Removed webui_generator and new OOBE UI placeholder.

ui/oobe/oobe_md_ui.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/strings/string_util.h"
-#include "content/public/browser/web_contents.h"
-#include "content/public/browser/web_ui_data_source.h"
-#include "grit/oobe_resources.h"
-#include "grit/oobe_resources_map.h"
-#include "ui/oobe/declarations/oobe_web_ui_view.h"
-#include "ui/oobe/oobe_md_ui.h"
-
-namespace {
-
-void SetUpDataSource(content::WebUIDataSource* source) {
-  source->SetJsonPath("strings.js");
-  source->AddResourcePath("", IDR_OOBE_UI_HTML);
-
-  // Add all resources defined in "oobe_resources.grd" file at once.
-  const char prefix[] = "resources/";
-  const size_t prefix_length = arraysize(prefix) - 1;
-  for (size_t i = 0; i < kOobeResourcesSize; ++i) {
-    std::string name = kOobeResources[i].name;
-    DCHECK(base::StartsWithASCII(name, prefix, true));
-    source->AddResourcePath(name.substr(prefix_length),
-                            kOobeResources[i].value);
-  }
-}
-
-}  // namespace
-
-OobeMdUI::OobeMdUI(content::WebUI* web_ui, const std::string& host)
-    : WebUIController(web_ui) {
-  content::WebUIDataSource* source = content::WebUIDataSource::Create(host);
-  SetUpDataSource(source);
-
-  view_.reset(new gen::OobeWebUIView(web_ui));
-  view_->Init();
-  view_->SetUpDataSource(source);
-
-  content::WebUIDataSource::Add(web_ui->GetWebContents()->GetBrowserContext(),
-                                source);
-}
-
-OobeMdUI::~OobeMdUI() {}