Parse documentation for class aliases, fix for /// comments.

pkg/analyzer/test/src/summary/resynthesize_kernel_test.dart

 // Copyright (c) 2017, 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.
 
 library analyzer.test.src.summary.resynthesize_kernel_test;
 
 import 'dart:async';
 
 import 'package:analyzer/dart/ast/ast.dart';
 import 'package:analyzer/dart/ast/standard_ast_factory.dart';
@@ skipping 91 matching lines @@
     return resynthesizer.getLibrary(testUriStr);
   }
 
   @override
   SummaryResynthesizer encodeDecodeLibrarySource(Source librarySource) {
     // TODO(scheglov): implement encodeDecodeLibrarySource
     throw new UnimplementedError();
   }
 
   @failingTest
-  test_class_alias_documented() async {
-    await super.test_class_alias_documented();
-  }
-
-  @failingTest
   test_class_alias_with_forwarding_constructors_type_substitution() async {
     await super
         .test_class_alias_with_forwarding_constructors_type_substitution();
   }
 
   @failingTest
   test_class_alias_with_forwarding_constructors_type_substitution_complex() async {
     await super
         .test_class_alias_with_forwarding_constructors_type_substitution_complex();
   }
 
   @failingTest
   test_class_constructor_field_formal_multiple_matching_fields() async {
     // Fasta does not generate the class.
     // main() with a fatal error is generated instead.
     await super.test_class_constructor_field_formal_multiple_matching_fields();
   }
 
   @failingTest
-  test_class_documented_tripleSlash() async {
-    await super.test_class_documented_tripleSlash();
-  }
-
-  @failingTest
-  test_class_documented_withLeadingNotDocumentation() async {
-    await super.test_class_documented_withLeadingNotDocumentation();
-  }
-
-  @failingTest
   test_class_interfaces_unresolved() async {
     await super.test_class_interfaces_unresolved();
   }
 
   @failingTest
   test_class_mixins_unresolved() async {
     await super.test_class_mixins_unresolved();
   }
 
   @failingTest
@@ skipping 2126 matching lines @@
   }
 
   /**
    * Get the [Source] object for the given [uri].
    */
   Source _getSource(String uri) {
     return _sources.putIfAbsent(
         uri, () => _analysisContext.sourceFactory.forUri(uri));
   }
 }