Add a Key class

chrome/browser/chromeos/login/lock/screen_locker_tester.cc

 // 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.
 
 #include "chrome/browser/chromeos/login/lock/screen_locker_tester.h"
 
 #include <string>
 
 #include "base/strings/string_util.h"
 #include "base/strings/stringprintf.h"
@@ skipping 183 matching lines @@
 
 ScreenLockerTester::~ScreenLockerTester() {
 }
 
 bool ScreenLockerTester::IsLocked() {
   return ScreenLocker::screen_locker_ &&
       ScreenLocker::screen_locker_->locked_;
 }
 
 void ScreenLockerTester::InjectMockAuthenticator(
-    const std::string& user, const std::string& password) {
+    const UserContext& user_context) {
   DCHECK(ScreenLocker::screen_locker_);
   ScreenLocker::screen_locker_->SetAuthenticator(
-      new MockAuthenticator(ScreenLocker::screen_locker_, user, password));
+      new MockAuthenticator(ScreenLocker::screen_locker_, user_context));
 }
 
 }  // namespace test
 
 test::ScreenLockerTester* ScreenLocker::GetTester() {
   return new test::WebUIScreenLockerTester();
 }
 
 }  // namespace chromeos