Removed webui_generator and new OOBE UI placeholder.

chrome/browser/chromeos/oobe/oobe.cc

-// Copyright 2015 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/prefs/pref_service.h"
-#include "chrome/browser/browser_process.h"
-#include "chrome/browser/chromeos/oobe/oobe.h"
-#include "chrome/browser/lifetime/application_lifetime.h"
-#include "chrome/common/pref_names.h"
-
-namespace chromeos {
-
-// static
-void Oobe::Register() {
-  gen::OobeViewModel::SetFactory(
-      [](content::BrowserContext* context)
-          -> gen::OobeViewModel* { return new Oobe(); });
-}
-
-Oobe::Oobe() {
-}
-
-Oobe::~Oobe() {
-}
-
-void Oobe::Initialize() {
-}
-
-void Oobe::OnButtonClicked() {
-  g_browser_process->local_state()->SetBoolean(prefs::kNewOobe, false);
-  chrome::AttemptRestart();
-}
-
-}  // namespace chromeos