From 44ebca72da45575df4e5970e25920c46c14aa0cb Mon Sep 17 00:00:00 2001
From: Gregory Terzian <gterzian@users.noreply.github.com>
Date: Wed, 24 Jun 2020 15:07:48 +0800
Subject: ensure clean shutdown of all threads running JS

---
 components/script_layout_interface/message.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'components/script_layout_interface')

diff --git a/components/script_layout_interface/message.rs b/components/script_layout_interface/message.rs
index 2d1ca34eef3..9e4312fd2d5 100644
--- a/components/script_layout_interface/message.rs
+++ b/components/script_layout_interface/message.rs
@@ -222,7 +222,7 @@ pub struct LayoutThreadInit {
     pub is_parent: bool,
     pub layout_pair: (Sender<Msg>, Receiver<Msg>),
     pub pipeline_port: IpcReceiver<LayoutControlMsg>,
-    pub background_hang_monitor_register: Option<Box<dyn BackgroundHangMonitorRegister>>,
+    pub background_hang_monitor_register: Box<dyn BackgroundHangMonitorRegister>,
     pub constellation_chan: IpcSender<ConstellationMsg>,
     pub script_chan: IpcSender<ConstellationControlMsg>,
     pub image_cache: Arc<dyn ImageCache>,
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