Sync worker interfaces with the HTML spec

Source/core/workers/Worker.idl

Index: Source/core/workers/Worker.idl
diff --git a/Source/core/workers/Worker.idl b/Source/core/workers/Worker.idl
index 198bf00e9d337436d535fc49cfa18ee3e0f660ce..cd657abb463fbb2d70a0b6ffce81b4ac069b5870 100644
--- a/Source/core/workers/Worker.idl
+++ b/Source/core/workers/Worker.idl
@@ -25,19 +25,20 @@
  *
  */
 
-// http://www.whatwg.org/specs/web-apps/current-work/#dedicated-workers-and-the-worker-interface
+// https://html.spec.whatwg.org/#dedicated-workers-and-the-worker-interface
 
 [
     ActiveDOMObject,
     Constructor(DOMString scriptUrl),
     ConstructorCallWith=ExecutionContext,
+    // TODO(philipj): Exposed=(Window,Worker),
     RaisesException=Constructor,
 ] interface Worker : EventTarget {
+    void terminate();
 
-    attribute EventHandler onmessage;
-
+    // TODO(philipj): The SerializedScriptValue type should be any.
     [PostMessage, RaisesException] void postMessage(SerializedScriptValue message, optional sequence<Transferable> transfer);
-    void terminate();
+    attribute EventHandler onmessage;
 };
 
 Worker implements AbstractWorker;