[cros] Cleanup login auth stack: remove ClientLogin legacy code

chrome/browser/chromeos/login/mock_authenticator.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 "chrome/browser/chromeos/login/mock_authenticator.h"
 
 #include "base/bind.h"
 #include "chrome/browser/chromeos/login/user.h"
 #include "content/public/browser/browser_thread.h"
 
 using content::BrowserThread;
 
 namespace chromeos {
 
 void MockAuthenticator::AuthenticateToLogin(Profile* profile,
-                                            const UserContext& user_context,
-                                            const std::string& login_token,
-                                            const std::string& login_captcha) {
+                                            const UserContext& user_context) {
   if (expected_username_ == user_context.username &&
       expected_password_ == user_context.password) {
     BrowserThread::PostTask(BrowserThread::UI, FROM_HERE,
         base::Bind(&MockAuthenticator::OnLoginSuccess, this, false));
     return;
   }
   GoogleServiceAuthError error(
       GoogleServiceAuthError::INVALID_GAIA_CREDENTIALS);
   BrowserThread::PostTask(BrowserThread::UI, FROM_HERE,
       base::Bind(&MockAuthenticator::OnLoginFailure, this,
                  LoginFailure::FromNetworkAuthFailure(error)));
 }
 
 void MockAuthenticator::CompleteLogin(Profile* profile,
                                       const UserContext& user_context) {
   CHECK_EQ(expected_username_, user_context.username);
   CHECK_EQ(expected_password_, user_context.password);
   OnLoginSuccess(false);
 }
 
 void MockAuthenticator::AuthenticateToUnlock(
     const UserContext& user_context) {
-  AuthenticateToLogin(NULL /* not used */, user_context,
-                      std::string(), std::string());
+  AuthenticateToLogin(NULL /* not used */, user_context);
 }
 
 void MockAuthenticator::LoginAsLocallyManagedUser(
     const UserContext& user_context) {
   consumer_->OnLoginSuccess(UserContext(expected_username_,
                                         std::string(),
                                         std::string(),
                                         user_context.username), // username_hash
                             false,
                             false);
@@ skipping 42 matching lines @@
 }
 
 void MockAuthenticator::SetExpectedCredentials(
     const std::string& expected_username,
     const std::string& expected_password) {
   expected_username_ = expected_username;
   expected_password_ = expected_password;
 }
 
 }  // namespace chromeos