Move sync test code out of chrome/test

chrome/test/sync/null_directory_change_delegate.cc

Index: chrome/test/sync/null_directory_change_delegate.cc
===================================================================
--- chrome/test/sync/null_directory_change_delegate.cc	(revision 99413)
+++ chrome/test/sync/null_directory_change_delegate.cc	(working copy)
@@ -1,27 +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.
-
-#include "chrome/test/sync/null_directory_change_delegate.h"
-
-namespace syncable {
-
-NullDirectoryChangeDelegate::~NullDirectoryChangeDelegate() {}
-
-void NullDirectoryChangeDelegate::HandleCalculateChangesChangeEventFromSyncApi(
-    const EntryKernelMutationSet& mutations,
-    BaseTransaction* trans) {}
-
-void NullDirectoryChangeDelegate::HandleCalculateChangesChangeEventFromSyncer(
-    const EntryKernelMutationSet& mutations,
-    BaseTransaction* trans) {}
-
-ModelTypeBitSet NullDirectoryChangeDelegate::HandleTransactionEndingChangeEvent(
-      BaseTransaction* trans) {
-  return ModelTypeBitSet();
-}
-
-void NullDirectoryChangeDelegate::HandleTransactionCompleteChangeEvent(
-    const ModelTypeBitSet& models_with_changes) {}
-
-}  // namespace syncable