[Sync] Move //components/sync_driver to //components/sync/driver.

components/sync_driver/sync_service_utils.cc

-// Copyright 2015 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 "components/sync_driver/sync_service_utils.h"
-
-#include "components/sync_driver/sync_prefs.h"
-#include "components/sync_driver/sync_service.h"
-
-namespace sync_driver {
-
-bool IsTabSyncEnabledAndUnencrypted(SyncService* sync_service,
-                                    PrefService* pref_service) {
-  // Check field trials and settings allow sending the URL on suggest requests.
-  sync_driver::SyncPrefs sync_prefs(pref_service);
-  return sync_service && sync_service->CanSyncStart() &&
-         sync_prefs.GetPreferredDataTypes(syncer::UserTypes())
-             .Has(syncer::PROXY_TABS) &&
-         !sync_service->GetEncryptedDataTypes().Has(syncer::SESSIONS);
-}
-
-}  // namespace sync_driver