Re-land r93365 - add RefCountedString

chrome/browser/ui/webui/ntp/new_tab_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 "build/build_config.h"
 
 #include "chrome/browser/ui/webui/ntp/new_tab_ui.h"
 
 #include <set>
 
@@ skipping 500 matching lines @@
 
   if (AppLauncherHandler::HandlePing(profile_, path)) {
     return;
   } else if (!path.empty() && path[0] != '#') {
     // A path under new-tab was requested; it's likely a bad relative
     // URL from the new tab page, but in any case it's an error.
     NOTREACHED() << path << " should not have been requested on the NTP";
     return;
   }
 
-  scoped_refptr<RefCountedBytes> html_bytes(
+  scoped_refptr<RefCountedMemory> html_bytes(
       NTPResourceCacheFactory::GetForProfile(profile_)->
       GetNewTabHTML(is_incognito));
 
   SendResponse(request_id, html_bytes);
 }
 
 std::string NewTabUI::NewTabHTMLSource::GetMimeType(const std::string&) const {
   return "text/html";
 }
 
 bool NewTabUI::NewTabHTMLSource::ShouldReplaceExistingSource() const {
   return false;
 }