[Sync] Remove ModelChangingSyncerCommand::HasCustomGroups()

chrome/browser/sync/engine/process_commit_response_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/process_commit_response_command.h"
 
 #include <cstddef>
 #include <set>
 #include <string>
 #include <vector>
@@ skipping 42 matching lines @@
 void IncrementErrorCounters(StatusController* status) {
   status->increment_num_consecutive_errors();
 }
 void ResetErrorCounters(StatusController* status) {
   status->set_num_consecutive_errors(0);
 }
 
 ProcessCommitResponseCommand::ProcessCommitResponseCommand() {}
 ProcessCommitResponseCommand::~ProcessCommitResponseCommand() {}
 
-bool ProcessCommitResponseCommand::HasCustomGroupsToChange() const {
-  return true;
-}
-
 std::set<ModelSafeGroup> ProcessCommitResponseCommand::GetGroupsToChange(
     const sessions::SyncSession& session) const {
   std::set<ModelSafeGroup> groups_with_commits;
   syncable::ScopedDirLookup dir(session.context()->directory_manager(),
                                 session.context()->account_name());
   if (!dir.good()) {
     LOG(ERROR) << "Scoped dir lookup failed!";
     return groups_with_commits;
   }
 
@@ skipping 434 matching lines @@
   // been recursively deleted.
   // TODO(nick): Here, commit_message.deleted() would be more correct than
   // local_entry->Get(IS_DEL).  For example, an item could be renamed, and then
   // deleted during the commit of the rename.  Unit test & fix.
   if (local_entry->Get(IS_DIR) && local_entry->Get(IS_DEL)) {
     deleted_folders->insert(local_entry->Get(ID));
   }
 }
 
 }  // namespace browser_sync