Enable async support

pkg/analyzer/test/generated/engine_test.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.engine_test;
 
 import 'dart:async';
@@ skipping 200 matching lines @@
 
   @override
   void setUp() {
     _context = new AnalysisContextImpl();
     _sourceFactory = new SourceFactory(
         [new DartUriResolver(DirectoryBasedDartSdk.defaultSdk), new FileUriResolver()]);
     _context.sourceFactory = _sourceFactory;
     AnalysisOptionsImpl options =
         new AnalysisOptionsImpl.con1(_context.analysisOptions);
     options.cacheSize = 256;
-    options.enableAsync = true;
     options.enableEnum = true;
     _context.analysisOptions = options;
   }
 
   @override
   void tearDown() {
     _context = null;
     _sourceFactory = null;
     super.tearDown();
   }
@@ skipping 2025 matching lines @@
       options.generateSdkErrors = booleanValue;
       options.hint = booleanValue;
       options.incremental = booleanValue;
       options.preserveComments = booleanValue;
       AnalysisOptionsImpl copy = new AnalysisOptionsImpl.con1(options);
       expect(copy.analyzeAngular, options.analyzeAngular);
       expect(copy.analyzeFunctionBodies, options.analyzeFunctionBodies);
       expect(copy.analyzePolymer, options.analyzePolymer);
       expect(copy.cacheSize, options.cacheSize);
       expect(copy.dart2jsHint, options.dart2jsHint);
-      expect(copy.enableAsync, options.enableAsync);
       expect(copy.enableDeferredLoading, options.enableDeferredLoading);
       expect(copy.enableEnum, options.enableEnum);
       expect(copy.generateSdkErrors, options.generateSdkErrors);
       expect(copy.hint, options.hint);
       expect(copy.incremental, options.incremental);
       expect(copy.preserveComments, options.preserveComments);
     }
   }
 
   void test_getAnalyzeAngular() {
@@ skipping 25 matching lines @@
     expect(options.cacheSize, value);
   }
 
   void test_getDart2jsHint() {
     AnalysisOptionsImpl options = new AnalysisOptionsImpl();
     bool value = !options.dart2jsHint;
     options.dart2jsHint = value;
     expect(options.dart2jsHint, value);
   }
 
-  void test_getEnableAsync() {
-    AnalysisOptionsImpl options = new AnalysisOptionsImpl();
-    expect(options.enableAsync, AnalysisOptionsImpl.DEFAULT_ENABLE_ASYNC);
-    bool value = !options.enableAsync;
-    options.enableAsync = value;
-    expect(options.enableAsync, value);
-  }
-
   void test_getEnableDeferredLoading() {
     AnalysisOptionsImpl options = new AnalysisOptionsImpl();
     expect(
         options.enableDeferredLoading,
         AnalysisOptionsImpl.DEFAULT_ENABLE_DEFERRED_LOADING);
     bool value = !options.enableDeferredLoading;
     options.enableDeferredLoading = value;
     expect(options.enableDeferredLoading, value);
   }
 
@@ skipping 4817 matching lines @@
   bool contains(Source source) => source == libB;
 }
 
 
 class _UniversalCachePartitionTest_test_setMaxCacheSize implements
     CacheRetentionPolicy {
   @override
   RetentionPriority getAstPriority(Source source, SourceEntry sourceEntry) =>
       RetentionPriority.LOW;
 }