Re-land r93365 - add RefCountedString

chrome/browser/ui/webui/chromeos/proxy_settings_ui.cc

Index: chrome/browser/ui/webui/chromeos/proxy_settings_ui.cc
diff --git a/chrome/browser/ui/webui/chromeos/proxy_settings_ui.cc b/chrome/browser/ui/webui/chromeos/proxy_settings_ui.cc
index da4e0bdde87f11514c305902553b0a9014a01fa6..c06d6c3d1a76d8e8d6e5b72c107b0138b850d32a 100644
--- a/chrome/browser/ui/webui/chromeos/proxy_settings_ui.cc
+++ b/chrome/browser/ui/webui/chromeos/proxy_settings_ui.cc
@@ -53,14 +53,10 @@ void ProxySettingsHTMLSource::StartDataRequest(const std::string& path,
   static const base::StringPiece html(
       ResourceBundle::GetSharedInstance().GetRawDataResource(
           IDR_PROXY_SETTINGS_HTML));
-  const std::string full_html = jstemplate_builder::GetI18nTemplateHtml(
+  std::string full_html = jstemplate_builder::GetI18nTemplateHtml(
       html, localized_strings_.get());
 
-  scoped_refptr<RefCountedBytes> html_bytes(new RefCountedBytes);
-  html_bytes->data.resize(full_html.size());
-  std::copy(full_html.begin(), full_html.end(), html_bytes->data.begin());
-
-  SendResponse(request_id, html_bytes);
+  SendResponse(request_id, base::RefCountedString::TakeString(&full_html));
 }
 
 }  // namespace