Roll 50: Copied IDLs, PYTHON scripts from WebKit removed deleted files in WebCore

modules/serviceworkers/ServiceWorkerGlobalScope.idl

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 15 matching lines @@
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 // https://slightlyoff.github.io/ServiceWorker/spec/service_worker/index.html#service-worker-global-scope-interface
 
 [
     Exposed=ServiceWorker,
     Global=(Worker,ServiceWorker),
-    TypeChecking=Interface,
 ] interface ServiceWorkerGlobalScope : WorkerGlobalScope {
 
   readonly attribute Clients clients;
   readonly attribute ServiceWorkerRegistration registration;
 
-  // https://github.com/mkruisselbrink/navigator-connect/blob/gh-pages/docs/api-idea.md#persisted-messageports
-  // TODO(mek): Link to actual spec when this is added there, and decide if this is the right place for this.
-  [RuntimeEnabled=NavigatorConnect] readonly attribute StashedPortCollection ports;
-
   [CallWith=ScriptState, RaisesException] Promise<Response> fetch(RequestInfo input, optional Dictionary init);
 
   [RaisesException] void close();
 
   [CallWith=ScriptState] Promise<void> skipWaiting();
 
   attribute EventHandler onactivate;
   attribute EventHandler onfetch;
   attribute EventHandler oninstall;
   attribute EventHandler onmessage;
+  [RuntimeEnabled=ForeignFetch] attribute EventHandler onforeignfetch;
 };