Fix the StringScanner tests under dart2js.

R=kevmoo@google.com

Review URL: https://codereview.chromium.org//222613006

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart/pkg/string_scanner@34677 260f80e4-7a28-3924-810f-c04153c831b5
1 file changed
tree: fe932a8830ca73425abe03564c4c5a4f532bf200
  1. pkgs/