From 11c21d3b1d0f2f202d505c79cff20bf7c883d78e Mon Sep 17 00:00:00 2001
From: Ms2ger <Ms2ger@gmail.com>
Date: Fri, 6 Jan 2017 16:23:57 +0100
Subject: Introduce CallbackObject::new().

---
 components/script/dom/bindings/callback.rs | 18 +++++++++++-------
 1 file changed, 11 insertions(+), 7 deletions(-)

(limited to 'components/script/dom/bindings/callback.rs')

diff --git a/components/script/dom/bindings/callback.rs b/components/script/dom/bindings/callback.rs
index a9846477ac4..897cc3bd39f 100644
--- a/components/script/dom/bindings/callback.rs
+++ b/components/script/dom/bindings/callback.rs
@@ -33,12 +33,20 @@ pub enum ExceptionHandling {
 
 /// A common base class for representing IDL callback function and
 /// callback interface types.
-#[derive(JSTraceable)]
+#[derive(Default, JSTraceable)]
 struct CallbackObject {
     /// The underlying `JSObject`.
     callback: Heap<*mut JSObject>,
 }
 
+impl CallbackObject {
+    fn new() -> CallbackObject {
+        CallbackObject {
+            callback: Heap::default(),
+        }
+    }
+}
+
 impl PartialEq for CallbackObject {
     fn eq(&self, other: &CallbackObject) -> bool {
         self.callback.get() == other.callback.get()
@@ -66,9 +74,7 @@ impl CallbackFunction {
     /// Create a new `CallbackFunction` for this object.
     pub fn new() -> CallbackFunction {
         CallbackFunction {
-            object: CallbackObject {
-                callback: Heap::default(),
-            },
+            object: CallbackObject::new(),
         }
     }
 
@@ -95,9 +101,7 @@ impl CallbackInterface {
     /// Create a new CallbackInterface object for the given `JSObject`.
     pub fn new() -> CallbackInterface {
         CallbackInterface {
-            object: CallbackObject {
-                callback: Heap::default(),
-            },
+            object: CallbackObject::new(),
         }
     }
 
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