Fix calling object methods and properties on function types

pkg/analyzer/lib/src/generated/element_resolver.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 analyzer.src.generated.element_resolver;
 
 import 'dart:collection';
 
 import 'package:analyzer/dart/ast/ast.dart';
 import 'package:analyzer/dart/ast/token.dart';
@@ skipping 2210 matching lines @@
       if (element == null) {
         //
         // If there's no method, then it's possible that 'm' is a getter that
         // returns a function.
         //
         // TODO (collinsn): need to add union type support here too, in the
         // style of [lookUpMethod].
         element = _lookUpGetter(target, targetType, methodName.name);
       }
       return element;
+    } else if (targetType is FunctionType &&
+        _resolver.typeProvider.isObjectMethod(methodName)) {
+      return _resolver.typeProvider.objectType.element
+          .getMethod(methodName.name);
     } else if (target is SimpleIdentifier) {
       Element targetElement = target.staticElement;
       if (targetType is FunctionType &&
           methodName.name == FunctionElement.CALL_METHOD_NAME) {
         return targetElement;
       }
       if (targetElement is PrefixElement) {
         if (isConditional) {
           _resolver.errorReporter.reportErrorForNode(
               CompileTimeErrorCode.PREFIX_IDENTIFIER_NOT_FOLLOWED_BY_DOT,
@@ skipping 389 matching lines @@
 
   @override
   Element get staticElement => null;
 
   @override
   dynamic/*=E*/ accept/*<E>*/(AstVisitor/*<E>*/ visitor) => null;
 
   @override
   void visitChildren(AstVisitor visitor) {}
 }