[cros] user_manager component - move UserManagerBase and UserManager

chrome/browser/chromeos/login/users/scoped_test_user_manager.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_LOGIN_OOBE_SESSION_MANAGER_DELEGATE_H_
-#define CHROME_BROWSER_CHROMEOS_LOGIN_SESSION_LOGIN_OOBE_SESSION_MANAGER_DELEGATE_H_
+#ifndef CHROME_BROWSER_CHROMEOS_LOGIN_USERS_SCOPED_TEST_USER_MANAGER_H_
+#define CHROME_BROWSER_CHROMEOS_LOGIN_USERS_SCOPED_TEST_USER_MANAGER_H_
 
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
-#include "components/session_manager/core/session_manager.h"
 
 namespace chromeos {
 
-class LoginOobeSessionManagerDelegate
-    : public session_manager::SessionManagerDelegate {
+class ChromeUserManager;
+
+// Helper class for unit tests. Initializes the UserManager singleton on
+// construction and tears it down again on destruction.
+class ScopedTestUserManager {
  public:
-  LoginOobeSessionManagerDelegate();
-  virtual ~LoginOobeSessionManagerDelegate();
+  ScopedTestUserManager();
+  ~ScopedTestUserManager();
 
  private:
-  // session_manager::SessionManagerDelegate implementation:
-  virtual void Start() OVERRIDE;
+  scoped_ptr<ChromeUserManager> chrome_user_manager_;
 
-  DISALLOW_COPY_AND_ASSIGN(LoginOobeSessionManagerDelegate);
+  DISALLOW_COPY_AND_ASSIGN(ScopedTestUserManager);
 };
 
 }  // namespace chromeos
 
-#endif  // CHROME_BROWSER_CHROMEOS_LOGIN_SESSION_LOGIN_OOBE_SESSION_MANAGER_DELEGATE_H_
+#endif  // CHROME_BROWSER_CHROMEOS_LOGIN_USERS_SCOPED_TEST_USER_MANAGER_H_