Navigate: use URL's equals concept to compare URLs

Also stop brokenly parsing URLs that are already records and assumed to be records elsewhere.

source

@@ -2746,6 +2746,7 @@ a.setAttribute('href', 'http://example.com/'); // change the content attribute d
      <li>The <dfn data-noexport="" data-x-href="https://url.spec.whatwg.org/#concept-host-parser">host parser</dfn>
      <li>The <dfn data-noexport="" data-x="host serialiser" data-x-href="https://url.spec.whatwg.org/#concept-host-serializer">host serialiser</dfn>
      <li><dfn data-noexport="" data-x-href="https://url.spec.whatwg.org/#concept-host-equals">Host equals</dfn>
+     <li><dfn data-x="concept-url-equals" data-noexport="" data-x-href="https://url.spec.whatwg.org/#concept-url-equals">URL equals</dfn>
      <li><dfn data-noexport="" data-x="serialise an integer" data-x-href="https://url.spec.whatwg.org/#serialize-an-integer">serialise an integer</dfn>
      <li><dfn data-noexport="" data-x-href="https://url.spec.whatwg.org/#default-encode-set">Default encode set</dfn>
      <li><dfn data-noexport="" data-x-href="https://url.spec.whatwg.org/#percent-encode">Percent encode</dfn>
@@ -81436,15 +81437,12 @@ State: &lt;OUTPUT NAME=I>1&lt;/OUTPUT> &lt;INPUT VALUE="Increment" TYPE=BUTTON O
    </li>
 
    <li id="navigate-fragid-step"><p><i>Fragments</i>: If this is not a
-   <dfn>reload-triggered navigation</dfn>: apply the <span>URL parser</span> algorithm to the
-   <span>absolute URL</span> of <var>resource</var> and the <span
-   data-x="concept-document-url">URL</span> of the <span>active document</span> of
-   <var>browsingContext</var>; if all the components of the resulting <span>URL record</span>,
-   ignoring any <span data-x="concept-url-fragment">fragment</span> components, are identical, and
-   <var>resource</var> is to be fetched using `<code data-x="">GET</code>`, and the <span>URL
-   record</span> of <var>resource</var> has a <span data-x="concept-url-fragment">fragment</span>
-   component that is not null (even if it is empty), then <span data-x="navigate-fragid">navigate to
-   that fragment</span> and abort these steps.</p></li>
+   <dfn>reload-triggered navigation</dfn>, <var>resource</var>'s <span>URL</span> <span
+   data-x="concept-url-equals">equals</span> <var>browsingContext</var>'s
+   <span>active document</span>'s <span data-x="concept-document-url">URL</span> with <var>exclude
+   fragments flag</var> set, and <var>resource</var>'s <span>URL</span>'s <span
+   data-x="concept-url-fragment">fragment</span> is non-null, then <span
+   data-x="navigate-fragid">navigate to that fragment</span> and abort these steps.</p></li>
 
    <li><p>If <var>gone async</var> is false, cancel any preexisting but not yet <span
    data-x="concept-navigate-mature">mature</span> attempt to navigate <var>browsingContext</var>,