Re-land r93365 - add RefCountedString

chrome/browser/ui/webui/textfields_ui.cc

Index: chrome/browser/ui/webui/textfields_ui.cc
diff --git a/chrome/browser/ui/webui/textfields_ui.cc b/chrome/browser/ui/webui/textfields_ui.cc
index 819048e5b82e43d3dad24d217c16d29992e475d4..c7385f6391c4e314aa07958952205d94e10195c5 100644
--- a/chrome/browser/ui/webui/textfields_ui.cc
+++ b/chrome/browser/ui/webui/textfields_ui.cc
@@ -29,14 +29,8 @@ TextfieldsUIHTMLSource::TextfieldsUIHTMLSource()
 void TextfieldsUIHTMLSource::StartDataRequest(const std::string& path,
                                               bool is_incognito,
                                               int request_id) {
-  const std::string full_html = ResourceBundle::GetSharedInstance()
-      .GetRawDataResource(IDR_TEXTFIELDS_HTML).as_string();
-
-  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, ResourceBundle::GetSharedInstance()
+                           .LoadDataResourceBytes(IDR_TEXTFIELDS_HTML));
 }
 
 std::string TextfieldsUIHTMLSource::GetMimeType(