Fixes isolate issue #1329

frog/member_set.dart

 // Copyright (c) 2012, 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.
 
 class MemberSet {
   final String name;
   final List<Member> members;
   final String jsname;
   final bool isVar;
 
@@ skipping 246 matching lines @@
   void addMembers(List<Member> members, CallingContext context, Value target,
       Arguments args) {
     // TODO(jimhug): In checked mode include parameter types to determine
     // need for varCall.
     for (var member in members) {
       // check that this is a "perfect" match - or require a var call
       // TODO(jimhug): Add support of "perfect matches" even with names
       if (!(member.parameters.length == bareArgs && namedArgs == null)) {
         needsVarCall = true;
       }
+      // TODO(jimhug): Egregious hack for isolates + DOM - see
+      // Value._maybeWrapFunction for more details.
+      if (member.library == world.dom) {
+        for (var p in member.parameters) {
+          if (p.type.getCallMethod() != null) {
+            needsVarCall = true;
+          }
+        }
+      }
+
       // TODO(jimhug): Should create a less specific version of args.
       if (member.canInvoke(context, args)) {
         if (member.isMethod) {
           returnType = MemberSet.unionTypes(returnType, member.returnType);
           member.declaringType.genMethod(member);
         } else {
           needsVarCall = true;
           returnType = world.varType;
         }
       }
     }
     if (returnType == null) {
       // TODO(jimhug): Warning here for no match anywhere in the world?
       returnType = world.varType;
     }
   }
 }