PlzNavigate: support the WebRequest API

content/browser/loader/resource_request_info_impl.cc

Index: content/browser/loader/resource_request_info_impl.cc
diff --git a/content/browser/loader/resource_request_info_impl.cc b/content/browser/loader/resource_request_info_impl.cc
index 90a17d5fe64ba334784662389c9c0ab31cef21d4..18bd89ac6a50cb618a810fe4ba2c6162daf42b25 100644
--- a/content/browser/loader/resource_request_info_impl.cc
+++ b/content/browser/loader/resource_request_info_impl.cc
@@ -305,6 +305,10 @@ bool ResourceRequestInfoImpl::ShouldReportRawHeaders() const {
   return report_raw_headers_;
 }
 
+NavigationUIData* ResourceRequestInfoImpl::GetNavigationUIData() const {
+  return navigation_ui_data_.get();
+}
+
 void ResourceRequestInfoImpl::AssociateWithRequest(net::URLRequest* request) {
   request->SetUserData(NULL, this);
   int render_process_id;