[Sync] Move some directory-related things from core/ to syncable/.

components/sync/core/delete_journal.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 "components/sync/core/delete_journal.h"
-
-#include <string>
-
-#include "components/sync/core/base_transaction.h"
-#include "components/sync/syncable/directory.h"
-#include "components/sync/syncable/syncable_base_transaction.h"
-
-namespace syncer {
-
-// static
-void DeleteJournal::GetBookmarkDeleteJournals(
-    BaseTransaction* trans,
-    BookmarkDeleteJournalList* delete_journal_list) {
-  syncable::EntryKernelSet deleted_entries;
-  trans->GetDirectory()->delete_journal()->GetDeleteJournals(
-      trans->GetWrappedTrans(), BOOKMARKS, &deleted_entries);
-  std::set<int64_t> undecryptable_journal;
-  for (syncable::EntryKernelSet::const_iterator i = deleted_entries.begin();
-       i != deleted_entries.end(); ++i) {
-    delete_journal_list->push_back(BookmarkDeleteJournal());
-    delete_journal_list->back().id = (*i)->ref(syncable::META_HANDLE);
-    delete_journal_list->back().external_id =
-        (*i)->ref(syncable::LOCAL_EXTERNAL_ID);
-    delete_journal_list->back().is_folder = (*i)->ref(syncable::IS_DIR);
-
-    const sync_pb::EntitySpecifics& specifics = (*i)->ref(syncable::SPECIFICS);
-    if (!specifics.has_encrypted()) {
-      delete_journal_list->back().specifics = specifics;
-    } else {
-      std::string plaintext_data =
-          trans->GetCryptographer()->DecryptToString(specifics.encrypted());
-      sync_pb::EntitySpecifics unencrypted_data;
-      if (plaintext_data.length() == 0 ||
-          !unencrypted_data.ParseFromString(plaintext_data)) {
-        // Fail to decrypt, Add this delete journal to purge.
-        undecryptable_journal.insert(delete_journal_list->back().id);
-        delete_journal_list->pop_back();
-      } else {
-        delete_journal_list->back().specifics = unencrypted_data;
-      }
-    }
-  }
-
-  if (!undecryptable_journal.empty()) {
-    trans->GetDirectory()->delete_journal()->PurgeDeleteJournals(
-        trans->GetWrappedTrans(), undecryptable_journal);
-  }
-}
-
-// static
-void DeleteJournal::PurgeDeleteJournals(BaseTransaction* trans,
-                                        const std::set<int64_t>& ids) {
-  trans->GetDirectory()->delete_journal()->PurgeDeleteJournals(
-      trans->GetWrappedTrans(), ids);
-}
-
-}  // namespace syncer