Upstreaming browser/ui/uikit_ui_util from iOS.
[chromium-blink-merge.git] / sync / test / null_transaction_observer.h
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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #ifndef SYNC_TEST_NULL_TRANSACTION_OBSERVER_H_
6 #define SYNC_TEST_NULL_TRANSACTION_OBSERVER_H_
8 #include "sync/internal_api/public/util/weak_handle.h"
10 namespace syncer {
11 namespace syncable {
13 class TransactionObserver;
15 // Returns an initialized weak handle to a transaction observer that
16 // does nothing.
17 WeakHandle<TransactionObserver> NullTransactionObserver();
19 } // namespace syncable
20 } // namespace syncer
22 #endif // SYNC_TEST_NULL_TRANSACTION_OBSERVER_H_