Plumb opener information when creating RenderFrames and RenderFrameProxies for subframes.

content/browser/frame_host/render_frame_proxy_host.cc

Index: content/browser/frame_host/render_frame_proxy_host.cc
diff --git a/content/browser/frame_host/render_frame_proxy_host.cc b/content/browser/frame_host/render_frame_proxy_host.cc
index e9e0edd05fad67c861f2f9571410424840a8f850..2ef3d264d614746cf3d1e7566044741685922488 100644
--- a/content/browser/frame_host/render_frame_proxy_host.cc
+++ b/content/browser/frame_host/render_frame_proxy_host.cc
@@ -185,11 +185,18 @@ bool RenderFrameProxyHost::InitRenderFrameProxy() {
     CHECK_NE(parent_routing_id, MSG_ROUTING_NONE);
   }
 
+  int opener_routing_id = MSG_ROUTING_NONE;
+  if (frame_tree_node_->opener()) {
+    opener_routing_id = frame_tree_node_->render_manager()->GetOpenerRoutingID(
+        site_instance_.get());
+  }
+
   Send(new FrameMsg_NewFrameProxy(routing_id_,
-                                  parent_routing_id,
                                   frame_tree_node_->frame_tree()
                                       ->GetRenderViewHost(site_instance_.get())
                                       ->GetRoutingID(),
+                                  opener_routing_id,
+                                  parent_routing_id,
                                   frame_tree_node_
                                       ->current_replication_state()));