pkg/docgen: moved model classes into minilibs

pkg/docgen/test/multi_library_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.
 
 library single_library_test;
 
 import 'package:path/path.dart' as p;
 import 'package:unittest/unittest.dart';
 
 import '../lib/docgen.dart';
-import '../../../sdk/lib/_internal/compiler/implementation/mirrors/mirrors_util.dart'
-    as dart2js_util;
+import '../lib/src/exports/mirrors_util.dart' as dart2js_util;
 
 import 'util.dart';
 
 List<Uri> _writeLibFiles() {
   var codePath = getMultiLibraryCodePath();
 
   codePath = p.join(codePath, 'lib');
 
   return ['test_lib.dart', 'test_lib_bar.dart', 'test_lib_foo.dart']
       .map((name) => p.join(codePath, name))
@@ skipping 62 matching lines @@
           expect(methodParameterDocComment, 'test_lib.B');
 
           methodParameterDocComment = exportedClass.fixReference(
               'testFunc').children.first.text;
           expect(methodParameterDocComment, 'test_lib.testFunc');
 
         });
     });
   });
 }