Add list literals in js cps codegen.

tests/compiler/dart2js/js_backend_cps_ir_literals.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.
+
+// Tests of literals.
+
+library literals_tests;
+
+import 'js_backend_cps_ir_test.dart';
+
+const List<TestEntry> tests = const [
+  const TestEntry("""
+main() {
+  print([]);
+  print([1]);
+  print([1, 2]);
+  print([1, [1, 2]]);
+}
+""",
+"""
+function() {
+  P.print([]);
+  P.print([1]);
+  P.print([1, 2]);
+  P.print([1, [1, 2]]);
+  return null;
+}"""),
+];