Fix upgrade particular elements within a document

Fixes #11222.

Author: annevk

source

@@ -74001,12 +74001,13 @@ dictionary <dfn dictionary>ElementDefinitionOptions</dfn> {
 
    <li><p>If <span>this</span>'s <span>is scoped</span> is true, then for each <var>document</var>
    of <span>this</span>'s <span>scoped document set</span>: <span>upgrade particular elements within
-   a document</span> given <var>document</var> and <var>localName</var>.</p></li>
+   a document</span> given <var>document</var>, <var>definition</var>, and
+   <var>localName</var>.</p></li>
 
    <li><p>Otherwise, <span>upgrade particular elements within a document</span> given
    <span>this</span>'s <span>relevant global object</span>'s <span
-   data-x="concept-document-window">associated <code>Document</code></span>, <var>localName</var>,
-   and <var>name</var>.</p></li>
+   data-x="concept-document-window">associated <code>Document</code></span>, <var>definition</var>,
+   <var>localName</var>, and <var>name</var>.</p></li>
 
    <li>
     <p>If <span>this</span>'s <span>when-defined promise map</span>[<var>name</var>] <span data-x="map
@@ -74023,8 +74024,9 @@ dictionary <dfn dictionary>ElementDefinitionOptions</dfn> {
   </ol>
 
   <p>To <dfn>upgrade particular elements within a document</dfn> given a <code>Document</code>
-  object <var>document</var>, a string <var>localName</var>, and optionally a string <var>name</var>
-  (default <var>localName</var>):</p>
+  object <var>document</var>, a <span>custom element definition</span> <var>definition</var>, a
+  string <var>localName</var>, and optionally a string <var>name</var> (default
+  <var>localName</var>):</p>
 
   <ol>
    <li><p>Let <var>upgradeCandidates</var> be all elements that are <span data-x="shadow-including