[Sync] Add support for immediately enabling wallet datatype

chrome/browser/sync/profile_sync_service.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 CHROME_BROWSER_SYNC_PROFILE_SYNC_SERVICE_H_
 #define CHROME_BROWSER_SYNC_PROFILE_SYNC_SERVICE_H_
 
 #include <set>
 #include <string>
 #include <utility>
@@ skipping 898 matching lines @@
   void NotifySyncCycleCompleted();
 
   void ClearStaleErrors();
 
   void ClearUnrecoverableError();
 
   // Starts up the backend sync components. |mode| specifies the kind of
   // backend to start, one of SYNC, BACKUP or ROLLBACK.
   virtual void StartUpSlowBackendComponents(BackendMode mode);
 
-  // About-flags experiment names for datatypes that aren't enabled by default
-  // yet.
-  static std::string GetExperimentNameForDataType(
-      syncer::ModelType data_type);
-
-  // Create and register a new datatype controller.
-  void RegisterNewDataType(syncer::ModelType data_type);
-
   // Collects preferred sync data types from |preference_providers_|.
   syncer::ModelTypeSet GetDataTypesFromPreferenceProviders() const;
 
   // Called when the user changes the sync configuration, to update the UMA
   // stats.
   void UpdateSelectedTypesHistogram(
       bool sync_everything,
       const syncer::ModelTypeSet chosen_types) const;
 
 #if defined(OS_CHROMEOS)
@@ skipping 233 matching lines @@
   base::WeakPtrFactory<ProfileSyncService> startup_controller_weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ProfileSyncService);
 };
 
 bool ShouldShowActionOnUI(
     const syncer::SyncProtocolError& error);
 
 
 #endif  // CHROME_BROWSER_SYNC_PROFILE_SYNC_SERVICE_H_