anchor.diff:        // TODO(ussuri): Fix other known and fixable CSP violations.
   
         // If there are any files to write, the original HTML has been altered:
  -      // Back up the original HTML and replace it with the postprocessed one.
  +      // 1) back up the original HTML file;
  +      // 2) replace it with the postprocessed HTML text.
         if (_newFiles.isNotEmpty) {
           _newFiles.add(
               new _FileWriter(_file.parent, _file.name + '.pre_csp', htmlText));
  -        // NOTE: doc.outerHtml may insert previously missing parts of a standard
  -        // HTML document. One important example is Polymer elements, which
  +        // NOTE: doc.outerHtml may insert originally omitted parts of a standard
  +        // HTML document spec. One important example is Polymer elements, which
           // normally don't have <head> or <body>, but will after postprocessing.
           // That doesn't affect their functionality, though, so it's ok.
           _newFiles.add(
  
positive.code:         "Refactoring ${_resource.name} for CSP compatibility…",
          maxWork: 1);
  
      List<ws.File> files;
      if (_resource is ws.File) {
        files = [_resource];
      } else if (_resource is ws.Container) {
  
negative.code:   _CspFixerSingleFile(this._file);
  
    Future process() {
      if (!willProcess(_file)) return new Future.value();
  
      _logger.info("Processing ${_file.path}...");
  
      return _file.getContents().then((final String htmlText) {
        try {
  