Forwarding POST body into renderer after a cross-site transfer.

content/browser/frame_host/render_frame_host_impl.cc

Index: content/browser/frame_host/render_frame_host_impl.cc
diff --git a/content/browser/frame_host/render_frame_host_impl.cc b/content/browser/frame_host/render_frame_host_impl.cc
index de78df1b008a679665336147ce250c5ad9bf3a98..a6bd781d3313f3a4d084f1549a0f4614f7aee428 100644
--- a/content/browser/frame_host/render_frame_host_impl.cc
+++ b/content/browser/frame_host/render_frame_host_impl.cc
@@ -1183,11 +1183,12 @@ void RenderFrameHostImpl::OnCrossSiteResponse(
     const std::vector<GURL>& transfer_url_chain,
     const Referrer& referrer,
     ui::PageTransition page_transition,
-    bool should_replace_current_entry) {
+    bool should_replace_current_entry,
+    const scoped_refptr<ResourceRequestBody>& resource_request_body) {
   frame_tree_node_->render_manager()->OnCrossSiteResponse(
       this, global_request_id, std::move(cross_site_transferring_request),
       transfer_url_chain, referrer, page_transition,
-      should_replace_current_entry);
+      should_replace_current_entry, resource_request_body);
 }
 
 void RenderFrameHostImpl::SwapOut(