Add renames in output when using the mirror helper library.

sdk/lib/_internal/lib/mirror_helper.dart

Index: sdk/lib/_internal/lib/mirror_helper.dart
diff --git a/sdk/lib/_internal/lib/mirror_helper.dart b/sdk/lib/_internal/lib/mirror_helper.dart
new file mode 100644
index 0000000000000000000000000000000000000000..5136b30c7f97442c61ab36fde516f6d70c0c8a1b
--- /dev/null
+++ b/sdk/lib/_internal/lib/mirror_helper.dart
@@ -0,0 +1,19 @@
+// Copyright (c) 2013, 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.
+

[ahe, 2013/08/19 15:34:06]

Document this library.

[zarah, 2013/08/20 14:08:17]

Done.

+library _mirror_helper;
+
+import 'dart:mirrors';
+
+/// The compiler will replace this variable with a map containing all the
+/// renames made in dart2dart.
+const Map _SYMBOLS = null;

[ahe, 2013/08/19 15:34:06]

Add empty line here.

[zarah, 2013/08/20 14:08:17]

Done.

+String helperGetName(Symbol sym) {

[ahe, 2013/08/19 15:34:06]

Please document this method. In particular that it is called from generated Dart
code.

[zarah, 2013/08/20 14:08:17]

Done.

+  var name = MirrorSystem.getName(sym);
+  if (_SYMBOLS.containsKey(name)) {
+    return _SYMBOLS[name];
+  } else {
+    return name;
+  }
+}