Bind this in ng2 hack code

lib/src/compiler/code_generator.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.
 
 import 'dart:collection' show HashMap, HashSet;
 import 'dart:math' show min, max;
 
 import 'package:analyzer/analyzer.dart' hide ConstantEvaluator;
 import 'package:analyzer/dart/ast/ast.dart';
 import 'package:analyzer/dart/ast/token.dart' show Token, TokenType;
@@ skipping 3205 matching lines @@
     var element = node.methodName.staticElement;
     bool isStatic = element is ExecutableElement && element.isStatic;
     var memberName = _emitMemberName(name, type: type, isStatic: isStatic);
 
     JS.Expression jsTarget = _visit(target);
     if (isDynamicInvoke(target) || isDynamicInvoke(node.methodName)) {
       if (_inWhitelistCode(target)) {
         var vars = <JS.MetaLetVariable, JS.Expression>{};
         var l = _visit(_bindValue(vars, 'l', target));
         jsTarget = new JS.MetaLet(vars, [
-          js.call('(#[(#[dart._extensionType]) ? dartx[#] : #])',
-              [l, l, memberName, memberName,])
+          js.call('(#[(#[dart._extensionType]) ? dartx[#] : #]).bind(#)',

[vsm, 2016/08/29 22:01:04]

FYI: this was the path triggered by the example.

+              [l, l, memberName, memberName, l])
         ]);
         if (typeArgs != null) jsTarget = new JS.Call(jsTarget, typeArgs);
         return new JS.Call(jsTarget, args);
       }
       if (typeArgs != null) {
         return js.call('dart.dgsend(#, #, #, #)',
             [jsTarget, new JS.ArrayInitializer(typeArgs), memberName, args]);
       } else {
         return js.call('dart.dsend(#, #, #)', [jsTarget, memberName, args]);
       }
@@ skipping 1320 matching lines @@
   /// See [visitMethodInvocation].
   JS.Expression _emitSend(
       Expression target, String name, List<Expression> args) {
     var type = getStaticType(target);
     var memberName = _emitMemberName(name, unary: args.isEmpty, type: type);
     if (isDynamicInvoke(target)) {
       if (_inWhitelistCode(target)) {
         var vars = <JS.MetaLetVariable, JS.Expression>{};
         var l = _visit(_bindValue(vars, 'l', target));
         return new JS.MetaLet(vars, [
-          js.call('(#[(#[dart._extensionType]) ? dartx[#] : #])(#)',
-              [l, l, memberName, memberName, _visitList(args)])
+          js.call('(#[(#[dart._extensionType]) ? dartx[#] : #]).call(#, #)',

[vsm, 2016/08/29 22:01:04]

apply is the one that takes an array.  :-)

+              [l, l, memberName, memberName, l, _visitList(args)])
         ]);
       }
       // dynamic dispatch
       var dynamicHelper = const {'[]': 'dindex', '[]=': 'dsetindex'}[name];
       if (dynamicHelper != null) {
         return js.call(
             'dart.$dynamicHelper(#, #)', [_visit(target), _visitList(args)]);
       } else {
         return js.call('dart.dsend(#, #, #)',
             [_visit(target), memberName, _visitList(args)]);
@@ skipping 783 matching lines @@
 }
 
 bool isLibraryPrefix(Expression node) =>
     node is SimpleIdentifier && node.staticElement is PrefixElement;
 
 LibraryElement _getLibrary(AnalysisContext c, String uri) =>
     c.computeLibraryElement(c.sourceFactory.forUri(uri));
 
 bool _isDartRuntime(LibraryElement l) =>
     l.isInSdk && l.source.uri.toString() == 'dart:_runtime';