patch from issue 428303004

pkg/analyzer/lib/src/generated/engine.dart

 // Copyright (c) 2014, 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.
 
 // This code was auto-generated, is not intended to be edited, and is subject to
 // significant change. Please see the README file for more information.
 
 library engine;
 
 import 'dart:collection';
@@ skipping 7077 matching lines @@
     Set<Source> angularElementsSources = new Set();
     for (AngularElement angularElement in angularElements) {
       if (angularElement is AngularHasTemplateElement) {
         AngularHasTemplateElement hasTemplate = angularElement;
         angularElementsSources.add(angularElement.source);
         String templateUri = hasTemplate.templateUri;
         if (templateUri == null) {
           continue;
         }
         try {
-          Source templateSource = _source.resolveRelative(parseUriWithException(templateUri));
+          Source templateSource = _context.sourceFactory.forUri2(_source.resolveRelative(parseUriWithException(templateUri)));
           if (!_context.exists(templateSource)) {
             templateSource = _context.sourceFactory.resolveUri(_source, "package:${templateUri}");
             if (!_context.exists(templateSource)) {
               _errorListener.onError(new AnalysisError.con2(angularElement.source, hasTemplate.templateUriOffset, templateUri.length, AngularCode.URI_DOES_NOT_EXIST, [templateUri]));
               continue;
             }
           }
           if (!AnalysisEngine.isHtmlFileName(templateUri)) {
             continue;
           }
@@ skipping 8626 matching lines @@
     _index++;
     if (_index >= WorkManager_this._workQueues[_queueIndex].length) {
       _index = 0;
       _queueIndex++;
       while (_queueIndex < WorkManager_this._workQueues.length && WorkManager_this._workQueues[_queueIndex].isEmpty) {
         _queueIndex++;
       }
     }
   }
 }