[cros] Use mocked URLFetcher and other mocks in ExistingUserController tests.

chrome/browser/chromeos/login/wizard_controller_browsertest.cc

 // Copyright (c) 2012 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 "base/command_line.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/browser_shutdown.h"
 #include "chrome/browser/chromeos/login/base_login_display_host.h"
 #include "chrome/browser/chromeos/login/enrollment/enterprise_enrollment_screen.h"
@@ skipping 226 matching lines @@
 
 IN_PROC_BROWSER_TEST_F(WizardControllerFlowTest,
                        ControlFlowEnterpriseAutoEnrollmentCompleted) {
   CommandLine::ForCurrentProcess()->AppendSwitchASCII(
       switches::kLoginScreen,
       WizardController::kLoginScreenName);
 
   EXPECT_EQ(controller()->GetNetworkScreen(), controller()->current_screen());
   EXPECT_CALL(*mock_update_screen_, StartUpdate()).Times(0);
 
-  LoginUtils::Set(new MockLoginUtils(kUsername, kPassword));
+  LoginUtils::Set(new TestLoginUtils(kUsername, kPassword));
   MockConsumer mock_consumer;
 
   // Must have a pending signin to resume after auto-enrollment:
   BaseLoginDisplayHost::default_host()->StartSignInScreen();
   EXPECT_FALSE(ExistingUserController::current_controller() == NULL);
   ExistingUserController::current_controller()->DoAutoEnrollment();
   ExistingUserController::current_controller()->set_login_status_consumer(
       &mock_consumer);
   // This calls StartWizard, destroying the current controller() and its mocks;
   // don't set expectations on those objects.
@@ skipping 13 matching lines @@
   MessageLoop::current()->RunAllPending();
   set_controller(NULL);
 }
 
 // TODO(nkostylev): Add test for WebUI accelerators http://crosbug.com/22571
 
 COMPILE_ASSERT(ScreenObserver::EXIT_CODES_COUNT == 15,
                add_tests_for_new_control_flow_you_just_introduced);
 
 }  // namespace chromeos