FYI: Remove PerModelSafeGroupState + move ConflictResolution

sync/engine/resolve_conflicts_command.cc

-// 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.
-
-#include "sync/engine/resolve_conflicts_command.h"
-
-#include "sync/engine/conflict_resolver.h"
-#include "sync/sessions/session_state.h"
-#include "sync/sessions/sync_session.h"
-#include "sync/syncable/directory.h"
-#include "sync/syncable/write_transaction.h"
-
-namespace syncer {
-
-ResolveConflictsCommand::ResolveConflictsCommand() {}
-ResolveConflictsCommand::~ResolveConflictsCommand() {}
-
-std::set<ModelSafeGroup> ResolveConflictsCommand::GetGroupsToChange(
-    const sessions::SyncSession& session) const {
-  return session.GetEnabledGroupsWithConflicts();
-}
-
-SyncerError ResolveConflictsCommand::ModelChangingExecuteImpl(
-    sessions::SyncSession* session) {
-  ConflictResolver* resolver = session->context()->resolver();
-  DCHECK(resolver);
-
-  syncable::Directory* dir = session->context()->directory();
-  sessions::StatusController* status = session->mutable_status_controller();
-  const sessions::ConflictProgress* progress = status->conflict_progress();
-  if (!progress)
-    return SYNCER_OK;  // Nothing to do.
-  syncable::WriteTransaction trans(FROM_HERE, syncable::SYNCER, dir);
-  const Cryptographer* cryptographer = dir->GetCryptographer(&trans);
-  status->update_conflicts_resolved(
-      resolver->ResolveConflicts(&trans, cryptographer, *progress, status));
-
-  return SYNCER_OK;
-}
-
-}  // namespace syncer