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

components/sync/core/base_node.h

Index: components/sync/core/base_node.h
diff --git a/components/sync/core/base_node.h b/components/sync/core/base_node.h
deleted file mode 100644
index 2f036294fb636fbfb74630687eb37080c7d17c0a..0000000000000000000000000000000000000000
--- a/components/sync/core/base_node.h
+++ /dev/null
@@ -1,243 +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.
-
-#ifndef COMPONENTS_SYNC_CORE_BASE_NODE_H_
-#define COMPONENTS_SYNC_CORE_BASE_NODE_H_
-
-#include <stddef.h>
-#include <stdint.h>
-
-#include <memory>
-#include <string>
-#include <vector>
-
-#include "base/gtest_prod_util.h"
-#include "base/macros.h"
-#include "base/time/time.h"
-#include "components/sync/base/model_type.h"
-#include "components/sync/model/attachments/attachment.h"
-#include "components/sync/protocol/sync.pb.h"
-#include "url/gurl.h"
-
-// Forward declarations of internal class types so that sync API objects
-// may have opaque pointers to these types.
-namespace base {
-class DictionaryValue;
-}
-
-namespace sync_pb {
-class AppSpecifics;
-class AutofillSpecifics;
-class AutofillProfileSpecifics;
-class BookmarkSpecifics;
-class EntitySpecifics;
-class ExtensionSpecifics;
-class SessionSpecifics;
-class NigoriSpecifics;
-class PreferenceSpecifics;
-class PasswordSpecificsData;
-class ThemeSpecifics;
-class TypedUrlSpecifics;
-}  // namespace sync_pb
-
-namespace syncer {
-
-class BaseTransaction;
-
-namespace syncable {
-class BaseTransaction;
-class Entry;
-class Id;
-}
-
-// A valid BaseNode will never have an ID of zero.
-static const int64_t kInvalidId = 0;
-
-// BaseNode wraps syncable::Entry, and corresponds to a single object's state.
-// This, like syncable::Entry, is intended for use on the stack.  A valid
-// transaction is necessary to create a BaseNode or any of its children.
-// Unlike syncable::Entry, a sync API BaseNode is identified primarily by its
-// int64_t metahandle, which we call an ID here.
-class BaseNode {
- public:
-  // Enumerates the possible outcomes of trying to initialize a sync node.
-  enum InitByLookupResult {
-    INIT_OK,
-    // Could not find an entry matching the lookup criteria.
-    INIT_FAILED_ENTRY_NOT_GOOD,
-    // Found an entry, but it is already deleted.
-    INIT_FAILED_ENTRY_IS_DEL,
-    // Found an entry, but was unable to decrypt.
-    INIT_FAILED_DECRYPT_IF_NECESSARY,
-    // A precondition was not met for calling init, such as legal input
-    // arguments.
-    INIT_FAILED_PRECONDITION,
-  };
-
-  // All subclasses of BaseNode must provide a way to initialize themselves by
-  // doing an ID lookup.  Returns false on failure.  An invalid or deleted
-  // ID will result in failure.
-  virtual InitByLookupResult InitByIdLookup(int64_t id) = 0;
-
-  // All subclasses of BaseNode must also provide a way to initialize themselves
-  // by doing a client tag lookup. Returns false on failure. A deleted node
-  // will return FALSE.
-  virtual InitByLookupResult InitByClientTagLookup(ModelType model_type,
-                                                   const std::string& tag) = 0;
-
-  // Each object is identified by a 64-bit id (internally, the syncable
-  // metahandle).  These ids are strictly local handles.  They will persist
-  // on this client, but the same object on a different client may have a
-  // different ID value.
-  virtual int64_t GetId() const;
-
-  // Returns the modification time of the object.
-  base::Time GetModificationTime() const;
-
-  // Nodes are hierarchically arranged into a single-rooted tree.
-  // InitByRootLookup on ReadNode allows access to the root. GetParentId is
-  // how you find a node's parent.
-  int64_t GetParentId() const;
-
-  // Nodes are either folders or not.  This corresponds to the IS_DIR property
-  // of syncable::Entry.
-  bool GetIsFolder() const;
-
-  // Specifies whether node is a permanent folder. This is true when
-  // UNIQUE_SERVER_TAG property of syncable::Entry is non-empty.
-  bool GetIsPermanentFolder() const;
-
-  // Returns the title of the object.
-  // Uniqueness of the title is not enforced on siblings -- it is not an error
-  // for two children to share a title.
-  std::string GetTitle() const;
-
-  // Returns the model type of this object.  The model type is set at node
-  // creation time and is expected never to change.
-  ModelType GetModelType() const;
-
-  // Getter specific to the BOOKMARK datatype.  Returns protobuf
-  // data.  Can only be called if GetModelType() == BOOKMARK.
-  const sync_pb::BookmarkSpecifics& GetBookmarkSpecifics() const;
-
-  // Getter specific to the NIGORI datatype.  Returns protobuf
-  // data.  Can only be called if GetModelType() == NIGORI.
-  const sync_pb::NigoriSpecifics& GetNigoriSpecifics() const;
-
-  // Getter specific to the PASSWORD datatype.  Returns protobuf
-  // data.  Can only be called if GetModelType() == PASSWORD.
-  const sync_pb::PasswordSpecificsData& GetPasswordSpecifics() const;
-
-  // Getter specific to the TYPED_URLS datatype.  Returns protobuf
-  // data.  Can only be called if GetModelType() == TYPED_URLS.
