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

modules/serviceworkers/ServiceWorkerGlobalScope.idl

Index: modules/serviceworkers/ServiceWorkerGlobalScope.idl
diff --git a/modules/serviceworkers/ServiceWorkerGlobalScope.idl b/modules/serviceworkers/ServiceWorkerGlobalScope.idl
index 2319e5b5b87d62533ba13614881707613fb8dac7..df412a74aed60fa7b1149dbd89eae577348e5d48 100644
--- a/modules/serviceworkers/ServiceWorkerGlobalScope.idl
+++ b/modules/serviceworkers/ServiceWorkerGlobalScope.idl
@@ -33,16 +33,11 @@
 [
     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();
@@ -53,4 +48,5 @@
   attribute EventHandler onfetch;
   attribute EventHandler oninstall;
   attribute EventHandler onmessage;
+  [RuntimeEnabled=ForeignFetch] attribute EventHandler onforeignfetch;
 };