Merge 95322 - http/tests/history/back-with-fragment-change.php fails on non-Chromium bots

LayoutTests/http/tests/history/back-with-fragment-change.php

-<!--
-We intentionally want the page to load slowly (every time, hence no caching), so
-that when back-with-fragment-change-target.html calls history.back(), the load
-is provisional for a while (long enough for the window.location = '#foo' script
-to run and stop that load).
--->
 <?php
-
+// We intentionally want the page to load slowly (every time, hence no caching), 
+// so that when back-with-fragment-change-target.html calls history.back(), the
+// load is provisional for a while (long enough for the window.location = '#foo'
+// script to run and stop that load).
 sleep(2);
 
 header("Cache-control: no-cache, no-store");
 header("Pragma: no-cache");
 ?>
 
 <script>
 if (window.layoutTestController) {
     layoutTestController.dumpBackForwardList();
     layoutTestController.dumpAsText();
@@ skipping 17 matching lines @@
 }
 
 // Make sure there's no page cache.
 onunload = function() { };
 </script>
 <p>
 Tests that a history navigation that is aborted by a fragment change doesn't
 update the provisional history item. This test relies on
 <code>layoutTestController.dumpBackForwardList</code> to verify correctness
 and thus can only be run via DumpRenderTree.</p>