[Sync] Move 'sync' target to sync/

chrome/browser/sync/test/null_transaction_observer.h

Index: chrome/browser/sync/test/null_transaction_observer.h
diff --git a/chrome/browser/sync/test/null_transaction_observer.h b/chrome/browser/sync/test/null_transaction_observer.h
deleted file mode 100644
index 74aa9d78e312dd3df4ac6ada81d239aa654bbc67..0000000000000000000000000000000000000000
--- a/chrome/browser/sync/test/null_transaction_observer.h
+++ /dev/null
@@ -1,21 +0,0 @@
-// 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.
-
-#ifndef CHROME_BROWSER_SYNC_TEST_NULL_TRANSACTION_OBSERVER_H_
-#define CHROME_BROWSER_SYNC_TEST_NULL_TRANSACTION_OBSERVER_H_
-#pragma once
-
-#include "chrome/browser/sync/util/weak_handle.h"
-
-namespace syncable {
-
-class TransactionObserver;
-
-// Returns an initialized weak handle to a transaction observer that
-// does nothing.
-browser_sync::WeakHandle<TransactionObserver> NullTransactionObserver();
-
-}  // namespace syncable
-
-#endif  // CHROME_BROWSER_SYNC_TEST_NULL_TRANSACTION_OBSERVER_H_