[Sync] Move 'sync' target to sync/

chrome/browser/sync/syncable/in_memory_directory_backing_store.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 "chrome/browser/sync/syncable/in_memory_directory_backing_store.h"
-
-namespace syncable {
-
-InMemoryDirectoryBackingStore::InMemoryDirectoryBackingStore(
-    const std::string& dir_name) : DirectoryBackingStore(dir_name) {
-}
-
-DirOpenResult InMemoryDirectoryBackingStore::Load(
-    MetahandlesIndex* entry_bucket,
-    Directory::KernelLoadInfo* kernel_load_info) {
-  if (!db_->is_open()) {
-    if (!db_->OpenInMemory())
-      return FAILED_OPEN_DATABASE;
-  }
-
-  if (!InitializeTables())
-    return FAILED_OPEN_DATABASE;
-
-  if (!LoadEntries(entry_bucket))
-    return FAILED_DATABASE_CORRUPT;
-  if (!LoadInfo(kernel_load_info))
-    return FAILED_DATABASE_CORRUPT;
-
-  return OPENED;
-}
-
-}  // namespace syncable