Fix calling object methods and properties on function types

pkg/analyzer/lib/src/summary/summary_sdk.dart

 // Copyright (c) 2015, 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.src.summary.summary_sdk;
 
 import 'package:analyzer/dart/element/element.dart';
 import 'package:analyzer/dart/element/type.dart';
 import 'package:analyzer/file_system/file_system.dart' show ResourceProvider;
 import 'package:analyzer/src/context/cache.dart' show CacheEntry;
@@ skipping 171 matching lines @@
   Source mapDartUri(String uriStr) {
     Uri uri = Uri.parse(uriStr);
     return _uriResolver.resolveAbsolute(uri);
   }
 }
 
 /**
  * Implementation of [TypeProvider] which can be initialized separately with
  * `dart:core` and `dart:async` libraries.
  */
-class SummaryTypeProvider implements TypeProvider {
+class SummaryTypeProvider extends Object
+    with TypeProviderBaseMixin
+    implements TypeProvider {
   LibraryElement _coreLibrary;
   LibraryElement _asyncLibrary;
 
   InterfaceType _boolType;
   InterfaceType _deprecatedType;
   InterfaceType _doubleType;
   InterfaceType _functionType;
   InterfaceType _futureDynamicType;
   InterfaceType _futureNullType;
   InterfaceType _futureType;
@@ skipping 97 matching lines @@
   }
 
   @override
   InterfaceType get mapType {
     assert(_coreLibrary != null);
     _mapType ??= _getType(_coreLibrary, "Map");
     return _mapType;
   }
 
   @override
-  List<InterfaceType> get nonSubtypableTypes => <InterfaceType>[
-        nullType,
-        numType,
-        intType,
-        doubleType,
-        boolType,
-        stringType
-      ];
-
-  @override
   DartObjectImpl get nullObject {
     if (_nullObject == null) {
       _nullObject = new DartObjectImpl(nullType, NullState.NULL_STATE);
     }
     return _nullObject;
   }
 
   @override
   InterfaceType get nullType {
     assert(_coreLibrary != null);
@@ skipping 83 matching lines @@
    * throw a [StateError] if there is no class with the given name.
    */
   InterfaceType _getType(LibraryElement library, String name) {
     Element element = library.getType(name);
     if (element == null) {
       throw new StateError("No definition of type $name");
     }
     return (element as ClassElement).type;
   }
 }