Move the html directory from web-platform-tests/ to wpt/.

third_party/WebKit/LayoutTests/imported/wpt/html/dom/reflection.js

 ReflectionTests = {};
 
 ReflectionTests.start = new Date().getTime();
 
 /**
  * Resolve the given URL to an absolute URL, relative to the current document's
  * address.  There's no API that I know of that exposes this directly, so we
  * actually just create an <a> element, set its href, and stitch together the
  * various properties.  Seems to work.  We don't try to reimplement the
  * algorithm here, because we're not concerned with its correctness -- we're
@@ skipping 811 matching lines @@
 var time = document.getElementById("time");
 if (time) {
     time.innerHTML = (new Date().getTime() - ReflectionTests.start)/1000;
 }
 
 if (unimplemented.length) {
     var p = document.createElement("p");
     p.textContent = "(Note: missing tests for types " + unimplemented.join(", ") + ".)";
     document.body.appendChild(p);
 }