File watching package.

BUG=
R=nweiz@google.com

Review URL: https://codereview.chromium.org//18612013

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart/pkg/watcher@24971 260f80e4-7a28-3924-810f-c04153c831b5
9 files changed
tree: c1fba136dd1233edb55d4308d5b5c1ca3f780deb
  1. pkgs/