[cros] Define session_manager component with SessionManager base class

chrome/browser/chromeos/login/session/stub_login_session_manager_delegate.h

+// Copyright 2014 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_CHROMEOS_LOGIN_SESSION_STUB_LOGIN_SESSION_MANAGER_DELEGATE_H_
+#define CHROME_BROWSER_CHROMEOS_LOGIN_SESSION_STUB_LOGIN_SESSION_MANAGER_DELEGATE_H_
+
+#include <string>
+
+#include "base/basictypes.h"
+#include "base/memory/scoped_ptr.h"
+#include "chrome/browser/chromeos/login/session/restore_after_crash_session_manager_delegate.h"
+
+class Profile;
+
+namespace chromeos {
+
+class StubLoginSessionManagerDelegate
+    : public RestoreAfterCrashSessionManagerDelegate {
+ public:
+  StubLoginSessionManagerDelegate(Profile* profile,
+                                  const std::string& login_user_id);
+  virtual ~StubLoginSessionManagerDelegate();
+
+ private:
+  // session_manager::SessionManagerDelegate implementation:
+  virtual void Start() OVERRIDE;
+
+  Profile* profile_;
+
+  DISALLOW_COPY_AND_ASSIGN(StubLoginSessionManagerDelegate);
+};
+
+}  // namespace chromeos
+
+#endif  // CHROME_BROWSER_CHROMEOS_LOGIN_SESSION_STUB_LOGIN_SESSION_MANAGER_DELEGATE_H_