Editorial: shorten Window's top attribute's algorithm

source

@@ -77480,24 +77480,15 @@ dictionary <dfn>DragEventInit</dfn> : <span>MouseEventInit</span> {
 
   <div w-nodev>
 
-  <p>The <dfn><code data-x="dom-top">top</code></dfn> IDL attribute, on getting, must run the
-  following algorithm:</p>
+  <p>The <dfn><code data-x="dom-top">top</code></dfn> attribute's getter must run these steps:</p>
 
   <ol>
-   <li><p>Let <var>windowProxy</var> be this <code>Window</code> object's <code>WindowProxy</code>
-   object.</p></li>
-
-   <li><p>If there is no <span>browsing context</span> with <var>windowProxy</var> as its
-   <code>WindowProxy</code> object, then return null.</p>
-
-   <li><p>Let <var>context</var> be that <span>browsing context</span>.</p></li>
-
-   <li><p>If <var>context</var> is a <span>top-level browsing context</span>, then return
-   <var>context</var>'s <code>WindowProxy</code> object.</p></li>
+   <li><p>If this <code>Window</code> object's <span data-x="window bc">browsing context</span> is
+   null, then return null.</p></li>
 
-   <li><p>Otherwise, <var>context</var> must have a <span>top-level browsing context</span> (i.e. an
-   <span>ancestor browsing context</span> with no <span>parent browsing context</span>). Return that
-   <span>top-level browsing context</span>'s <code>WindowProxy</code> object.</p></li>
+   <li><p>Return this <code>Window</code> object's <span data-x="window bc">browsing
+   context</span>'s <span>top-level browsing context</span>'s <code>WindowProxy</code>
+   object.</p></li>
   </ol>
 
   <p>The <dfn><code data-x="dom-opener">opener</code></dfn> attribute's getter must run these