PlzNavigate: provide the FrameTreeNode ID to the network stack

content/browser/frame_host/navigation_request_info.cc

Index: content/browser/frame_host/navigation_request_info.cc
diff --git a/content/browser/frame_host/navigation_request_info.cc b/content/browser/frame_host/navigation_request_info.cc
index 76b98c36d5f59ff77f59556e78d5c40462debb39..aaa01b86bb1712e5c4a63ffae5db2f99f6dc4716 100644
--- a/content/browser/frame_host/navigation_request_info.cc
+++ b/content/browser/frame_host/navigation_request_info.cc
@@ -12,12 +12,14 @@ NavigationRequestInfo::NavigationRequestInfo(
     const GURL& first_party_for_cookies,
     bool is_main_frame,
     bool parent_is_main_frame,
+    int64 frame_tree_node_id,
     scoped_refptr<ResourceRequestBody> request_body)
     : common_params(common_params),
       begin_params(begin_params),
       first_party_for_cookies(first_party_for_cookies),
       is_main_frame(is_main_frame),
       parent_is_main_frame(parent_is_main_frame),
+      frame_tree_node_id(frame_tree_node_id),
       request_body(request_body) {
 }