Re-land r93365 - add RefCountedString

chrome/browser/ui/webui/active_downloads_ui.cc

Index: chrome/browser/ui/webui/active_downloads_ui.cc
diff --git a/chrome/browser/ui/webui/active_downloads_ui.cc b/chrome/browser/ui/webui/active_downloads_ui.cc
index 4047c25a409e9b6e8d12e0d9228a44b0c682f594..59a6db7860a965802f4e6c3954d06592f06cd4e2 100644
--- a/chrome/browser/ui/webui/active_downloads_ui.cc
+++ b/chrome/browser/ui/webui/active_downloads_ui.cc
@@ -129,14 +129,10 @@ void ActiveDownloadsUIHTMLSource::StartDataRequest(const std::string& path,
   static const base::StringPiece active_downloads_html(
       ResourceBundle::GetSharedInstance().GetRawDataResource(
           IDR_ACTIVE_DOWNLOADS_HTML));
-  const std::string full_html = jstemplate_builder::GetI18nTemplateHtml(
+  std::string full_html = jstemplate_builder::GetI18nTemplateHtml(
       active_downloads_html, &localized_strings);
 
-  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