Re-land r93365 - add RefCountedString

chrome/browser/ui/webui/chromeos/login/oobe_ui.cc

 // Copyright (c) 2011 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/chromeos/login/oobe_ui.h"
 
 #include <string>
 
 #include "base/logging.h"
 #include "base/memory/ref_counted_memory.h"
@@ skipping 95 matching lines @@
     response = jstemplate_builder::GetI18nTemplateHtml(
         html, localized_strings_.get());
   } else if (path == kEnterpriseEnrollmentGaiaLoginPath) {
     static const base::StringPiece html(
         ResourceBundle::GetSharedInstance().GetRawDataResource(
             IDR_GAIA_LOGIN_HTML));
     response = jstemplate_builder::GetI18nTemplateHtml(
         html, localized_strings_.get());
   }
 
-  scoped_refptr<RefCountedBytes> html_bytes(new RefCountedBytes());
-  html_bytes->data.resize(response.size());
-  std::copy(response.begin(), response.end(), html_bytes->data.begin());
-
-  SendResponse(request_id, html_bytes);
+  SendResponse(request_id, base::RefCountedString::TakeString(&response));
 }
 
 // CoreOobeHandler ------------------------------------------------------------
 
 CoreOobeHandler::CoreOobeHandler(OobeUI* oobe_ui)
     : oobe_ui_(oobe_ui) {
 }
 
 CoreOobeHandler::~CoreOobeHandler() {
 }
@@ skipping 126 matching lines @@
   for (size_t i = 1; i < handlers_.size(); ++i) {
     static_cast<BaseScreenHandler*>(handlers_[i])->InitializeBase();
   }
 }
 
 void OobeUI::ShowSigninScreen() {
   signin_screen_handler_->Show();
 }
 
 }  // namespace chromeos