session_manager: Create ChromeSessionManager early

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 <memory>
-#include <string>
-
-#include "base/macros.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);
-  ~StubLoginSessionManagerDelegate() override;
-
- private:
-  // session_manager::SessionManagerDelegate implementation:
-  void Start() override;
-
-  DISALLOW_COPY_AND_ASSIGN(StubLoginSessionManagerDelegate);
-};
-
-}  // namespace chromeos
-
-#endif  // CHROME_BROWSER_CHROMEOS_LOGIN_SESSION_STUB_LOGIN_SESSION_MANAGER_DELEGATE_H_