DO NOT COMMIT: hack hack hacking on preloading md-settings

content/public/browser/url_data_source.cc

Index: content/public/browser/url_data_source.cc
diff --git a/content/public/browser/url_data_source.cc b/content/public/browser/url_data_source.cc
index 894c6e2dc72652df840fdc611d3426f57e9d92c3..57d57a7f3a66f8270fddc98fc823b04a2449c843 100644
--- a/content/public/browser/url_data_source.cc
+++ b/content/public/browser/url_data_source.cc
@@ -60,6 +60,10 @@ bool URLDataSource::ShouldDenyXFrameOptions() const {
   return true;
 }
 
+std::vector<std::string> URLDataSource::GetPreloadHeaders() const {
+  return std::vector<std::string>();
+}
+
 bool URLDataSource::ShouldServiceRequest(const net::URLRequest* request) const {
   if (request->url().SchemeIs(kChromeDevToolsScheme) ||
       request->url().SchemeIs(kChromeUIScheme))