Remove appcache from shared workers

This was never implemented anywhere, and since appcache is deprecated,
it never will be.

source

@@ -83948,19 +83948,15 @@ NETWORK:
 
   <hr>
 
-  <p>A <dfn>cache host</dfn> is a <code>Document</code> or a <code>SharedWorkerGlobalScope</code>
-  object. A <span>cache host</span> can be associated with an <span>application cache</span>.</p>
+  <p>A <dfn>cache host</dfn> is a <code>Document</code> object.</p>
 
-  <p>A <code>Document</code> initially is not associated with an <span>application cache</span>, but
-  can become associated with one early during the page load process, when steps <a
+  <p>Each <span>cache host</span> has an associated <code>ApplicationCache</code> object.</p>
+
+  <p>Each <span>cache host</span> initially is not associated with an <span>application
+  cache</span>, but can become associated with one early during the page load process, when steps <a
   href="#parser-appcache">in the parser</a> and in the <span data-x="navigate">navigation</span>
   sections cause <span data-x="concept-appcache-init">cache selection</span> to occur.</p>
 
-  <p>A <code>SharedWorkerGlobalScope</code> can be associated with an <span>application cache</span>
-  when it is created.</p>
-
-  <p>Each <span>cache host</span> has an associated <code>ApplicationCache</code> object.</p>
-
   <hr>
 
   <p>Multiple <span data-x="application cache">application caches</span> in different <span
@@ -85714,8 +85710,7 @@ NETWORK:
 
   <h4>Application cache API</h4>
 
-  <pre class="idl">[Exposed=(Window,SharedWorker)]
-interface <dfn>ApplicationCache</dfn> : <span>EventTarget</span> {
+  <pre class="idl">interface <dfn>ApplicationCache</dfn> : <span>EventTarget</span> {
 
   // <span data-x="concept-appcache-status">update status</span>
   const unsigned short <span data-x="dom-appcache-UNCACHED">UNCACHED</span> = 0;
@@ -85747,15 +85742,8 @@ interface <dfn>ApplicationCache</dfn> : <span>EventTarget</span> {
    <dt><var>cache</var> = <var>window</var> . <code subdfn data-x="dom-applicationCache">applicationCache</code></dt>
    <dd>
 
-    <p>(In a window.) Returns the <code>ApplicationCache</code> object that applies to the
-    <span>active document</span> of that <code>Window</code>.</p>
-
-   </dd>
-
-   <dt><var>cache</var> = <var>self</var> . <code data-x="dom-applicationCache">applicationCache</code></dt> <dd>
-
-    <p>(In a shared worker.) Returns the <code>ApplicationCache</code> object that applies to the
-    current shared worker.</p>
+    <p>Returns the <code>ApplicationCache</code> object that applies to the <span>active
+    document</span> of that <code>Window</code>.</p>
 
    </dd>
 
@@ -85821,15 +85809,13 @@ interface <dfn>ApplicationCache</dfn> : <span>EventTarget</span> {
   <div w-nodev>
 
   <p>There is a one-to-one mapping from <span data-x="cache host">cache hosts</span> to
-  <code>ApplicationCache</code> objects. The <dfn><code data-x="dom-applicationCache">applicationCache</code></dfn> attribute on <code>Window</code>
+  <code>ApplicationCache</code> objects. The <dfn><code
+  data-x="dom-applicationCache">applicationCache</code></dfn> attribute on <code>Window</code>
   objects must return the <code>ApplicationCache</code> object associated with the
-  <code>Window</code> object's <span>active document</span>. The <dfn><code data-x="dom-SharedWorkerGlobalScope-applicationCache">applicationCache</code></dfn> attribute
-  on <code>SharedWorkerGlobalScope</code> objects must return the <code>ApplicationCache</code>
-  object associated with the worker.</p>
+  <code>Window</code> object's <span>active document</span>.</p>
 
-  <p class="note">A <code>Window</code> or <code>SharedWorkerGlobalScope</code> object has an
-  associated <code>ApplicationCache</code> object even if that <span>cache host</span> has no actual
-  <span>application cache</span>.</p>
+  <p class="note">A <code>Document</code> has an associated <code>ApplicationCache</code> object
+  even if that <span>cache host</span> has no actual <span>application cache</span>.</p>
 
   <hr>
 
@@ -96567,7 +96553,6 @@ interface <dfn>DedicatedWorkerGlobalScope</dfn> : <span>WorkerGlobalScope</span>
   <pre class="idl">[Global=(Worker,SharedWorker),Exposed=SharedWorker]
 interface <dfn>SharedWorkerGlobalScope</dfn> : <span>WorkerGlobalScope</span> {
   readonly attribute DOMString <span data-x="dom-SharedWorkerGlobalScope-name">name</span>;
-  readonly attribute <span>ApplicationCache</span> <span data-x="dom-SharedWorkerGlobalScope-applicationCache">applicationCache</span>; // deprecated
 
   void <span data-x="dom-SharedWorkerGlobalScope-close">close</span>();
 
@@ -96625,15 +96610,6 @@ interface <dfn>SharedWorkerGlobalScope</dfn> : <span>WorkerGlobalScope</span> {
     <tr><td><dfn><code data-x="handler-SharedWorkerGlobalScope-onconnect">onconnect</code></dfn> <td> <code data-x="event-WorkerGlobalScope-connect">connect</code>
   </table>
 
-  <p>For the purposes of the <span>application cache</span> networking model, a shared worker is its
-  own <span>cache host</span>. The <span>run a worker</span> algorithm takes care of associating the
-  worker with an <span>application cache</span>.</p>
-
-  <p class="note">The <code
-  data-x="dom-SharedWorkerGlobalScope-applicationCache">applicationCache</code> attribute returns the
-  <code>ApplicationCache</code> object for the worker.</p><!-- normative conf criteria is in the
-  appcache section -->
-
 
 
   <h4 id="worker-event-loop">The event loop</h4>
@@ -96884,14 +96860,6 @@ interface <dfn>SharedWorkerGlobalScope</dfn> : <span>WorkerGlobalScope</span> {
    data-x="concept-WorkerGlobalScope-type">type</span> to the value of the <code
    data-x="">type</code> member of <var>options</var>.</p></li>
 
-   <li><p>If <var>is shared</var> is true, and there are any <span data-x="relevant application
-   cache">relevant application caches</span> that are identified by a manifest URL with the
-   <span>same origin</span> as <var>url</var> and that have <var>url</var> as one of their
-   entries, <em>not</em> excluding entries marked as <span
-   data-x="concept-appcache-foreign">foreign</span>, then associate <var>worker global scope</var>
-   with the <span data-x="concept-appcache-selection">most appropriate application cache</span> of
-   those that match.</p></li>
-
    <li><p>Create a new <code>WorkerLocation</code> object and associate it with <var>worker global
    scope</var>.</p>