[VM, Precompiler] PoC Obfuscator

tests/kernel/unsorted/nsm_dispatcher_test.dart

 // Copyright (c) 2016, 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 'package:expect/expect.dart';
 
 class A {
   noSuchMethod(Invocation invocation) {
     var s = '|${invocation.memberName}|';
     for (var a in invocation.positionalArguments) {
       s = '$s$a|';
     }
     invocation.namedArguments.forEach((Symbol k, v) {
       s = '$s$k/$v|';
     });
     print(s);
     return s;
   }
 }
 
 main() {
   var o = new A();
-  Expect.isTrue(o.fun() == '|Symbol("fun")|');
-  Expect.isTrue(o.fun(1) == '|Symbol("fun")|1|');
-  Expect.isTrue(o.fun(1, 2) == '|Symbol("fun")|1|2|');
-  Expect.isTrue(o.fun(1, b: 2) == '|Symbol("fun")|1|Symbol("b")/2|');
-  Expect.isTrue(
-      o.fun(1, a: 1, b: 2) == '|Symbol("fun")|1|Symbol("a")/1|Symbol("b")/2|');
-  Expect.isTrue(
-      o.fun(1, b: 2, a: 1) == '|Symbol("fun")|1|Symbol("a")/1|Symbol("b")/2|');
+  Expect.isTrue(o.fun() == '|${#fun}|');
+  Expect.isTrue(o.fun(1) == '|${#fun}|1|');
+  Expect.isTrue(o.fun(1, 2) == '|${#fun}|1|2|');
+  Expect.isTrue(o.fun(1, b: 2) == '|${#fun}|1|${#b}/2|');
+  Expect.isTrue(o.fun(1, a: 1, b: 2) == '|${#fun}|1|${#a}/1|${#b}/2|');
+  Expect.isTrue(o.fun(1, b: 2, a: 1) == '|${#fun}|1|${#a}/1|${#b}/2|');
 }