From 6d0e9a6c9d97c214bf909e71e5c38e1c9740486e Mon Sep 17 00:00:00 2001
From: yodalee <lc85301@gmail.com>
Date: Fri, 9 Jan 2015 02:53:20 +0800
Subject: [PATCH] implement formcontrol for htmlbuttonelement

---
 components/script/dom/htmlbuttonelement.rs | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/components/script/dom/htmlbuttonelement.rs b/components/script/dom/htmlbuttonelement.rs
index c84d964e13f..29540407ad7 100644
--- a/components/script/dom/htmlbuttonelement.rs
+++ b/components/script/dom/htmlbuttonelement.rs
@@ -14,6 +14,7 @@ use dom::element::{AttributeHandlers, Element};
 use dom::eventtarget::{EventTarget, EventTargetTypeId};
 use dom::element::ElementTypeId;
 use dom::htmlelement::{HTMLElement, HTMLElementTypeId};
+use dom::htmlformelement::{FormControl};
 use dom::node::{DisabledStateHelpers, Node, NodeHelpers, NodeTypeId, window_from_node};
 use dom::validitystate::ValidityState;
 use dom::virtualmethods::VirtualMethods;
@@ -152,3 +153,9 @@ impl<'a> VirtualMethods for JSRef<'a, HTMLButtonElement> {
     }
 }
 
+impl<'a> FormControl<'a> for JSRef<'a, HTMLButtonElement> {
+    fn to_element(self) -> JSRef<'a, Element> {
+        ElementCast::from_ref(self)
+    }
+}
+