Make navigate() use UTF-8 in the URL parser

Tests: ...

Fixes #9708.

source

@@ -90841,8 +90841,9 @@ interface <dfn interface>NavigationHistoryEntry</dfn> : <span>EventTarget</span>
   data-x="dom-Navigation-navigate">navigate(<var>options</var>)</code></dfn> method steps are:</p>
 
   <ol>
-   <li><p>Let <var>urlRecord</var> be the result of <span>encoding-parsing a URL</span> given
-   <var>url</var>, relative to <span>this</span>'s <span>relevant settings object</span>.</p></li>
+   <li><p>Let <var>urlRecord</var> be the result of <span data-x="parse a URL">parsing a URL</span>
+   given <var>url</var>, relative to <span>this</span>'s <span>relevant settings
+   object</span>.</p></li>
 
    <li><p>If <var>urlRecord</var> is failure, then return an <span
    data-x="navigation-api-early-error-result">early error result</span> for a