Fix DOMImplementation.hasFeature()

components/script/dom/domimplementation.rs

@@ -159,7 +159,7 @@ impl<'a> DOMImplementationMethods for JSRef<'a, DOMImplementation> {
     }
 
     // https://dom.spec.whatwg.org/#dom-domimplementation-hasfeature
-    fn HasFeature(self, _feature: DOMString, _version: DOMString) -> bool {
+    fn HasFeature(self) -> bool {
         true
     }
 }

components/script/dom/webidls/DOMImplementation.webidl

@@ -4,22 +4,24 @@
  * You can obtain one at http://mozilla.org/MPL/2.0/.
  *
  * The origin of this IDL file is
- * https://dom.spec.whatwg.org/#interface-domimplementation
+ * https://dom.spec.whatwg.org/#interface=domimplementation
  *
  * Copyright:
  * To the extent possible under law, the editors have waived all copyright and
  * related or neighboring rights to this work.
  */
 
+// [Exposed=Window]
 interface DOMImplementation {
-  boolean hasFeature(DOMString feature,
+  [NewObject, Throws]
-                     [TreatNullAs=EmptyString] DOMString version);
-  [Throws]
   DocumentType createDocumentType(DOMString qualifiedName, DOMString publicId,
                                   DOMString systemId);
-  [Throws]
+  [NewObject, Throws]
   Document createDocument(DOMString? namespace,
                           [TreatNullAs=EmptyString] DOMString qualifiedName,
                           optional DocumentType? doctype = null);
+  [NewObject]
   Document createHTMLDocument(optional DOMString title);
+
+  boolean hasFeature(); // useless, always return true
 };

tests/wpt/metadata/dom/interfaces.html.ini

@@ -180,9 +180,6 @@
   [DOMImplementation interface: operation createHTMLDocument(DOMString)]
     expected: FAIL
 
-  [DOMImplementation interface: operation hasFeature()]
-    expected: FAIL
-
   [DocumentFragment interface: existence and properties of interface object]
     expected: FAIL