anchor.diff:   * support script tags with inlined code, use this transformer after running
    * [InlineCodeExtractor] on an earlier phase.
    */
  -class ImportInliner extends Transformer with PolymerTransformer {
  +class ImportInliner extends Transformer {
     final TransformOptions options;
   
     ImportInliner(this.options);
  
positive.code: 
  import 'code_extractor.dart'; // import just for documentation.
  import 'common.dart';
  
  /**
   * Recursively inlines the contents of HTML imports. Produces as output a single
  
negative.code:   Future<bool> isPrimary(Asset input) =>
        new Future.value(options.isHtmlEntryPoint(input.id));
  
    Future apply(Transform transform) =>
        new _HtmlInliner(options, transform).apply();
  }
  
  
  /** Internally adjusts urls in the html that we are about to inline. */
  class _UrlNormalizer extends TreeVisitor {
  