session_manager: Create ChromeSessionManager early

chrome/browser/chromeos/login/session/restore_after_crash_session_initializer.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_RESTORE_AFTER_CRASH_SESSION_MANAGER_DELEGATE_H_
-#define CHROME_BROWSER_CHROMEOS_LOGIN_SESSION_RESTORE_AFTER_CRASH_SESSION_MANAGER_DELEGATE_H_
+#ifndef CHROME_BROWSER_CHROMEOS_LOGIN_SESSION_RESTORE_AFTER_CRASH_SESSION_INITIALIZER_H_
+#define CHROME_BROWSER_CHROMEOS_LOGIN_SESSION_RESTORE_AFTER_CRASH_SESSION_INITIALIZER_H_
 
-#include <memory>
 #include <string>
 
 #include "base/macros.h"
-#include "components/session_manager/core/session_manager.h"
 
 class Profile;
 
 namespace chromeos {
 
-class RestoreAfterCrashSessionManagerDelegate
-    : public session_manager::SessionManagerDelegate {
+class RestoreAfterCrashSessionInitializer {
  public:
-  RestoreAfterCrashSessionManagerDelegate(Profile* profile,
-                                          const std::string& login_user_id);
-  ~RestoreAfterCrashSessionManagerDelegate() override;
+  RestoreAfterCrashSessionInitializer(Profile* profile,
+                                      const std::string& login_user_id);
+  virtual ~RestoreAfterCrashSessionInitializer();
+
+  virtual void Start();
 
  protected:
-  // session_manager::SessionManagerDelegate implementation:
-  void Start() override;
-
   Profile* profile() { return profile_; }
   const std::string& login_user_id() const { return login_user_id_; }
 
  private:
-  Profile* profile_;
+  Profile* const profile_;
   const std::string login_user_id_;
 
-  DISALLOW_COPY_AND_ASSIGN(RestoreAfterCrashSessionManagerDelegate);
+  DISALLOW_COPY_AND_ASSIGN(RestoreAfterCrashSessionInitializer);
 };
 
 }  // namespace chromeos
 
-#endif  // CHROME_BROWSER_CHROMEOS_LOGIN_SESSION_RESTORE_AFTER_CRASH_SESSION_MANAGER_DELEGATE_H_
+#endif  // CHROME_BROWSER_CHROMEOS_LOGIN_SESSION_RESTORE_AFTER_CRASH_SESSION_INITIALIZER_H_