message: Remove fake root elements from the es5 adapter injector results too.
diff: @@ -96,7 +96,7 @@ export function addCustomElementsEs5Adapter(html: string): string {
  if (!webcomponentsLoaderRegex.test(html)) {
  return html;
  }
  - const parsed = parse5.parse(html);
  + const parsed = parse5.parse(html, {locationInfo: true});
  const script = dom5.nodeWalk(parsed, webcomponentsLoaderMatcher);
  if (!script) {
  return html;
  @@ -159,5 +159,6 @@ export function addCustomElementsEs5Adapter(html: string): string {
  bodyElement, bodyElement.childNodes[0] || null, es5AdapterScript);
  }
  + dom5.removeFakeRootElements(parsed);
  return parse5.serialize(parsed);
  }
  