-  const sync_pb::TypedUrlSpecifics& GetTypedUrlSpecifics() const;
-
-  // Getter specific to the EXPERIMENTS datatype.  Returns protobuf
-  // data.  Can only be called if GetModelType() == EXPERIMENTS.
-  const sync_pb::ExperimentsSpecifics& GetExperimentsSpecifics() const;
-
-  const sync_pb::EntitySpecifics& GetEntitySpecifics() const;
-
-  // Returns the local external ID associated with the node.
-  int64_t GetExternalId() const;
-
-  // Returns the internal syncable ID associated with the node.
-  const syncable::Id& GetSyncId() const;
-
-  // Returns true iff this node has children.
-  bool HasChildren() const;
-
-  // Return the ID of the node immediately before this in the sibling order.
-  // For the first node in the ordering, return 0.
-  int64_t GetPredecessorId() const;
-
-  // Return the ID of the node immediately after this in the sibling order.
-  // For the last node in the ordering, return 0.
-  int64_t GetSuccessorId() const;
-
-  // Return the ID of the first child of this node.  If this node has no
-  // children, return 0.
-  int64_t GetFirstChildId() const;
-
-  // Returns the IDs of the children of this node.
-  // If this type supports user-defined positions the returned IDs will be in
-  // the correct order.
-  void GetChildIds(std::vector<int64_t>* result) const;
-
-  // Returns the total number of nodes including and beneath this node.
-  // Recursively iterates through all children.
-  int GetTotalNodeCount() const;
-
-  // Returns this item's position within its parent.
-  // Do not call this function on items that do not support positioning
-  // (ie. non-bookmarks).
-  int GetPositionIndex() const;
-
-  // Returns this item's attachment ids.
-  const AttachmentIdList GetAttachmentIds() const;
-
-  // Returns a base::DictionaryValue serialization of this node.
-  base::DictionaryValue* ToValue() const;
-
- protected:
-  BaseNode();
-  virtual ~BaseNode();
-
-  // These virtual accessors provide access to data members of derived classes.
-  virtual const syncable::Entry* GetEntry() const = 0;
-  virtual const BaseTransaction* GetTransaction() const = 0;
-
-  // Determines whether part of the entry is encrypted, and if so attempts to
-  // decrypt it. Unless decryption is necessary and fails, this will always
-  // return |true|. If the contents are encrypted, the decrypted data will be
-  // stored in |unencrypted_data_|.
-  // This method is invoked once when the BaseNode is initialized.
-  bool DecryptIfNecessary();
-
-  // Returns the unencrypted specifics associated with |entry|. If |entry| was
-  // not encrypted, it directly returns |entry|'s EntitySpecifics. Otherwise,
-  // returns |unencrypted_data_|.
-  const sync_pb::EntitySpecifics& GetUnencryptedSpecifics(
-      const syncable::Entry* entry) const;
-
-  // Copy |specifics| into |unencrypted_data_|.
-  void SetUnencryptedSpecifics(const sync_pb::EntitySpecifics& specifics);
-
- private:
-  // Have to friend the test class as well to allow member functions to access
-  // protected/private BaseNode methods.
-  friend class SyncManagerTest;
-  FRIEND_TEST_ALL_PREFIXES(SyncApiTest, GenerateSyncableHash);
-  FRIEND_TEST_ALL_PREFIXES(SyncApiTest, WriteEmptyBookmarkTitle);
-  FRIEND_TEST_ALL_PREFIXES(SyncApiTest, WriteEncryptedTitle);
-  FRIEND_TEST_ALL_PREFIXES(SyncBackupManagerTest, NormalizeEntry);
-  FRIEND_TEST_ALL_PREFIXES(SyncBackupManagerTest,
-                           PersistWithSwitchToSyncShutdown);
-  FRIEND_TEST_ALL_PREFIXES(SyncManagerTest, UpdateEntryWithEncryption);
-  FRIEND_TEST_ALL_PREFIXES(SyncManagerTest,
-                           UpdatePasswordSetEntitySpecificsNoChange);
-  FRIEND_TEST_ALL_PREFIXES(SyncManagerTest, UpdatePasswordSetPasswordSpecifics);
-  FRIEND_TEST_ALL_PREFIXES(SyncManagerTest, UpdatePasswordNewPassphrase);
-  FRIEND_TEST_ALL_PREFIXES(SyncManagerTest, UpdatePasswordReencryptEverything);
-  FRIEND_TEST_ALL_PREFIXES(SyncManagerTest, SetBookmarkTitle);
-  FRIEND_TEST_ALL_PREFIXES(SyncManagerTest, SetBookmarkTitleWithEncryption);
-  FRIEND_TEST_ALL_PREFIXES(SyncManagerTest, SetNonBookmarkTitle);
-  FRIEND_TEST_ALL_PREFIXES(SyncManagerTest, SetNonBookmarkTitleWithEncryption);
-  FRIEND_TEST_ALL_PREFIXES(SyncManagerTest, SetPreviouslyEncryptedSpecifics);
-  FRIEND_TEST_ALL_PREFIXES(SyncManagerTest, IncrementTransactionVersion);
-
-  void* operator new(size_t size);  // Node is meant for stack use only.
-
-  // A holder for the unencrypted data stored in an encrypted node.
-  sync_pb::EntitySpecifics unencrypted_data_;
-
-  // Same as |unencrypted_data_|, but for legacy password encryption.
-  std::unique_ptr<sync_pb::PasswordSpecificsData> password_data_;
-
-  DISALLOW_COPY_AND_ASSIGN(BaseNode);
-};
-
-}  // namespace syncer
-
-#endif  // COMPONENTS_SYNC_CORE_BASE_NODE_H_