Remove insertRange.

Review URL: https://codereview.chromium.org//13956006

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart/pkg/yaml@21464 260f80e4-7a28-3924-810f-c04153c831b5
3 files changed
tree: 727fbf461b753193b63a32108780564a412feae0
  1. pkgs/