Auto merge of #5874 - nox:hasfeature, r=Ms2ger

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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,
-                     [TreatNullAs=EmptyString] DOMString version);
-  [Throws]
+  [NewObject, 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
 };