[session_manager] Move user session initialization code out of ExistingUserController

chrome/browser/chromeos/app_mode/kiosk_profile_loader.cc

 // Copyright 2013 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/app_mode/kiosk_profile_loader.h"
 
 #include "base/logging.h"
 #include "base/memory/weak_ptr.h"
 #include "base/message_loop/message_loop.h"
 #include "base/strings/string_util.h"
@@ skipping 165 matching lines @@
 
 void KioskProfileLoader::PolicyLoadFailed() {
   ReportLaunchResult(KioskAppLaunchError::POLICY_LOAD_FAILED);
 }
 
 void KioskProfileLoader::OnOnlineChecked(
     const std::string& email, bool success) {
   NOTREACHED();
 }
 
-void KioskProfileLoader::OnProfilePrepared(Profile* profile) {
+void KioskProfileLoader::OnProfilePrepared(Profile* profile,
+                                           bool browser_launched) {
   // This object could be deleted any time after successfully reporting
   // a profile load, so invalidate the LoginUtils delegate now.
   LoginUtils::Get()->DelegateDeleted(this);
 
   delegate_->OnProfileLoaded(profile);
   ReportLaunchResult(KioskAppLaunchError::NONE);
 }
 
 }  // namespace chromeos