sync: move internal_api components used by chrome/browser into internal_api/public

sync/internal_api/base_transaction.h

Index: sync/internal_api/base_transaction.h
diff --git a/sync/internal_api/base_transaction.h b/sync/internal_api/base_transaction.h
deleted file mode 100644
index f39bca6f171b856eeccc710cef435ad1703ff164..0000000000000000000000000000000000000000
--- a/sync/internal_api/base_transaction.h
+++ /dev/null
@@ -1,54 +0,0 @@
-// 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.
-
-#ifndef SYNC_INTERNAL_API_BASE_TRANSACTION_H_
-#define SYNC_INTERNAL_API_BASE_TRANSACTION_H_
-#pragma once
-
-#include "sync/internal_api/user_share.h"
-
-#include "sync/util/cryptographer.h"
-
-namespace syncable {
-class BaseTransaction;
-class Directory;
-}
-
-namespace sync_api {
-
-// Sync API's BaseTransaction, ReadTransaction, and WriteTransaction allow for
-// batching of several read and/or write operations.  The read and write
-// operations are performed by creating ReadNode and WriteNode instances using
-// the transaction. These transaction classes wrap identically named classes in
-// syncable, and are used in a similar way. Unlike syncable::BaseTransaction,
-// whose construction requires an explicit syncable::Directory, a sync
-// API BaseTransaction is created from a UserShare object.
-class BaseTransaction {
- public:
-  // Provide access to the underlying syncable.h objects from BaseNode.
-  virtual syncable::BaseTransaction* GetWrappedTrans() const = 0;
-  browser_sync::Cryptographer* GetCryptographer() const;
-
-  syncable::Directory* GetDirectory() const {
-    return directory_;
-  }
-
- protected:
-  explicit BaseTransaction(UserShare* share);
-  virtual ~BaseTransaction();
-
-  BaseTransaction() : directory_(NULL) { }
-
- private:
-  syncable::Directory* directory_;
-
-  DISALLOW_COPY_AND_ASSIGN(BaseTransaction);
-};
-
-syncable::ModelTypeSet GetEncryptedTypes(
-    const sync_api::BaseTransaction* trans);
-
-}  // namespace sync_api
-
-#endif  // SYNC_INTERNAL_API_BASE_TRANSACTION_H_