Add a function to add extra headers from NavigationThrottle

content/browser/loader/navigation_url_loader_impl_core.cc

Index: content/browser/loader/navigation_url_loader_impl_core.cc
diff --git a/content/browser/loader/navigation_url_loader_impl_core.cc b/content/browser/loader/navigation_url_loader_impl_core.cc
index f7c1dde688b6b9bfd246b8c1887c8c52a392cf4c..ef5e56c170f4e726807ec284305fa5136362439b 100644
--- a/content/browser/loader/navigation_url_loader_impl_core.cc
+++ b/content/browser/loader/navigation_url_loader_impl_core.cc
@@ -51,11 +51,12 @@ void NavigationURLLoaderImplCore::Start(
       resource_context, *request_info, this, service_worker_handle_core);
 }
 
-void NavigationURLLoaderImplCore::FollowRedirect() {
+void NavigationURLLoaderImplCore::FollowRedirect(
+    const std::vector<std::pair<std::string, std::string>>& extra_headers) {
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
 
   if (resource_handler_)
-    resource_handler_->FollowRedirect();
+    resource_handler_->FollowRedirect(extra_headers);
 }
 
 void NavigationURLLoaderImplCore::NotifyRequestRedirected(