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

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 "sync/syncable/in_memory_directory_backing_store.h"
-
-namespace syncer {
-namespace syncable {
-
-InMemoryDirectoryBackingStore::InMemoryDirectoryBackingStore(
-    const std::string& dir_name)
-    : DirectoryBackingStore(dir_name) {
-}
-
-DirOpenResult InMemoryDirectoryBackingStore::Load(
-    Directory::MetahandlesMap* handles_map,
-    JournalIndex* delete_journals,
-    MetahandleSet* metahandles_to_purge,
-    Directory::KernelLoadInfo* kernel_load_info) {
-  if (!IsOpen()) {
-    if (!OpenInMemory())
-      return FAILED_OPEN_DATABASE;
-  }
-
-  if (!InitializeTables())
-    return FAILED_OPEN_DATABASE;
-
-  if (!LoadEntries(handles_map, metahandles_to_purge))
-    return FAILED_DATABASE_CORRUPT;
-  if (!LoadDeleteJournals(delete_journals))
-    return FAILED_DATABASE_CORRUPT;
-  if (!LoadInfo(kernel_load_info))
-    return FAILED_DATABASE_CORRUPT;
-  if (!VerifyReferenceIntegrity(handles_map))
-    return FAILED_DATABASE_CORRUPT;
-
-  return OPENED;
-}
-
-}  // namespace syncable
-}  // namespace syncer