[Sync] Remove ModelChangingSyncerCommand::HasCustomGroups()

chrome/browser/sync/engine/apply_updates_command.cc

 // Copyright (c) 2011 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.
 
 #include "chrome/browser/sync/engine/apply_updates_command.h"
 
 #include "base/location.h"
 #include "chrome/browser/sync/engine/update_applicator.h"
 #include "chrome/browser/sync/sessions/sync_session.h"
 #include "chrome/browser/sync/syncable/directory_manager.h"
 #include "chrome/browser/sync/syncable/syncable.h"
 
 namespace browser_sync {
 
 using sessions::SyncSession;
 
 ApplyUpdatesCommand::ApplyUpdatesCommand() {}
 ApplyUpdatesCommand::~ApplyUpdatesCommand() {}
 
-bool ApplyUpdatesCommand::HasCustomGroupsToChange() const {
-  return true;
-}
-
 std::set<ModelSafeGroup> ApplyUpdatesCommand::GetGroupsToChange(
     const sessions::SyncSession& session) const {
   std::set<ModelSafeGroup> groups_with_unapplied_updates;
 
   syncable::FullModelTypeSet server_types_with_unapplied_updates;
   {
     syncable::ScopedDirLookup dir(session.context()->directory_manager(),
                                   session.context()->account_name());
     if (!dir.good()) {
       LOG(ERROR) << "Scoped dir lookup failed!";
@@ skipping 57 matching lines @@
   if (status.ServerSaysNothingMoreToDownload()) {
     for (syncable::ModelTypeSet::Iterator it =
              status.updates_request_types().First(); it.Good(); it.Inc()) {
       // This gets persisted to the directory's backing store.
       dir->set_initial_sync_ended_for_type(it.Get(), true);
     }
   }
 }
 
 }  // namespace browser_sync