From e21faaaba7fa76e5e846ca8c9879e1dc469bac1f Mon Sep 17 00:00:00 2001
From: Manish Goregaokar <manishsmail@gmail.com>
Date: Fri, 13 Jun 2014 05:48:47 +0530
Subject: [PATCH] Don't fail on clearing nonexistant timeouts

---
 src/components/script/dom/window.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/components/script/dom/window.rs b/src/components/script/dom/window.rs
index f6036ef9aec..40c553e2f4f 100644
--- a/src/components/script/dom/window.rs
+++ b/src/components/script/dom/window.rs
@@ -61,7 +61,7 @@ impl Hash for TimerId {
 
 impl TimerHandle {
     fn cancel(&mut self) {
-        self.cancel_chan.as_ref().map(|chan| chan.send(()));
+        self.cancel_chan.as_ref().map(|chan| chan.send_opt(()).ok());
     }
 }