Sync worker interfaces with the HTML spec

Source/core/loader/appcache/ApplicationCache.idl

 /*
  * Copyright (C) 2008, 2009 Apple Inc. All Rights Reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
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  * 1. Redistributions of source code must retain the above copyright
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  * 2. Redistributions in binary form must reproduce the above copyright
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  *    documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
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+// https://html.spec.whatwg.org/#application-cache-api
+
 [
     DoNotCheckConstants,
+    // TODO(philipj): Exposed=(Window,SharedWorker)
 ] interface ApplicationCache : EventTarget {
     // update status
     const unsigned short UNCACHED = 0;
     const unsigned short IDLE = 1;
     const unsigned short CHECKING = 2;
     const unsigned short DOWNLOADING = 3;
     const unsigned short UPDATEREADY = 4;
     const unsigned short OBSOLETE = 5;
     readonly attribute unsigned short status;
 
+    // updates
     [RaisesException] void update();
+    void abort();
     [RaisesException] void swapCache();
-    void abort();
 
     // events
     attribute EventHandler onchecking;
     attribute EventHandler onerror;
     attribute EventHandler onnoupdate;
     attribute EventHandler ondownloading;
     attribute EventHandler onprogress;
     attribute EventHandler onupdateready;
     attribute EventHandler oncached;
     attribute EventHandler onobsolete;
 };