Fix unit test after namer change.

tests/compiler/dart2js/pretty_parameter_test.dart

 // Copyright (c) 2011, 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.
 // Test that parameters keep their names in the output.
 
 import 'compiler_helper.dart';
 
 const String FOO = r"""
 void foo(var a, var b) {
 }
@@ skipping 54 matching lines @@
   }
   print(result);
 }
 """;
 
 main() {
   String generated = compile(FOO, entry: 'foo');
   Expect.isTrue(generated.contains(r"function(a, b) {"));
 
   generated = compile(BAR, entry: 'bar');
-  Expect.isTrue(generated.contains(r"function(eval$, $$eval) {"));
+  Expect.isTrue(generated.contains(r"function(eval, $$eval) {"));
 
   generated = compile(PARAMETER_AND_TEMP, entry: 'bar');
   Expect.isTrue(generated.contains(r"print(t00)"));
   // Check that the second 't0' got another name.
   Expect.isTrue(generated.contains(r"print(t01)"));
 
   generated = compile(MULTIPLE_PHIS_ONE_LOCAL, entry: 'foo');
   Expect.isTrue(generated.contains("var a;"));
   // Check that there is only one var declaration.
   checkNumberOfMatches(new RegExp("var").allMatches(generated).iterator, 1);
 
   generated = compile(NO_LOCAL, entry: 'foo');
   Expect.isFalse(generated.contains('var'));
 
   generated = compile(PARAMETER_INIT, entry: 'foo');
   Expect.isTrue(generated.contains('var result = test === true ? 42 : start'));
   // Check that there is only one var declaration.
   checkNumberOfMatches(new RegExp("var").allMatches(generated).iterator, 1);
 }