From d779573fe08e62032b7f73c75546103df445b60e Mon Sep 17 00:00:00 2001
From: Paul Rouget <me@paulrouget.com>
Date: Wed, 6 Nov 2019 12:04:31 +0100
Subject: [PATCH] Print an error if Glutin port needs to manage a new tab

---
 ports/glutin/browser.rs | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/ports/glutin/browser.rs b/ports/glutin/browser.rs
index 7255390fdf6..e3da4d13d61 100644
--- a/ports/glutin/browser.rs
+++ b/ports/glutin/browser.rs
@@ -346,6 +346,8 @@ where
                     self.browsers.push(new_browser_id);
                     if self.browser_id.is_none() {
                         self.browser_id = Some(new_browser_id);
+                    } else {
+                        error!("Multiple top level browsing contexts not supported yet.");
                     }
                     self.event_queue
                         .push(WindowEvent::SelectBrowser(new_browser_id));