diff --git a/components/script/dom/htmltextareaelement.rs b/components/script/dom/htmltextareaelement.rs
index 2798305da1d5..359fe4d8a19e 100755
--- a/components/script/dom/htmltextareaelement.rs
+++ b/components/script/dom/htmltextareaelement.rs
@@ -22,7 +22,7 @@ use dom::htmlelement::HTMLElement;
use dom::htmlfieldsetelement::HTMLFieldSetElement;
use dom::htmlformelement::{FormControl, HTMLFormElement};
use dom::keyboardevent::KeyboardEvent;
-use dom::node::{ChildrenMutation, Node, NodeDamage, UnbindContext};
+use dom::node::{CloneChildrenFlag, ChildrenMutation, Node, NodeDamage, UnbindContext};
use dom::node::{document_from_node, window_from_node};
use dom::nodelist::NodeList;
use dom::textcontrol::{TextControlElement, TextControlSelection};
@@ -420,6 +420,19 @@ impl VirtualMethods for HTMLTextAreaElement {
}
}
+ // The cloning steps for textarea elements must propagate the raw value
+ // and dirty value flag from the node being cloned to the copy.
+ fn cloning_steps(&self, copy: &Node, maybe_doc: Option<&Document>,
+ clone_children: CloneChildrenFlag) {
+ if let Some(ref s) = self.super_type() {
+ s.cloning_steps(copy, maybe_doc, clone_children);
+ }
+ let el = copy.downcast::().unwrap();
+ el.value_dirty.set(self.value_dirty.get());
+ let mut textinput = el.textinput.borrow_mut();
+ textinput.set_content(self.textinput.borrow().get_content());
+ }
+
fn children_changed(&self, mutation: &ChildrenMutation) {
if let Some(ref s) = self.super_type() {
s.children_changed(mutation);
diff --git a/tests/wpt/metadata/html/semantics/forms/the-textarea-element/cloning-steps.html.ini b/tests/wpt/metadata/html/semantics/forms/the-textarea-element/cloning-steps.html.ini
deleted file mode 100644
index 628f7ff79f36..000000000000
--- a/tests/wpt/metadata/html/semantics/forms/the-textarea-element/cloning-steps.html.ini
+++ /dev/null
@@ -1,8 +0,0 @@
-[cloning-steps.html]
- type: testharness
- [textarea element's value should be cloned]
- expected: FAIL
-
- [textarea element's dirty value flag should be cloned, so setAttribute doesn't affect the cloned textarea's value]
- expected: FAIL
-