Re-land r93365 - add RefCountedString

chrome/browser/ui/login/login_prompt_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/login/login_prompt.h"
 
 #include <string>
 
 #include "base/json/json_reader.h"
 #include "base/utf_string_conversions.h"
@@ skipping 28 matching lines @@
                    l10n_util::GetStringUTF16(IDS_LOGIN_DIALOG_OK_BUTTON_LABEL));
     dict.SetString("cancel", l10n_util::GetStringUTF16(IDS_CANCEL));
 
     SetFontAndTextDirection(&dict);
 
     const base::StringPiece html(
         ResourceBundle::GetSharedInstance().GetRawDataResource(
             IDR_HTTP_AUTH_HTML));
     std::string response = jstemplate_builder::GetI18nTemplateHtml(html, &dict);
 
-    // Send the response.
-    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));
   }
 
   virtual std::string GetMimeType(const std::string& path) const {
     return "text/html";
   }
 
   static void RegisterDataSource(Profile *profile) {
     ChromeURLDataManager* url_manager = profile->GetChromeURLDataManager();
     LoginHandlerSource *source = new LoginHandlerSource();
     url_manager->AddDataSource(source);
@@ skipping 187 matching lines @@
   SetDialog(dialog);
 
   NotifyAuthNeeded();
 }
 
 // static
 LoginHandler* LoginHandler::Create(net::AuthChallengeInfo* auth_info,
                                    net::URLRequest* request) {
   return new LoginHandlerHtml(auth_info, request);
 }