Improved HTML parsing

editor/tools/plugins/com.google.dart.tools.core_test/src/com/google/dart/tools/core/analysis/timing/HtmlParserTimings.java

 package com.google.dart.tools.core.analysis.timing;
 
+import com.google.dart.engine.error.GatheringErrorListener;
 import com.google.dart.engine.html.parser.HtmlParseResult;
 import com.google.dart.engine.html.parser.HtmlParser;
 import com.google.dart.engine.source.FileBasedSource;
 import com.google.dart.engine.source.Source;
 import com.google.dart.engine.source.SourceFactory;
 import com.google.dart.engine.utilities.io.FileUtilities;
 
 import junit.framework.TestCase;
 
 import java.io.File;
 import java.io.IOException;
 
 /**
  * Evaluate time to parse html files in a directory hierarchy using old and new HtmlParsers.
  */
 public class HtmlParserTimings extends TestCase {
   interface ParseFileRunner {
     void run(File htmlFile) throws Exception;
   }
   interface ParseStringRunner {
     void run(File htmlFile, String contents) throws Exception;
   }
 
   final ParseFileRunner newParseFile = new ParseFileRunner() {
     private SourceFactory sourceFactory = new SourceFactory();
 
     @Override
     public void run(File htmlFile) throws Exception {
       Source source = new FileBasedSource(sourceFactory.getContentCache(), htmlFile);
-      HtmlParseResult parseResult = new HtmlParser(source).parse(source);
+      GatheringErrorListener errorListener = new GatheringErrorListener();
+      HtmlParseResult parseResult = new HtmlParser(source, errorListener).parse(source);
       assertNotNull(parseResult);
     }
   };
 
   final ParseStringRunner newParseString = new ParseStringRunner() {
     private SourceFactory sourceFactory = new SourceFactory();
 
     @Override
     public void run(File htmlFile, String contents) throws Exception {
       Source source = new FileBasedSource(sourceFactory.getContentCache(), htmlFile);
       sourceFactory.setContents(source, contents);
-      HtmlParseResult parseResult = new HtmlParser(source).parse(source);
+      GatheringErrorListener errorListener = new GatheringErrorListener();
+      HtmlParseResult parseResult = new HtmlParser(source, errorListener).parse(source);
       assertNotNull(parseResult);
     }
   };
 
   final ParseFileRunner oldParseFile = new ParseFileRunner() {
     @Override
     public void run(File htmlFile) throws IOException {
       String contents = FileUtilities.getContents(htmlFile);
       Object parseResult = new com.google.dart.tools.core.html.HtmlParser(contents).parse();
       assertNotNull(parseResult);
@@ skipping 89 matching lines @@
       } else if (file.getName().endsWith(".html")) {
         String contents = FileUtilities.getContents(file);
         long start = System.currentTimeMillis();
         runner.run(file, contents);
         parseTime += System.currentTimeMillis() - start;
         fileCount++;
       }
     }
   }
 }