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

components/sync/core/read_node.cc

Index: components/sync/core/read_node.cc
diff --git a/components/sync/core/read_node.cc b/components/sync/core/read_node.cc
deleted file mode 100644
index e53d69fd2895848fb354c22fd899de518a5e7fa8..0000000000000000000000000000000000000000
--- a/components/sync/core/read_node.cc
+++ /dev/null
@@ -1,118 +0,0 @@
-// Copyright 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/read_node.h"
-
-#include "base/logging.h"
-#include "components/sync/core/base_transaction.h"
-#include "components/sync/syncable/entry.h"
-#include "components/sync/syncable/syncable_base_transaction.h"
-#include "components/sync/syncable/syncable_util.h"
-
-namespace syncer {
-
-//////////////////////////////////////////////////////////////////////////
-// ReadNode member definitions
-ReadNode::ReadNode(const BaseTransaction* transaction)
-    : entry_(NULL), transaction_(transaction) {
-  DCHECK(transaction);
-}
-
-ReadNode::ReadNode() {
-  entry_ = NULL;
-  transaction_ = NULL;
-}
-
-ReadNode::~ReadNode() {
-  delete entry_;
-}
-
-void ReadNode::InitByRootLookup() {
-  DCHECK(!entry_) << "Init called twice";
-  syncable::BaseTransaction* trans = transaction_->GetWrappedTrans();
-  entry_ = new syncable::Entry(trans, syncable::GET_BY_ID, trans->root_id());
-  if (!entry_->good())
-    DCHECK(false) << "Could not lookup root node for reading.";
-}
-
-BaseNode::InitByLookupResult ReadNode::InitByIdLookup(int64_t id) {
-  DCHECK(!entry_) << "Init called twice";
-  DCHECK_NE(id, kInvalidId);
-  syncable::BaseTransaction* trans = transaction_->GetWrappedTrans();
-  entry_ = new syncable::Entry(trans, syncable::GET_BY_HANDLE, id);
-  if (!entry_->good())
-    return INIT_FAILED_ENTRY_NOT_GOOD;
-  if (entry_->GetIsDel())
-    return INIT_FAILED_ENTRY_IS_DEL;
-  ModelType model_type = GetModelType();
-  LOG_IF(WARNING, model_type == UNSPECIFIED || model_type == TOP_LEVEL_FOLDER)
-      << "SyncAPI InitByIdLookup referencing unusual object.";
-  return DecryptIfNecessary() ? INIT_OK : INIT_FAILED_DECRYPT_IF_NECESSARY;
-}
-
-BaseNode::InitByLookupResult ReadNode::InitByClientTagLookup(
-    ModelType model_type,
-    const std::string& tag) {
-  DCHECK(!entry_) << "Init called twice";
-  if (tag.empty())
-    return INIT_FAILED_PRECONDITION;
-
-  const std::string hash = syncable::GenerateSyncableHash(model_type, tag);
-
-  entry_ = new syncable::Entry(transaction_->GetWrappedTrans(),
-                               syncable::GET_BY_CLIENT_TAG, hash);
-  if (!entry_->good())
-    return INIT_FAILED_ENTRY_NOT_GOOD;
-  if (entry_->GetIsDel())
-    return INIT_FAILED_ENTRY_IS_DEL;
-  return DecryptIfNecessary() ? INIT_OK : INIT_FAILED_DECRYPT_IF_NECESSARY;
-}
-
-const syncable::Entry* ReadNode::GetEntry() const {
-  return entry_;
-}
-
-const BaseTransaction* ReadNode::GetTransaction() const {
-  return transaction_;
-}
-
-int64_t ReadNode::GetTransactionVersion() const {
-  return GetEntry()->GetTransactionVersion();
-}
-
-BaseNode::InitByLookupResult ReadNode::InitByTagLookupForBookmarks(
-    const std::string& tag) {
-  DCHECK(!entry_) << "Init called twice";
-  if (tag.empty())
-    return INIT_FAILED_PRECONDITION;
-  syncable::BaseTransaction* trans = transaction_->GetWrappedTrans();
-  entry_ = new syncable::Entry(trans, syncable::GET_BY_SERVER_TAG, tag);
-  if (!entry_->good())
-    return INIT_FAILED_ENTRY_NOT_GOOD;
-  if (entry_->GetIsDel())
-    return INIT_FAILED_ENTRY_IS_DEL;
-  ModelType model_type = GetModelType();
-  DCHECK_EQ(model_type, BOOKMARKS)
-      << "InitByTagLookup deprecated for all types except bookmarks.";
-  return DecryptIfNecessary() ? INIT_OK : INIT_FAILED_DECRYPT_IF_NECESSARY;
-}
-
-BaseNode::InitByLookupResult ReadNode::InitTypeRoot(ModelType type) {
-  DCHECK(!entry_) << "Init called twice";
-  if (!IsRealDataType(type))
-    return INIT_FAILED_PRECONDITION;
-  syncable::BaseTransaction* trans = transaction_->GetWrappedTrans();
-  entry_ = new syncable::Entry(trans, syncable::GET_TYPE_ROOT, type);
-  if (!entry_->good())
-    return INIT_FAILED_ENTRY_NOT_GOOD;
-  if (entry_->GetIsDel())
-    return INIT_FAILED_ENTRY_IS_DEL;
-  ModelType found_model_type = GetModelType();
-  LOG_IF(WARNING, found_model_type == UNSPECIFIED ||
-                      found_model_type == TOP_LEVEL_FOLDER)
-      << "SyncAPI InitTypeRoot referencing unusually typed object.";
-  return DecryptIfNecessary() ? INIT_OK : INIT_FAILED_DECRYPT_IF_NECESSARY;
-}
-
-}  // namespace syncer