Fixes for html report

lib/src/server/server.dart

 // Copyright (c) 2015, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 /// Development server that compiles Dart to JS on the fly.
 library dev_compiler.src.server;
 
 import 'dart:async';
 import 'dart:convert';
 import 'dart:io';
@@ skipping 71 matching lines @@
     rebuild(_entryNode, _buildSource);
     _dumpInfoIfRequested();
     clock.stop();
     var time = (clock.elapsedMilliseconds / 1000).toStringAsFixed(2);
     _log.fine('Compiled ${_libraries.length} libraries in ${time} s\n');
     return new CheckerResults(
         _libraries, _failure || options.codegenOptions.forceCompile);
   }
 
   bool _buildSource(SourceNode node) {
+    node.clearSummary();
     if (node is HtmlSourceNode) {
       _buildHtmlFile(node);
     } else if (node is DartSourceNode) {
       _buildDartLibrary(node);
     } else if (node is ResourceSourceNode) {
       _buildResourceFile(node);
     } else {
       assert(false); // should not get a build request on PartSourceNode
     }
 
@@ skipping 205 matching lines @@
   Source resolveAbsolute(Uri uri, [Uri actualUri]) {
     var src = resolver.resolveAbsolute(uri, actualUri);
     return src.exists() ? src : null;
   }
 
   Uri restoreAbsolute(Source source) => resolver.restoreAbsolute(source);
 }
 
 final _log = new Logger('dev_compiler.src.server');
 final _earlyErrorResult = new CheckerResults(const [], true);