From 663801ed79eefc6d20511cade9efb6cdf6e905dc Mon Sep 17 00:00:00 2001
From: Dongie Agnir <dongie.agnir@gmail.com>
Date: Fri, 23 Oct 2015 13:16:52 -1000
Subject: [PATCH] ask for reset and pick on option insert.

---
 components/script/dom/htmloptionelement.rs | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/components/script/dom/htmloptionelement.rs b/components/script/dom/htmloptionelement.rs
index c88919e968b..c4fa7267301 100644
--- a/components/script/dom/htmloptionelement.rs
+++ b/components/script/dom/htmloptionelement.rs
@@ -197,6 +197,15 @@ impl VirtualMethods for HTMLOptionElement {
         }
 
         self.upcast::<Element>().check_parent_disabled_state_for_option();
+
+        let node = self.upcast::<Node>();
+        if self.Selected() {
+            if let Some(select) = node.ancestors()
+                    .filter_map(Root::downcast::<HTMLSelectElement>)
+                    .next() {
+                select.pick_option(self);
+            }
+        }
     }
 
     fn unbind_from_tree(&self, tree_in_doc: bool) {