[Sync] Move 'sync' target to sync/

chrome/browser/sync/syncable/on_disk_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/on_disk_directory_backing_store.h"
-
-#include "base/logging.h"
-
-namespace syncable {
-
-OnDiskDirectoryBackingStore::OnDiskDirectoryBackingStore(
-    const std::string& dir_name, const FilePath& backing_filepath)
-    : DirectoryBackingStore(dir_name),
-      backing_filepath_(backing_filepath) {
-  db_->set_exclusive_locking();
-  db_->set_page_size(4096);
-}
-
-DirOpenResult OnDiskDirectoryBackingStore::Load(
-    MetahandlesIndex* entry_bucket,
-    Directory::KernelLoadInfo* kernel_load_info) {
-  DCHECK(CalledOnValidThread());
-  if (!db_->is_open()) {
-    if (!db_->Open(backing_filepath_))
-      return FAILED_OPEN_DATABASE;
-  }
-
-  if (!InitializeTables())
-    return FAILED_OPEN_DATABASE;
-
-  if (!DropDeletedEntries())
-    return FAILED_DATABASE_CORRUPT;
-  if (!LoadEntries(entry_bucket))
-    return FAILED_DATABASE_CORRUPT;
-  if (!LoadInfo(kernel_load_info))
-    return FAILED_DATABASE_CORRUPT;
-
-  return OPENED;
-}
-
-}  // namespace syncable