PlzNavigate: properly set the initiator of the navigation

content/browser/loader/resource_dispatcher_host_impl.cc

Index: content/browser/loader/resource_dispatcher_host_impl.cc
diff --git a/content/browser/loader/resource_dispatcher_host_impl.cc b/content/browser/loader/resource_dispatcher_host_impl.cc
index d49707809a51eb1a0d21afe0354c7b41c9a5fa7b..1b7916398a43cad99809328eec4aa058ad408c4c 100644
--- a/content/browser/loader/resource_dispatcher_host_impl.cc
+++ b/content/browser/loader/resource_dispatcher_host_impl.cc
@@ -2162,7 +2162,7 @@ void ResourceDispatcherHostImpl::BeginNavigationRequest(
   new_request->set_method(info.common_params.method);
   new_request->set_first_party_for_cookies(
       info.first_party_for_cookies);
-  new_request->set_initiator(info.request_initiator);
+  new_request->set_initiator(info.begin_params.initiator);
   if (info.is_main_frame) {
     new_request->set_first_party_url_policy(
         net::URLRequest::UPDATE_FIRST_PARTY_URL_ON_REDIRECT);