Add a Key class

chrome/browser/chromeos/login/lock/screen_locker_tester.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_LOCK_SCREEN_LOCKER_TESTER_H_
 #define CHROME_BROWSER_CHROMEOS_LOGIN_LOCK_SCREEN_LOCKER_TESTER_H_
 
 #include <string>
 
 #include "base/basictypes.h"
 
 namespace views {
 class Widget;
 }  // namespace views
 
 namespace chromeos {
 
+class UserContext;
+
 namespace test {
 
 // ScreenLockerTester provides access to the private state/function
 // of ScreenLocker class. Used to implement unit tests.
 class ScreenLockerTester {
  public:
   ScreenLockerTester();
   virtual ~ScreenLockerTester();
 
   // Returns true if the screen is locked.
   virtual bool IsLocked();
 
-  // Injects MockAuthenticate that uses given |user| and |password|.
-  virtual void InjectMockAuthenticator(const std::string& user,
-                                       const std::string& password);
+  // Injects MockAuthenticator that uses the credentials in |user_context|.
+  virtual void InjectMockAuthenticator(const UserContext& user_context);
 
   // Sets the password text.
   virtual void SetPassword(const std::string& password) = 0;
 
   // Gets the password text.
   virtual std::string GetPassword() = 0;
 
   // Emulates entring a password.
   virtual void EnterPassword(const std::string& password) = 0;
 
   // Emulates the ready message from window manager.
   virtual void EmulateWindowManagerReady() = 0;
 
   // Returns the widget for screen locker window.
   virtual views::Widget* GetWidget() const = 0;
 
   virtual views::Widget* GetChildWidget() const = 0;
 };
 
 }  // namespace test
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_LOCK_SCREEN_LOCKER_TESTER_H_