Align with URL API changes for file and non-special URLs

This change builds on whatwg/url#224.

Tests: web-platform-tests/wpt#4696.

Location API bits are not tested since we generally treat loading from file URLs as out-of-scope for the web platform, but accounting for it standards-wise seemed trivial enough.

source

@@ -2570,6 +2570,7 @@ a.setAttribute('href', 'https://example.com/'); // change the content attribute
      <li>An <dfn data-x-href="https://url.spec.whatwg.org/#http-scheme">HTTP(S) scheme</dfn></li>
      <li>A <dfn data-x-href="https://url.spec.whatwg.org/#network-scheme">network scheme</dfn></li>
      <li>A <dfn data-x-href="https://url.spec.whatwg.org/#fetch-scheme">fetch scheme</dfn></li>
+     <li>The <dfn data-x-href="https://url.spec.whatwg.org/#cannot-have-a-username-password-port">cannot have a username/password/port</dfn> concept</li>
      <li>The <dfn data-x="concept-url-serializer" data-x-href="https://url.spec.whatwg.org/#concept-url-serializer">URL serializer</dfn></li>
      <li>The <dfn data-x-href="https://url.spec.whatwg.org/#concept-host-parser">host parser</dfn></li>
      <li>The <dfn data-x="host serializer" data-x-href="https://url.spec.whatwg.org/#concept-host-serializer">host serializer</dfn></li>
@@ -21763,9 +21764,8 @@ interface <dfn>HTMLHyperlinkElementUtils</dfn> {
    <li><p>Let <var>url</var> be this element's <span
    data-x="concept-hyperlink-url">url</span>.</p></li>
 
-   <li><p>If <var>url</var> or <var>url</var>'s <span data-x="concept-url-host">host</span> is null,
-   or <var>url</var>'s <span>cannot-be-a-base-URL flag</span> is set, terminate these
-   steps.</p></li>
+   <li><p>If <var>url</var> is null or <var>url</var>
+   <span>cannot have a username/password/port</span>, then return.</p></li>
 
    <li><p><span>Set the username</span>, given <var>url</var> and the given value.</p></li>
 
@@ -21795,9 +21795,8 @@ interface <dfn>HTMLHyperlinkElementUtils</dfn> {
    <li><p>Let <var>url</var> be this element's <span
    data-x="concept-hyperlink-url">url</span>.</p></li>
 
-   <li><p>If <var>url</var> or <var>url</var>'s <span data-x="concept-url-host">host</span> is null,
-   or <var>url</var>'s <span>cannot-be-a-base-URL flag</span> is set, terminate these
-   steps.</p></li>
+   <li><p>If <var>url</var> is null or <var>url</var>
+   <span>cannot have a username/password/port</span>, then return.</p></li>
 
    <li><p><span>Set the password</span>, given <var>url</var> and the given value.</p></li>
 
@@ -21903,10 +21902,8 @@ interface <dfn>HTMLHyperlinkElementUtils</dfn> {
    <li><p>Let <var>url</var> be this element's <span
    data-x="concept-hyperlink-url">url</span>.</p></li>
 
-   <li><p>If <var>url</var> or <var>url</var>'s <span data-x="concept-url-host">host</span> is null,
-   <var>url</var>'s <span>cannot-be-a-base-URL flag</span> is set, or <var>url</var>'s <span
-   data-x="concept-url-scheme">scheme</span> is "<code data-x="">file</code>", terminate these
-   steps.</p></li>
+   <li><p>If <var>url</var> is null or <var>url</var>
+   <span>cannot have a username/password/port</span>, then return.</p></li>
 
    <li><p>If the given value is the empty string, then set <var>url</var>'s <span
    data-x="concept-url-port">port</span> to null.</p></li>
@@ -80982,10 +80979,8 @@ State: &lt;OUTPUT NAME=I>1&lt;/OUTPUT> &lt;INPUT VALUE="Increment" TYPE=BUTTON O
    <li><p>Let <var>copyURL</var> be a copy of this <code>Location</code> object's <span
    data-x="concept-location-url">url</span>.</p></li>
 
-   <li><p>If <var>copyURL</var>'s <span data-x="concept-url-host">host</span> is null,
-   <var>copyURL</var>'s <span>cannot-be-a-base-URL flag</span> is set, or <var>copyURL</var>'s <span
-   data-x="concept-url-scheme">scheme</span> is "<code data-x="">file</code>", terminate these
-   steps.</p></li>
+   <li><p>If <var>copyURL</var> <span>cannot have a username/password/port</span>, then
+   return.</p></li>
 
    <li><p>If the given value is the empty string, then set <var>copyURL</var>'s <span
    data-x="concept-url-port">port</span> to null.</p></li>