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-rw-r--r--components/script/dom/htmlbuttonelement.rs2
1 files changed, 2 insertions, 0 deletions
diff --git a/components/script/dom/htmlbuttonelement.rs b/components/script/dom/htmlbuttonelement.rs
index 927ac9688c7..b1cc150fe52 100644
--- a/components/script/dom/htmlbuttonelement.rs
+++ b/components/script/dom/htmlbuttonelement.rs
@@ -29,6 +29,7 @@ use std::cell::Cell;
#[derive(JSTraceable, PartialEq, Copy, Clone)]
#[allow(dead_code)]
+#[derive(HeapSizeOf)]
enum ButtonType {
ButtonSubmit,
ButtonReset,
@@ -37,6 +38,7 @@ enum ButtonType {
}
#[dom_struct]
+#[derive(HeapSizeOf)]
pub struct HTMLButtonElement {
htmlelement: HTMLElement,
button_type: Cell<ButtonType>