"Reverting 25160"

pkg/docgen/test/single_library_test.dart

 library single_library_test;
 
 import 'dart:io'; 
 
 import 'package:unittest/unittest.dart';
 
 import '../lib/docgen.dart';
 import '../../../sdk/lib/_internal/compiler/implementation/filenames.dart';
 
 main() {
@@ skipping 36 matching lines @@
   }
       ''');
       
       getMirrorSystem(['test.dart'],'', parseSdk: false)
         .then(expectAsync1((mirrorSystem) {
           var testLibraryUri = currentDirectory.resolve('test.dart');
           var library = generateLibrary(mirrorSystem.libraries[testLibraryUri], 
               includePrivate: true);
           expect(library is Library, isTrue);
           
-          var classTypes = library.classes.values;
-          expect(classTypes.every((e) => e is Map), isTrue);
-          
-          var classes = [];
-          classTypes.forEach((e) => classes.addAll(e.values));
+          var classes = library.classes.values;
           expect(classes.every((e) => e is Class), isTrue);
           
           var classMethodTypes = [];
           classes.forEach((e) => classMethodTypes.addAll(e.methods.values));
           expect(classMethodTypes.every((e) => e is Map), isTrue);
 
           var classMethods = [];
           classMethodTypes.forEach((e) => classMethods.addAll(e.values));
           expect(classMethods.every((e) => e is Method), isTrue);
           
@@ skipping 41 matching lines @@
           // Testing something with no reference
           var libraryDocComment = fixReference('foobar', libraryMirror,
               classMirror, methodMirror).children.first.text;
           expect(libraryDocComment == 'foobar', isTrue);
           
           file.deleteSync();
         }));
     });
   });
 }