Remove old template html boilerplate

chrome/browser/ui/webui/signin/profile_signin_confirmation_ui.cc

 // Copyright (c) 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/ui/webui/signin/profile_signin_confirmation_ui.h"
 
 #include "base/values.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/common/url_constants.h"
 #include "chrome/grit/chromium_strings.h"
 #include "chrome/grit/generated_resources.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/browser/web_ui.h"
 #include "content/public/browser/web_ui_data_source.h"
 #include "grit/browser_resources.h"
 
 ProfileSigninConfirmationUI::ProfileSigninConfirmationUI(content::WebUI* web_ui)
   : ConstrainedWebDialogUI(web_ui) {
   content::WebUIDataSource* html_source = content::WebUIDataSource::Create(
       chrome::kChromeUIProfileSigninConfirmationHost);
-  html_source->SetUseJsonJSFormatV2();
 
   html_source->AddLocalizedString(
       "createProfileButtonText",
       IDS_ENTERPRISE_SIGNIN_CREATE_NEW_PROFILE);
   html_source->AddLocalizedString(
       "continueButtonText",
       IDS_ENTERPRISE_SIGNIN_CONTINUE);
   html_source->AddLocalizedString("okButtonText", IDS_OK);
   html_source->AddLocalizedString(
       "cancelButtonText",
@@ skipping 18 matching lines @@
   html_source->AddResourcePath("profile_signin_confirmation.css",
                                IDR_PROFILE_SIGNIN_CONFIRMATION_CSS);
   html_source->SetDefaultResource(IDR_PROFILE_SIGNIN_CONFIRMATION_HTML);
 
   Profile* profile = Profile::FromWebUI(web_ui);
   content::WebUIDataSource::Add(profile, html_source);
 }
 
 ProfileSigninConfirmationUI::~ProfileSigninConfirmationUI() {
 }