cros: Transfer auth cookies for SAML webview sign-in.

chrome/browser/chromeos/login/existing_user_controller.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/existing_user_controller.h"
 
 #include <vector>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 571 matching lines @@
   // once profile is loaded.
   password_changed_ = login_performer_->password_changed();
   auth_mode_ = login_performer_->auth_mode();
 
   ChromeUserManager::Get()
       ->GetUserFlow(user_context.GetUserID())
       ->HandleLoginSuccess(user_context);
 
   StopPublicSessionAutoLoginTimer();
 
+  // Truth table of |has_auth_cookies|:
+  //                          Regular        SAML
+  //  /ServiceLogin              T            T
+  //  /ChromeOsEmbeddedSetup     F            T
+  //  Bootstrap experiment       F            N/A
   const bool has_auth_cookies =
       login_performer_->auth_mode() == LoginPerformer::AUTH_MODE_EXTENSION &&
-      user_context.GetAuthCode().empty() &&
+      (user_context.GetAuthCode().empty() ||
+       user_context.GetAuthFlow() == UserContext::AUTH_FLOW_GAIA_WITH_SAML) &&
       user_context.GetAuthFlow() != UserContext::AUTH_FLOW_EASY_BOOTSTRAP;
 
   // LoginPerformer instance will delete itself in case of successful auth.
   login_performer_->set_delegate(NULL);
   ignore_result(login_performer_.release());
 
   UserSessionManager::StartSessionType start_session_type =
       UserAddingScreen::Get()->IsRunning()
           ? UserSessionManager::SECONDARY_USER_SESSION
           : UserSessionManager::PRIMARY_USER_SESSION;
@@ skipping 589 matching lines @@
 
   // Setting a customized login user flow to perform additional initializations
   // for bootstrap after the user session is started.
   ChromeUserManager::Get()->SetUserFlow(user_context.GetUserID(),
                                         new BootstrapUserFlow(user_context));
 
   PerformLogin(user_context, LoginPerformer::AUTH_MODE_EXTENSION);
 }
 
 }  // namespace chromeos