Re-land r93365 - add RefCountedString

chrome/browser/ui/webui/options/options_ui.cc

Index: chrome/browser/ui/webui/options/options_ui.cc
diff --git a/chrome/browser/ui/webui/options/options_ui.cc b/chrome/browser/ui/webui/options/options_ui.cc
index 0ace5df7f70759af5c5b042c10be3dc9caf46d63..de75ec6cf1f00c965496d3f821e063c22fb8a4de 100644
--- a/chrome/browser/ui/webui/options/options_ui.cc
+++ b/chrome/browser/ui/webui/options/options_ui.cc
@@ -116,35 +116,22 @@ OptionsUIHTMLSource::~OptionsUIHTMLSource() {}
 void OptionsUIHTMLSource::StartDataRequest(const std::string& path,
                                            bool is_incognito,
                                            int request_id) {
-  scoped_refptr<RefCountedBytes> response_bytes(new RefCountedBytes);
+  scoped_refptr<RefCountedMemory> response_bytes;
   SetFontAndTextDirection(localized_strings_.get());
 
   if (path == kLocalizedStringsFile) {
     // Return dynamically-generated strings from memory.
-    std::string template_data;
-    jstemplate_builder::AppendJsonJS(localized_strings_.get(), &template_data);
-    response_bytes->data.resize(template_data.size());
-    std::copy(template_data.begin(),
-              template_data.end(),
-              response_bytes->data.begin());
+    std::string strings_js;
+    jstemplate_builder::AppendJsonJS(localized_strings_.get(), &strings_js);
+    response_bytes = base::RefCountedString::TakeString(&strings_js);
   } else if (path == kOptionsBundleJsFile) {
     // Return (and cache) the options javascript code.
-    static const base::StringPiece options_javascript(
-        ResourceBundle::GetSharedInstance().GetRawDataResource(
-            IDR_OPTIONS_BUNDLE_JS));
-    response_bytes->data.resize(options_javascript.size());
-    std::copy(options_javascript.begin(),
-              options_javascript.end(),
-              response_bytes->data.begin());
+    response_bytes = ResourceBundle::GetSharedInstance().LoadDataResourceBytes(
+        IDR_OPTIONS_BUNDLE_JS);
   } else {
     // Return (and cache) the main options html page as the default.
-    static const base::StringPiece options_html(
-        ResourceBundle::GetSharedInstance().GetRawDataResource(
-            IDR_OPTIONS_HTML));
-    response_bytes->data.resize(options_html.size());
-    std::copy(options_html.begin(),
-              options_html.end(),
-              response_bytes->data.begin());
+    response_bytes = ResourceBundle::GetSharedInstance().LoadDataResourceBytes(
+        IDR_OPTIONS_HTML);
   }
 
   SendResponse(request_id, response_bytes);