Refactor syncapi.h

chrome/browser/sync/engine/user_share.h

+// Copyright (c) 2011 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 CHROME_BROWSER_SYNC_ENGINE_USER_SHARE_H_
+#define CHROME_BROWSER_SYNC_ENGINE_USER_SHARE_H_
+#pragma once
+
+#include <string>
+
+#include "base/memory/scoped_ptr.h"
+
+namespace syncable {
+class DirectoryManager;
+}
+
+namespace sync_api {
+
+// A UserShare encapsulates the syncable pieces that represent an authenticated
+// user and their data (share).
+// This encompasses all pieces required to build transaction objects on the
+// syncable share.
+struct UserShare {
+  UserShare();
+  ~UserShare();
+
+  // The DirectoryManager itself, which is the parent of Transactions and can
+  // be shared across multiple threads (unlike Directory).
+  scoped_ptr<syncable::DirectoryManager> dir_manager;
+
+  // The username of the sync user.
+  std::string name;
+};
+
+}
+
+#endif  // CHROME_BROWSER_SYNC_ENGINE_USER_SHARE_H_