Plumb opener information when creating RenderFrames and RenderFrameProxies for subframes.

content/browser/frame_host/render_frame_host_impl.h

Index: content/browser/frame_host/render_frame_host_impl.h
diff --git a/content/browser/frame_host/render_frame_host_impl.h b/content/browser/frame_host/render_frame_host_impl.h
index 042f8df2b0e72b518376f6efa326f40956a1f8fd..9cafa911d49289328d4a6fca7e252c7404437e74 100644
--- a/content/browser/frame_host/render_frame_host_impl.h
+++ b/content/browser/frame_host/render_frame_host_impl.h
@@ -197,7 +197,8 @@ class CONTENT_EXPORT RenderFrameHostImpl
   // cross-process subframe navigations in --site-per-process.
   bool CreateRenderFrame(int parent_routing_id,
                          int previous_sibling_routing_id,
-                         int proxy_routing_id);
+                         int proxy_routing_id,
+                         int opener_routing_id);
 
   // Tracks whether the RenderFrame for this RenderFrameHost has been created in
   // the renderer process.  This is currently only used for subframes.