Fix cloning of Element's attributes

No virtual method was invoked when copies of attributes were appended to
newly-cloned elements.

components/script/dom/element.rs

@@ -83,7 +83,7 @@ use url::UrlParser;
 
 use std::ascii::AsciiExt;
 use std::borrow::{Cow, ToOwned};
-use std::cell::{Ref, RefMut};
+use std::cell::Ref;
 use std::default::Default;
 use std::mem;
 use std::sync::Arc;
@@ -597,10 +597,6 @@ impl Element {
         self.attrs.borrow()
     }
 
-    pub fn attrs_mut(&self) -> RefMut<Vec<JS<Attr>>> {
-        self.attrs.borrow_mut()
-    }
-
     pub fn style_attribute(&self) -> &DOMRefCell<Option<PropertyDeclarationBlock>> {
         &self.style_attribute
     }

components/script/dom/node.rs

@@ -1768,15 +1768,12 @@ impl Node {
                 let node_elem = ElementCast::to_ref(node).unwrap();
                 let copy_elem = ElementCast::to_ref(copy.r()).unwrap();
 
-                let window = document.r().window();
+                for attr in node_elem.attrs().iter().map(JS::root) {
-                for ref attr in &*node_elem.attrs() {
+                    copy_elem.push_new_attribute(attr.local_name().clone(),
-                    let attr = attr.root();
+                                                 attr.value().clone(),
-                    let newattr =
+                                                 attr.name().clone(),
-                        Attr::new(window.r(),
+                                                 attr.namespace().clone(),
-                                  attr.r().local_name().clone(), attr.r().value().clone(),
+                                                 attr.prefix().clone());
-                                  attr.r().name().clone(), attr.r().namespace().clone(),
-                                  attr.r().prefix().clone(), Some(copy_elem));
-                    copy_elem.attrs_mut().push(JS::from_rooted(&newattr));
                 }
             },
             _ => ()

tests/wpt/metadata/dom/nodes/Element-matches.html.ini

@@ -27,12 +27,6 @@
   [Detached Element.matches: :lang pseudo-class selector, matching specified language with partial value (with no refNodes): #pseudo-lang-div3:lang(en)]
     expected: FAIL
 
-  [Detached Element.matches: :enabled pseudo-class selector, matching all disabled form controls (with no refNodes): #pseudo-ui :disabled]
-    expected: FAIL
-
-  [Detached Element.matches: :checked pseudo-class selector, matching checked radio buttons and checkboxes (with no refNodes): #pseudo-ui :checked]
-    expected: FAIL
-
   [Fragment Element.matches: Attribute hyphen-separated list selector, matching lang attribute with partial value (with no refNodes): #attr-hyphen-div3[lang|="en"\]]
     expected: FAIL
 
@@ -42,12 +36,6 @@
   [Fragment Element.matches: :lang pseudo-class selector, matching specified language with partial value (with no refNodes): #pseudo-lang-div3:lang(en)]
     expected: FAIL
 
-  [Fragment Element.matches: :enabled pseudo-class selector, matching all disabled form controls (with no refNodes): #pseudo-ui :disabled]
-    expected: FAIL
-
-  [Fragment Element.matches: :checked pseudo-class selector, matching checked radio buttons and checkboxes (with no refNodes): #pseudo-ui :checked]
-    expected: FAIL
-
   [In-document Element.matches: Universal selector, matching all children of the specified reference element (with refNode Element): >*]
     expected: FAIL
 

tests/wpt/metadata/dom/nodes/ParentNode-querySelector-All.html.ini

@@ -120,21 +120,6 @@
   [Detached Element.querySelector: :lang pseudo-class selector, not matching incorrect language: #pseudo-lang-div4:lang(es-AR)]
     expected: FAIL
 
-  [Detached Element.querySelectorAll: :enabled pseudo-class selector, matching all enabled form controls: #pseudo-ui :enabled]
-    expected: FAIL
-
-  [Detached Element.querySelectorAll: :enabled pseudo-class selector, matching all disabled form controls: #pseudo-ui :disabled]
-    expected: FAIL
-
-  [Detached Element.querySelector: :enabled pseudo-class selector, matching all disabled form controls: #pseudo-ui :disabled]
-    expected: FAIL
-
-  [Detached Element.querySelectorAll: :checked pseudo-class selector, matching checked radio buttons and checkboxes: #pseudo-ui :checked]
-    expected: FAIL
-
-  [Detached Element.querySelector: :checked pseudo-class selector, matching checked radio buttons and checkboxes: #pseudo-ui :checked]
-    expected: FAIL
-
   [Detached Element.querySelectorAll: :first-line pseudo-element (one-colon syntax) selector, not matching any elements: #pseudo-element:first-line]
     expected: FAIL
 
@@ -201,21 +186,6 @@
   [Fragment.querySelector: :lang pseudo-class selector, not matching incorrect language: #pseudo-lang-div4:lang(es-AR)]
     expected: FAIL
 
-  [Fragment.querySelectorAll: :enabled pseudo-class selector, matching all enabled form controls: #pseudo-ui :enabled]
-    expected: FAIL
-
-  [Fragment.querySelectorAll: :enabled pseudo-class selector, matching all disabled form controls: #pseudo-ui :disabled]
-    expected: FAIL
-
-  [Fragment.querySelector: :enabled pseudo-class selector, matching all disabled form controls: #pseudo-ui :disabled]
-    expected: FAIL
-
-  [Fragment.querySelectorAll: :checked pseudo-class selector, matching checked radio buttons and checkboxes: #pseudo-ui :checked]
-    expected: FAIL
-
-  [Fragment.querySelector: :checked pseudo-class selector, matching checked radio buttons and checkboxes: #pseudo-ui :checked]
-    expected: FAIL
-
   [Fragment.querySelectorAll: :first-line pseudo-element (one-colon syntax) selector, not matching any elements: #pseudo-element:first-line]
     expected: FAIL
 
@@ -759,3 +729,6 @@
   [In-document Element.querySelectorAll: Syntax, group of selectors separator, no whitespace: #group em,#group strong]
     expected: FAIL
 
+  [In-document Element.querySelectorAll: :enabled pseudo-class selector, matching all disabled form controls: #pseudo-ui :disabled]
+    expected: FAIL
+