implements NavigatorLanguage

components/script/dom/navigator.rs

@@ -65,4 +65,9 @@ impl NavigatorMethods for Navigator {
     fn AppVersion(&self) -> DOMString {
         navigatorinfo::AppVersion()
     }
+
+    // https://html.spec.whatwg.org/multipage/#navigatorlanguage
+    fn GetLanguage(&self) -> Option<DOMString>  {
+        Some(navigatorinfo::Language())
+    }
 }

components/script/dom/navigatorinfo.rs

@@ -43,3 +43,7 @@ pub fn UserAgent() -> DOMString {
 pub fn AppVersion() -> DOMString {
     DOMString::from("4.0")
 }
+
+pub fn Language() -> DOMString {
+    DOMString::from("en-US")
+}

components/script/dom/webidls/Navigator.webidl

@@ -8,7 +8,7 @@ interface Navigator {
   // objects implementing this interface also implement the interfaces given below
 };
 Navigator implements NavigatorID;
-//Navigator implements NavigatorLanguage;
+Navigator implements NavigatorLanguage;
 //Navigator implements NavigatorOnLine;
 //Navigator implements NavigatorContentUtils;
 //Navigator implements NavigatorStorageUtils;
@@ -25,3 +25,10 @@ interface NavigatorID {
   boolean taintEnabled(); // constant false
   readonly attribute DOMString userAgent;
 };
+
+// https://html.spec.whatwg.org/multipage/#navigatorlanguage
+[NoInterfaceObject/*, Exposed=Window,Worker*/]
+interface NavigatorLanguage {
+  readonly attribute DOMString? language;
+  //readonly attribute DOMString[] languages;
+};

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

@@ -7131,9 +7131,6 @@
   [EventTarget interface: calling dispatchEvent(Event) on window.applicationCache with too few arguments must throw TypeError]
     expected: FAIL
 
-  [Navigator interface: attribute language]
-    expected: FAIL
-
   [Navigator interface: attribute languages]
     expected: FAIL