GoogleServiceAuthError& error);
 
   void OnProfileCreated(Profile* profile, Profile::CreateStatus status);
 
   base::WeakPtrFactory<ManagedUserRegistrationService> weak_ptr_factory_;
   PrefService* prefs_;
   PrefChangeRegistrar pref_change_registrar_;
+  scoped_ptr<ManagedUserTokenFetcher> token_fetcher_;
 
   scoped_ptr<syncer::SyncChangeProcessor> sync_processor_;
   scoped_ptr<syncer::SyncErrorFactory> error_handler_;
 
   std::string pending_managed_user_id_;
   std::string pending_managed_user_token_;
   bool pending_managed_user_acknowledged_;
   RegistrationCallback callback_;
 
   DISALLOW_COPY_AND_ASSIGN(ManagedUserRegistrationService);
 };
 
 #endif  // CHROME_BROWSER_MANAGED_MODE_MANAGED_USER_REGISTRATION_SERVICE_H_